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Moon Dust Dilemma

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#3583
Fun:*** (2.68)
Difficulty:** (1.2)
Category:Science
Submitted By:bobbrt*****

 

 

 



NASA is on a mission to collect dust from the moon's surface. A team is put together to design an apparatus that an astronaut can use to accomplish this task. One member of the team designs a type of vacuum cleaner which can be used to suck up and collect the dust. He is immediately fired for his incompetence. What was wrong with his plan?





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Comments

Mogmatt16Ava**
Apr 23, 2002

Question: how did there get to be dust on the moon?
Pizzahead
Apr 26, 2002

It's called gravity, and it works without air.
Mogmatt16Ava**
Apr 26, 2002

? how did gravity make dust?
pusandave
Apr 27, 2002

When an astroid hits the surface of the moon it causes a crater and expells soil and dust around the moon. Gravity pulls portions of it back to the surface. Hence, gravity keeps the dust on the surface unless it is disturbed by an outside force.
Mogmatt16Ava**
Apr 29, 2002

Well how did the dust get so far away from the craters? It can't go in clouds.
MrBean
Jun 03, 2002

The top layer of the moon's surface is dust and "loose" bits of rock and dirt from being hit by asteroids so much (other reasons apply as well- volcanic eruptions, tetonic movements, etc...).
If I remember correctly, it's about 20ft deep- but don't quote me on that.
(user deleted)
Oct 14, 2002

If, as quoted in the problem, the guy "designs a type of vacuum cleaner which CAN be used to suck up and collect the dust", then it must work, right? Or else, the question is faulty.



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