How Perseverance Is Testing Spacesuit Materials Against Martian Dust
In the app: the whole story at your level, listening, the quiz and the word cards.
The same story at six levels
How the first sentence reads at every level, from A1 to C2.
- A1
NASA's Perseverance studied dust on spacesuit materials.
- A2
NASA's Perseverance machine studied dust on spacesuit materials.
- B1
NASA's Perseverance rover carries spacesuit material samples.
- B2
Over 1,645 Martian days, NASA's Perseverance rover measured fine and ultrafine dust clinging to spacesuit material samples it carries.
- C1
During the Apollo missions, sharp lunar dust scratched visors, wore down suit layers and seals, and caused hay fever-like symptoms.
- C2
During the Apollo missions, lunar dust proved a relentless nuisance, scratching visors, wearing down suit layers and seals, and leaving astronauts with hay fever-like symptoms.
Key words
Words from the B1 text, with their meaning.
- sample
- A small amount of something that shows you what the rest is like
- publish
- To print information in a book, newspaper or journal so people can read it
- ancient
- From a very long time ago
- measurement
- The size, length or amount of something found by measuring it
- scan
- To use a machine or light to examine what is inside or on something
- average
- To reach a typical or usual amount
Rewritten with AI from facts reported by NASA. Read the original for the full report.