Can anyone give me a basic definition of what the "Holographic Principle" is, exactly? S.B.

Power density at the distance of Earth's orbit is about 1.4 kW/M^2. at the distance of Venus's orbit, it is about 2.6 kW/M^2. So it is a little less than...

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...

Hi all, Little question to the meteorites specialists he I just have got a bit of DaG 488, and as I'm complete newbie I wanted to know some more about it....

Every time I see photos of mars there are rocks strewn all over the place as if there were lots of large explosions in relatively recent past. The rocks still...

I still do not have a clear picture of exactly what was lost due to the glitches with the data channel on Huygens. Most reports just barely mention the glitch...

Would it be possible to set up a circular, polar orbit around Mercury such that it always followed Mercury's terminator? Also, could such a "dawn tracking...

if Moon can cause waves in our oceans , then it should also be stealing atmosphere of earth due to attraction

Did large meteor impacts cause volcanoes on the other side Mars? Here's approximate locations for those regions indicating a rough correlation as global...

I'm having great fun at the moment reading through the Cassini raw images from Titan (and being struck dumb by some, I confess), and I noted that they all...

I've been trying to find some gallery shots, schematics, anything really, on spacesuit designs in the internet. I've found words and text, replicas for sale,...

Hello folks, and thanks for taking time to answer my question. I would just love to have some really high resolution pictures of mars taken latly by spitit...

aloah! i've been googling for this now since 3 hours... maybe here somebody can help me... i need a table of positions and velocity vectors of the planets of...

I was looking at the large Spirit panorama of the Bonneville...

http://marsrovers.jpl.nasa.gov/gallery/all/2/m/065/2M132132493EFF1500P2958M2M1.HTML

From: Coos Haak Fe++ and Fe+++ are the only stable forms of iron in aqueous solution. Iron metal is definitily not. I'm confused. I...

Spring in Blighty brings the sun up just as I'm walking across Clifton Down every morning. At this time the sun is a huge orange disc in the sky. Is it safe to...

"Maarten" writes: After browsing the internet for some time, I still haven't found an answer to the following question. As a...

in the upper right of this picture? http://photojournal.jpl.nasa.gov/catalog/PIA05987 It was from this...

Hi, If our magnetic field protects our atmosphere from being blown away by solar winds then how come venus can maintain an atmosphere 90x the pressure of...