Is anyone aware of there being electrons detected moving towards the Sun, from any source? The Solar Wind contains electrons (and protons) moving away from...

If at some future time evidence of biological presence on Mars is ever discovered (e.g. bacteria), how will scientists be sure it's not just contamination from...

How the Mars "blueberries" formed: The Martian surface was wet. Lots of muddy flats. Impacts on the flats. Mud, "atomized" and sprayed high in the cold,...

Isn't spiral galaxy like M74 http://antwrp.gsfc.nasa.gov/apod/ap050330.html is well enough proof what gravity probe B is trying to prove, that earth rotation...

Have panoramas been done and released, or have I missed them somehow? "Spirit's focus on sols 408 through 412 was the spectacular panorama from Larry's...

Down about half way at http://www.jerrypournelle.com/mail/mail359.html#Monday one Alan Questell suggested: Subject: Mission to Hubble Solution This solution...

Hello world, I have a question on what causes the friction of a fluid like water or air upon a surface while it is moving? I understand basic some things...

When our dear sun will die it will flare up in red gint frying till earth maybe mars, after that it will end up in white dwarf, is this mean that gravity of...

NASA ANNOUNCES MEDIA TELECONFERENCE FOR SPITZER DISCOVERY Astronomers will announce a significant discovery from NASA's Spitzer Space Telescope at...

A method to recover the colour's information from the pancam images (Nasa rovers) and to merge the hues of these images to the rovers' microscopic images...

WHAT: Partial eclipse of the Sun. Free telescope viewing and eclipse glasses for students (while supplies last). WHEN: Friday evening, April 8, 2005 5:15...

Can anyone suggest why the (probable) frozen sea on Mars recently reported by ESA's Mars Express orbiter wasn't spotted earlier by Mars Global Surveyor? Also...

Just seen some pictures of Hubble, and The "Very Large Telescope" (original name) in Chile. It made me think. With a reasonable space based industry, moon...

Sunshine on Titan has to be 1/100 of that we have on Earth, because Titan is 10 time farer than us from the Sun. So, the Huyghen after landing get on a light...

Dumb question: If one were in circular LEO and crazy enough to want a 90-degree change of inclination, what's the cost in delta-v? Is it, as intuition is...

Dumb question: If one were in circular LEO and crazy enough to want a 90-degree change of inclination, what's the cost in delta-v? Is it, as intuition is...

MEDIA RELATIONS OFFICE JET PROPULSION LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PASADENA, CALIF. 91109...

I realize that all spacecraft require some degree of radiation hardening, but within reasonable limits, what are the altitude ranges that might be recommended...

I was reading somewhere that a company has patented a new battery technology that can hold 100 times more power per gram than current batteries do and it can...

Hi All: Last year I photographed the Delta II rocket/Gravity Probe B launch from Vandenberg AFB. The negatives were recently scanned and I have posted some of...