OLM cung cấp gói bải giảng điện tử PPT cho giáo viên đầu năm học

Thi thử và xem hướng dẫn giải chi tiết đề tham khảo 12 môn thi Tốt nghiệp THPT 2025

Tham gia cuộc thi "Nhà giáo sáng tạo" ẫm giải thưởng với tổng giá trị lên đến 10 triệu VNĐ

Mini game 20/11 tri ân thầy cô, nhận thưởng hấp dẫn - Tham gia ngay!

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Tất cả Toán Vật lý Hóa học Sinh học Ngữ văn Tiếng anh Lịch sử Địa lý Tin học Công nghệ Giáo dục công dân Âm nhạc Mỹ thuật Tiếng anh thí điểm Lịch sử và Địa lý Thể dục Khoa học Tự nhiên và xã hội Đạo đức Thủ công Quốc phòng an ninh Tiếng việt Khoa học tự nhiên
Mua vip
LH
Lê Hàa
26 tháng 4 2021
V. Write one word in each gap to complete the following sentences.        Pluto is a dwarf planet. A dwarf planet travels around, or orbits, the sun just like other (1) __________. But it is much smaller. Clyde Tombaugh discovered Pluto in 1930. He was an astronomer (2) _____________ the United States. An astronomer is a scientist who studies stars and other objects in (3) _____________. Venetia Burney named Pluto that same year. She was an 11-year-old girl from England.        Pluto is not (4)...
Đọc tiếp

V. Write one word in each gap to complete the following sentences.

        Pluto is a dwarf planet. A dwarf planet travels around, or orbits, the sun just like other (1) __________. But it is much smaller. Clyde Tombaugh discovered Pluto in 1930. He was an astronomer (2) _____________ the United States. An astronomer is a scientist who studies stars and other objects in (3) _____________. Venetia Burney named Pluto that same year. She was an 11-year-old girl from England.

        Pluto is not (4) _____________ big. It is only half as wide as the United States. Pluto is smaller than Earth's moon. This dwarf planet (5)_____________ 248 Earth years to go around the sun. If you lived on Pluto, you (6) _____________have to wait 248 Earth years to celebrate your first birthday. One day on Pluto is about 6 1/2 days (7) _____________Earth. Pluto is about 40 times farther from the sun than Earth is. Pluto is in am area of space (8) _____________ the Kuiper (KY-per) Belt. Thousands of small, icy objects like Pluto but smaller (9)_____________in the Kuiper Belt.

        This dwarf planet has five moons. Its largest moon is (10) _____________ Charon (KAIR-ən). Charon is about half the size of Pluto. Pluto's four other moons are named Kerberos, Styx, Nix and Hydra.
#Tiếng anh lớp 8
1
DT
Đỗ Thanh Hải
CTVVIP
26 tháng 4 2021

        Pluto is a dwarf planet. A dwarf planet travels around, or orbits, the sun just like other (1) ____planets______. But it is much smaller. Clyde Tombaugh discovered Pluto in 1930. He was an astronomer (2) _______from______ the United States. An astronomer is a scientist who studies stars and other objects in (3) ____space_________. Venetia Burney named Pluto that same year. She was an 11-year-old girl from England.

        Pluto is not (4) _____very________ big. It is only half as wide as the United States. Pluto is smaller than Earth's moon. This dwarf planet (5)______takes_______ 248 Earth years to go around the sun. If you lived on Pluto, you (6) ________would_____have to wait 248 Earth years to celebrate your first birthday. One day on Pluto is about 6 1/2 days (7) ________on_____Earth. Pluto is about 40 times farther from the sun than Earth is. Pluto is in am area of space (8) _______called______ the Kuiper (KY-per) Belt. Thousands of small, icy objects like Pluto but smaller (9)______are_______in the Kuiper Belt.

        This dwarf planet has five moons. Its largest moon is (10) ______named_______ Charon (KAIR-ən). Charon is about half the size of Pluto. Pluto's four other moons are named Kerberos, Styx, Nix and Hydra.

Đúng(2)
ND
Nguyễn Đỗ ánh
11 tháng 12 2017
Read the dialogue and then decide whether the statements that follow are true or false. Write True or False in your answersheet: A planet is a body in space that revolves around a star. There are nine planets in our solar system, and these nine planets travel around the sun. The names of the planets are Mercury, Venus, Earth, Jupiter, Saturn, Uranus, Neptune, and Pluto. Planets travel in orbits around their stars . All of the planets of the solar system revolve in elliptical orbits. In...
Đọc tiếp

Read the dialogue and then decide whether the statements that follow are true or false. Write True or False in your answersheet:

A planet is a body in space that revolves around a star. There are nine planets in our solar system, and these nine planets travel around the sun. The names of the planets are Mercury, Venus, Earth, Jupiter, Saturn, Uranus, Neptune, and Pluto. Planets travel in orbits around their stars . All of the planets of the solar system revolve in elliptical orbits. In other words, their orbits are like large, flat circles. The time that it takes a planet to make one revolution around the sun is called its year. The Greek were the first people to recognize and give names to some of the planets. The word planet comes from a Greek word meaning wanderer. If a person wanders, this means that he goes from one place to another and does not have a home. The Greek thought that the planets “wandered” in the sky. However, modern scientists can predict the movement of the planets very accurately

