Storiascopio · Era 1 of 12 · primary year 3
The first stars
about 13.5 billion years ago · The young Universe
In short
After the first few hundred million years, enormous clouds of hydrogen and helium collapsed under gravity. In their cores the first stars lit up, probably very massive and short-lived. It was these stars that made and scattered many of the elements heavier than helium.
Why it matters Without the first stars, the elements needed for planets and living things would never have formed.
Source: NASA, “Early Universe” (Webb Space Telescope)
Where we are in the era “The Earth before us”
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about 13.8 billion years agoEvent 2 of 25about 66 million years ago
Your turn
Name ______________________ Class ______ Date __________
When did it happen? Find the date at the top and write it here:
Tell it in your own words: what happened?
Draw the scene below.
storiascopio.com/en/event/the-first-stars/ · free worksheet, you may photocopy it for your class