Cosmic Calendar

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/cosmic-calendar

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 total cosmic age?13.787 billion years
2. What is the calendar mapping?The universe's entire history is mapped onto a single Earth year
3. What is the Cosmic Calendar and why is it useful?The Cosmic Calendar is a way to fit the universe's 13.787 billion years into one Earth year. It helps us see how long different events took in a picture we can understand.
4. When did the Big Bang happen on the Cosmic Calendar?The Big Bang is shown at the very start of January 1st, at midnight. That is the beginning of the whole year.

Cosmological Chronology: The study and ordering of events in the history of the universe.
Analogical Reasoning: Using a comparison between two things to explain or understand one of them.
Epoch: A distinct period of time in history or a person's life, often marked by particular events or characteristics.