____ 1/ A planet revolves around the Earth.

____2/ Venus, Mars and Neptune are planets and stars.

____ 3/ The Greek were the first to recognize some of the planets.

____ 4/ The planets in our solar system travel around the sun and in elliptical orbits
#Tiếng anh lớp 9
1
KV
Kook V (I love BTS)
14 tháng 12 2017

__TRUE__ 1/ A planet revolves around the Earth.

__TRUE__2/ Venus, Mars and Neptune are planets and stars.

__TRUE__ 3/ The Greek were the first to recognize some of the planets.

__TRUE__ 4/ The planets in our solar system travel around the sun and in elliptical orbits .

Sao đúng hết vậy ta ( có thể câu 2 là FALSE nhé bạn ) tớ học Anh Văn cũng không tốt lắm đâu . Đúng thì like cho tớ vui vưới nhé !

Đúng(1)
LQ
Lê Quỳnh Anh
15 tháng 12 2017
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50. The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth. By studying other stars, astronomers can predict what the rest of...
Đọc tiếp

Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.

By studying other stars, astronomers can predict what the rest of the Sun’s life will be like. About five billion years from now, the core of the Sun will shrink and become hotter. The surface temperature will fall. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the Sun will expand approximately 35 million miles, about the distance to Mercury, which is the closest planet to the Sun. The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist.

Once the Sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the Earth, it will become a white dwarf star. The Sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.

After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface.

The word “there” in the last sentence of paragraph 4 refers to _______.

A. our own planet                   

B. the core of a black dwarf

C. the outer surface of the Sun          

D. the planet Mercury
#Mẫu giáo
1
DH
Dương Hoàn Anh
15 tháng 12 2017

Đáp án A

“After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface”

trong ngữ cảnh này, phó từ there thay thế cho “the Earth” ở câu trước và đó chính là hành tinh của chúng ta “our own planet”

Đúng(0)
LQ
Lê Quỳnh Anh
4 tháng 7 2017
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.     The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.     By studying other stars, astronomers can predict what the...
Đọc tiếp

Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

    The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.

    By studying other stars, astronomers can predict what the rest of the Sun’s life will be like. About five billion years from now, the core of the Sun will shrink and become hotter. The surface temperature will fall. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the Sun will expand approximately 35 million miles, about the distance to Mercury, which is the closest planet to the Sun. The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist.

    Once the Sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the Earth, it will become a white dwarf star. The Sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.

    After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface.

The word “there” in the last sentence of paragraph 4 refers to.

A. our own planet

B. the core of a black dwarf 

C. the outer surface of the Sun

D. the planet Mercury
#Mẫu giáo
1
DH
Dương Hoàn Anh
4 tháng 7 2017

Đáp án A

“After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface”

trong ngữ cảnh này, phó từ there thay thế cho “the Earth” ở câu trước và đó chính là hành tinh của chúng ta “our own planet”Đáp án A

“After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface”

trong ngữ cảnh này, phó từ there thay thế cho “the Earth” ở câu trước và đó chính là hành tinh của chúng ta “our own planet”

Đúng(0)
LQ
Lê Quỳnh Anh
31 tháng 3 2019
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50. The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth. By studying other stars, astronomers can predict what the rest of...
Đọc tiếp

Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.

By studying other stars, astronomers can predict what the rest of the Sun’s life will be like. About five billion years from now, the core of the Sun will shrink and become hotter. The surface temperature will fall. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the Sun will expand approximately 35 million miles, about the distance to Mercury, which is the closest planet to the Sun. The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist.

Once the Sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the Earth, it will become a white dwarf star. The Sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.

After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface.

The Sun will become a black dwarf when .

A. the outer regions of the Sun expand       

B. it has used up all its fuel as a white dwarf

C. the Sun moves nearer to the Earth          

D. the core of the Sun becomes hotter
#Mẫu giáo
1
DH
Dương Hoàn Anh
31 tháng 3 2019

Đáp án B
“After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf”

Đúng(0)
LQ
Lê Quỳnh Anh
1 tháng 2 2017
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50. The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth. By studying other stars, astronomers can predict what the rest of...
Đọc tiếp

Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.

By studying other stars, astronomers can predict what the rest of the Sun’s life will be like. About five billion years from now, the core of the Sun will shrink and become hotter. The surface temperature will fall. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the Sun will expand approximately 35 million miles, about the distance to Mercury, which is the closest planet to the Sun. The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist.

Once the Sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the Earth, it will become a white dwarf star. The Sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.

After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface.

As a white dwarf, the Sun will be _______.

A. a cool and habitable planet

B. the same size as the planet Mercury

C. thousands of times smaller than it is today       

D. around 35 million miles in diameter
#Mẫu giáo
1
DH
Dương Hoàn Anh
1 tháng 2 2017

Đáp án C

”After it shrinks to the size of the Earth, it will become a white dwarf star” và thông tin ở đoạn đầu “The Sun …is thousands of times larger than the Earth.”
Chứng tỏ khi trở thành ngôi sao lùn màu trắng, Mặt trời sẽ nhỏ hơn hàng ngàn lần so với hiện tại

Đúng(0)
LQ
Lê Quỳnh Anh
27 tháng 3 2017
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.     The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.     By studying other stars, astronomers can predict what the...
Đọc tiếp

Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

    The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.

