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Level A1 – BeginnerCEFR A1
2 min
68 words
- Astronomers see very large black holes in the early universe.
- These black holes appear soon after the Big Bang.
- Scientists do not know how they grew so fast.
- A research idea looks at dark matter.
- Dark matter can slowly decay and give small energy.
- That small energy can change gas chemistry.
- Some gas clouds can then collapse into black holes.
- Collapsed clouds make black holes instead of stars.
Difficult words
- black hole — a space object with very strong gravityblack holes
- dark matter — invisible substance in space with mass
- collapse — fall inward to a smaller shape or size
- energy — power that can make things move or change
- chemistry — study of substances and how they change
- universe — all space, stars, planets and galaxies
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Do you find space interesting?
- Would you like to learn about black holes?
- Have you heard of the Big Bang?
