History of supernova observation

High school (ages 12+)
Space & Astronomy

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/history-of-supernova-observation

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the first documented observation?185 AD by Chinese astronomers, recorded as a 'guest star'
2. What is the nucleosynthesis role?Supernovas are the primary cosmic factories for elements heavier than iron
3. What is a supernova?A supernova is a huge explosion that happens when a star dies. It lights up brighter than many stars and can even be seen during the day. The explosion spreads new elements like gold and platinum into space.
4. When did people first see a supernova?The earliest recorded supernova was seen by Chinese astronomers in 185 AD. They called it a "guest star" because it appeared suddenly in the sky.

Aristotelian Cosmology: Ancient Greek model of a perfect, unchanging celestial sphere with Earth at its center.
Standard Candle: An astronomical object with a known intrinsic brightness used to measure cosmic distances.
Dark Energy: A mysterious force believed to be causing the accelerated expansion of the universe.