Friday, February 17th, 2012

Astronomy questions from kids, Part 2

Published on March 1, 2011 by   ·   14 Comments

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Readers Comments (14)

  1. mousaey says:

    @postman666andrei if you hit the ball at the moon’s escape velocity it will

  2. postman666andrei says:

    but even if you hit the ball lightly on the moon towards the earth, wouldn’t it eventually hit the earth…even if it takes a while?

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  6. supersonic71097 says:

    Are these evolutionary thoughts? 0.o

  7. fertilizerspike says:

    This idea that a planet “smashed into” Uranus and “tilted” it is idiotic in the extreme. Neptune and Uranus are not balls of gas. Gases do not self-compress. Uranus and Neptune are massive rocky bodies. We don’t know how thick their atmospheres are.

    Comets are not “chunks of ice”. All images of comets show they are rock. The “deep impact” mission verified the electrical nature of comets. The “impact” didn’t cause any crater, an electrical flash preceding the impact did.

  8. fertilizerspike says:

    Jupiter does have a “surface”, it is a massive rocky planet with a dense, opaque atmosphere. Gases do not self-compress, so Jupiter can not be a ball of gas. It is a solid body.

    Bodies in space are not spherical due to “gravity”. We’ve discovered many objects “too small” (by astronogers’ reckoning) to be spherical that are spherical. “Gravity” has nothing to do with it. These bodies are electrically ejected from larger bodies, which explains why they are spherical.

  9. bloodanddirt says:

    Very commendable.

  10. ClinicalAttacked says:

    The gravity on Mars is one third that of earth’s

  11. zoeycanobe671 says:

    do you also know about quantum physics or do u only know astronomy?

  12. latuman says:

    Informative, simple, to the point and FUN.

    This is how it should be done for kids…

    …And for me.

  13. candlehawk says:

    Wait… 20-40 T (averaging 30T) per day? That’s 10950 T per year!

  14. caste2510 says:

    a boy in germany got hit by a pea-sized meteor when he was on his way to school. what a coincidence huh! lol




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