A Very Old Space Rock

一顆非常古老的太空岩石


Introduction

Scientists used the James Webb Space Telescope to study a comet called 3I/ATLAS. They wanted to know where it came from and how old it is.

科學家使用詹姆斯·韋伯太空望遠鏡來研究一顆名為 3I/ATLAS 的彗星。他們想知道這顆彗星來自何處以及它的年齡。

Main Body

The telescope looked at the chemicals in the comet. The comet has different chemicals than rocks in our solar system. It formed in a very cold place.

望遠鏡分析了彗星中的化學成分。這顆彗星的化學成分與我們太陽系中的岩石不同。它形成於一個非常寒冷的地方。

Scientists think the comet is very old. It is about 12 billion years old. This means it is older than our sun and our planets.

科學家認為這顆彗星非常古老。它大約有 120 億年歷史。這意味著它比我們的太陽和行星更古老。

Some people thought the comet was a machine from aliens. NASA said this is not true. The comet is just a piece of a very old planet system.

有些人認為這顆彗星是外星人的機器。NASA 表示這並非事實。這顆彗星只是一個非常古老的行星系統中的碎片。

Conclusion

The comet is now leaving our solar system. It helps us learn about the history of space.

這顆彗星現在正離開我們的太陽系。它幫助我們了解太空的歷史。

Vocabulary Learning

🌌 The Power of "Old" vs. "Older"

In this story, we see how to describe age simply.

1. Basic Description

  • The comet is very old.
  • (Something is just old → Use old)

2. Comparing Two Things

  • It is older than our sun.
  • (Something has more years than another thing → Use older than)

Quick Look: Time Words

  • Now \rightarrow At this moment (The comet is now leaving)
  • About \rightarrow Not exact, but close (About 12 billion years)

Easy Sentence Builder [Thing A] + is older than + [Thing B] Example: My phone is older than your phone.

Vocabulary Learning

scientist (n.)
A person who studies science to learn how the world works.
Example:The scientist looks at the stars with a big telescope.
comet (n.)
A piece of ice and rock that moves around the sun in space.
Example:A comet looks like a bright star with a long tail.
chemical (n.)
A substance used in chemistry to see what something is made of.
Example:Water is a chemical made of hydrogen and oxygen.
solar system (n.)
The sun and all the planets that move around it.
Example:Earth is one of the planets in our solar system.
alien (n.)
A living thing from another planet.
Example:Some movies show an alien visiting Earth from Mars.
Practice A2 words in a crossword