    By studying other stars, astronomers can predict what the rest of the Sun’s life will be like. About five billion years from now, the core of the Sun will shrink and become hotter. The surface temperature will fall. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the Sun will expand approximately 35 million miles, about the distance to Mercury, which is the closest planet to the Sun. The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist.

    Once the Sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the Earth, it will become a white dwarf star. The Sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.

    After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface.

As a white dwarf, the Sun will be ___.

A. a cool and habitable planet

B. the same size as the planet Mercury

C. thousands of times smaller than it is today

D. around 35 million miles in diameter
#Mẫu giáo
1
DH
Dương Hoàn Anh
27 tháng 3 2017

Đáp án C

”After it shrinks to the size of the Earth, it will become a white dwarf star” và thông tin ở đoạn đầu “The Sun …is thousands of times larger than the Earth.”

Chứng tỏ khi trở thành ngôi sao lùn màu trắng, Mặt trời sẽ nhỏ hơn hàng ngàn lần so với hiện tại

Đúng(0)
LQ
Lê Quỳnh Anh
25 tháng 8 2019
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.     The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.     By studying other stars, astronomers can predict what the...
Đọc tiếp

Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

    The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.

    By studying other stars, astronomers can predict what the rest of the Sun’s life will be like. About five billion years from now, the core of the Sun will shrink and become hotter. The surface temperature will fall. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the Sun will expand approximately 35 million miles, about the distance to Mercury, which is the closest planet to the Sun. The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist.

    Once the Sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the Earth, it will become a white dwarf star. The Sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.

    After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface.

The Sun will become a black dwarf when ___.

A. the outer regions of the Sun expand

B. it has used up all its fuel as a white dwarf

C. the Sun moves nearer to the Earth

D. the core of the Sun becomes hotter
#Mẫu giáo
1
DH
Dương Hoàn Anh
25 tháng 8 2019

Đáp án B

“After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf”

Đúng(0)
LQ
Lê Quỳnh Anh
6 tháng 1 2018
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50. The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth. By studying other stars, astronomers can predict what the rest of...
Đọc tiếp

Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.

By studying other stars, astronomers can predict what the rest of the Sun’s life will be like. About five billion years from now, the core of the Sun will shrink and become hotter. The surface temperature will fall. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the Sun will expand approximately 35 million miles, about the distance to Mercury, which is the closest planet to the Sun. The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist.

Once the Sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the Earth, it will become a white dwarf star. The Sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.

After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface.

This passage is intended to _______.

A. describe the changes that the Sun will go through

B. discuss conditions on the Earth in the far future

C. alert people to the dangers posed by the Sun

D. present a theory about red giant stars
#Mẫu giáo
1
DH
Dương Hoàn Anh
6 tháng 1 2018

Đáp án A
Cấu trúc của bài mô tả trạng thái hiện tại của Mặt trời, sau đó nêu lên các dự đoán về các thay đổi của nó trong khoảng thời gian 5 tỉ năm kể từ hiện tại. theo thứ tự mặt trời sẽ từ ngôi sao lùn màu vàng trở thành ngôi sao khổng lồ màu đỏ, rồi thành sao lùn màu trắng và cuối cùng là sao lùn màu đen. Đây chính là những thay đổi mà Mặt trời sẽ trải qua

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LQ
Lê Quỳnh Anh
13 tháng 7 2019
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.     The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.     By studying other stars, astronomers can predict what the...
Đọc tiếp

Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

    The Sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The Sun has existed in its present state for about four billion six hundred million years and is thousands of times larger than the Earth.

    By studying other stars, astronomers can predict what the rest of the Sun’s life will be like. About five billion years from now, the core of the Sun will shrink and become hotter. The surface temperature will fall. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the Sun will expand approximately 35 million miles, about the distance to Mercury, which is the closest planet to the Sun. The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist.

    Once the Sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the Earth, it will become a white dwarf star. The Sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.

    After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the Earth will be dark and cold. If any atmosphere remains there, it will have frozen over the Earth’s surface.

This passage is intended to ___.

A. describe the changes that the Sun will go through

B. discuss conditions on the Earth in the far future

C. alert people to the dangers posed by the Sun

D. present a theory about red giant stars
#Mẫu giáo
1
DH
Dương Hoàn Anh
13 tháng 7 2019

Đáp án A

Cấu trúc của bài mô tả trạng thái hiện tại của Mặt trời, sau đó nêu lên các dự đoán về các thay đổi của nó trong khoảng thời gian 5 tỉ năm kể từ hiện tại. theo thứ tự mặt trời sẽ từ ngôi sao lùn màu vàng trở thành ngôi sao khổng lồ màu đỏ, rồi thành sao lùn màu trắng và cuối cùng là sao lùn màu đen. Đây chính là những thay đổi mà Mặt trời sẽ trải qua

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