Dear All, Cambridge University Press is pleased to announce the forthcoming publication of a new book in the Cambridge Planetary Science series. 'Jupiter'...

Hello, Is it not contradictory for cosmologists to state that Star Trek is rubbish because you cannot hear expolsions in a vaccum and then say that space is...

udit wrote: i have another question suppose a hot air ballon is made still in mid air. then the earth will rotate under it so will the baloon reach...

Could anybody let me know if it would be possible to hit a tee shot from the surface of the moon (forget about space suits, just imagine it was a normal golf...

A guy was discussing his theory of "gravity" with me today. He believes that it is not a force, but an effect. He believes that what we interpret as gravity is...

I do not know if this is an existing theory, I only came up with it today, so please bear with my ignorance. Consider the moon (since its diameter is so much...

I was hoping to find out if we would encounter more comets and interstellar debris on a hypothetical journey going out from our solar system in the direction...

If you want to see a diagram, you find it he http://www.wakkanet.fi/~fields/ GRAVITY AS FALLING SPACE INTRODUCTION Gravity appears to be really strange,...

Hi I'm hoping you can help with some advice. I'm wanting to buy a spotting scope for a friend getting married. He has a seaside house with a lovely view...

Bjørn Ove Isaksen wrote: It seems the Mars Rover Webpages carries a story http://marsrovers.jpl.nasa.gov/gallery/press/spirit/20040813a.html That...

I know that a launch from the equator to a zero inclination orbit gets all of the advantage of the Earth rotation, but I was wondering if this advantage works...

What's this? A star that emule the behaviour of a solitary wave (a soliton)?

Pictures of Mercurius are dark and pictures of Mars are red . So I asked myself if there is a infrareddisplacement , so pictures of Mercurius have to be taken...

This note is regarding moderation and approval for: sci.space.tech sci.space.science sci.military.moderated Cc'ed to sci.space.policy for informational...

(Mike Miller) writes: For a hypothetical spacecraft (an Earth orbit-to-lunar orbit transfer vehicle) that spends 10 hours accelerating to...

This is the weekly Frequently Asked Question (FAQ) posting for sci.space.tech and sci.space.science . It is crossposted into sci.space.policy to explain...

I'm up on the Space Station and I go out for a nice little space walk. I take along my specially designed hunting rifle and fire a bullet down at the planet. ...

This is the weekly Frequently Asked Question (FAQ) posting for sci.space.tech and sci.space.science . It is crossposted into sci.space.policy to explain...

Why do the rings on Saturn look so perfect ie have perfect looking gaps around them. How does this actually happen or work?????????

What are the orbits taken by Saturn's moons and ice matter in the rings moving around Saturn? Does each particle desribe an elliptic orbit? Is apogee/perigee...