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Level A1 – BeginnerCEFR A1
2 min
69 words
- There is a black hole in many galaxies.
- A black hole pulls on a nearby star.
- The star stretches and breaks into many parts.
- The parts move around the black hole.
- Some parts hit each other and make bright light.
- The bright light can outshine the whole galaxy.
- Scientists use very large computers to model this.
- Better simulations show how the parts move.
- This helps explain different light signals.
Difficult words
- black hole — a space object with very strong gravity
- galaxy — a very large group of starsgalaxies
- stretch — to make longer or pull apartstretches
- simulation — a computer test that shows eventssimulations
- model — to make a simple copy on a computer
- outshine — to be brighter than something else
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you seen a picture of a galaxy?
- Would you like to learn about black holes?
- Do you use a computer to study?
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