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why we use pen in space and pencil why not?

why we use pen in space and pencil why not?

Grade:12th pass

1 Answers

Shobhit Varshney IIT Roorkee
askIITians Faculty 33 Points
7 years ago
Dear student,

If the lead is broken while writing, It can move freely int the spaceship or any pencil lead dust or fragment broken off in the zero gravity could be inhaled by the astronaut or get into the instruments inside the capsule before they could be filtered out.

Thanks.

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