Comet Deliveries May Have Been Rare on Early Earth
Researchers modelled what could happen to a chemical during comet impacts.
Loading your learning…
Beginner support · Translation help
Read with help in your language
Choose a language to see each paragraph translated below the English. Tap highlighted words for a quick meaning.
that for the to . A by that have .
The the of and on , a in that for . The that of it to have been .
The do not a was or that they have the of . Their in on 28.
Source: University of Cambridge, via Brightsurf, 2026-10-28.
Read · Think · Practise
Try this story
Try 2 questions about this story, then explain one idea in your own words. Check the text whenever you need to.
Your turn
How did the model change the researchers’ view of comet delivery, and what does it leave uncertain?
See one possible answer
The model suggested that enough hydrogen cyanide would rarely survive delivery to Earth’s surface. A delivery is not ruled out, and the study does not solve the origin of life.
Your answer can be different. Give a reason and use your own words.
0 of 2 questions checked.
Tell us what helped or felt difficult
Which reading level did you try? Was a sentence unclear? Did the questions help you understand the story?
Send feedback by email