InEurope wrote: Hi I have two question 1. The CMB (Cosmic Microwave Background Radiation) Scientist say that it isotropic through out our universe ,...

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. ...

We are witnessing in real time the fact that stellar atmospheric dynamics are much more complex than anyone admits to. The observed eleven year solar cycle is...

Hi guys! I would like to inform you that we recently created a website about the transit of Venus : www.venus2004.org. This website is a part of...

In the atmosphere? In space? Piloted? Unpiloted? Sustaned speed? Small object (atom smashers don't count!) Hey, I wonder about these things :) I know the...

I would like to know why we don't travel to Mars by first lifting many loads of fuel to the space station. The actual spaceship would be assembled in space,...

I was just wondering about this. I remember checking the daily updates with my office mates about the two rovers on Mars. We were really disappointed by the...

I already posted a question about heat asking how heat travels through a vacuum, but everybody assumed I was talking about starlight and I therefore got a...

I would've posted this question in the chemistry newsgroup but the people in there seem like idiots and I fear it would never get answered. Heat is defined as...

NASA states that nothing will happen to our Solar system. The collision will commence after 2 billion years. By that time, Sun would have turned into a red...

Since Christmas Day, British mission controllers have listened in vain for a signal from their Beagle 2 Mars lander. A number of questions follows from...

New Worlds Imager is the best way to find small extrsolar planets: http://en.wikipedia.org/wiki/New_Worlds_Imager

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

What term "parallel universes" really mean?

I've visited the JPL rover page, and seen the press releases, but I am hoping to find more information. I know that NASA TV will broadcast an occasional...

Please excuse this naive query: How is it possible to know that we have not just deposited some "earth DNA" on Titan, via a single (or multiple) viral or...

Solar System and Beyond /////////////////////////////////////////// NASAs Fermi Traces Source of Cosmic Neutrino to Monster Black Hole Posted: 12 Jul 2018...

Hi what it says that the temperature when bigbang happened was 100 million trillion trillion degrees , but the temperature is caused my random movements...

Hypothetically speaking, if the universe were (and always was) expanding at the speed of light how big would it be right now given that it is approximately 14...

Now more than 2000 links about space missions, space exploration, space agencies, rockets, spacecrafts, launch facilities, astronomy, aerospace companies,...