Space/Astronomy

Recent Answers

2012-02-21 Space Exploration - Universe on a TV!:

Hi!  The screen would show several hundred black bubbles outlined by faint grey lines.  These are lines where matter mainly exists.  The universe seems to be bubbles of empty space encircled by lines of

2012-02-20 Space Exploration - Universe on a TV!:

Hi, Raja, thanks for writing.  What the universe looks like depends on its viewpoint and the length of exposure.  Centered on earth, a wide angle exposure would show stars (in a short time exposure), our

2012-02-20 Space Exploration - Space Travel research:

Many countries and hundreds of scientists are working on systems, materials and techniques for lunar and interplanetary travel right now, specially China, India, Japan, the EU and the USA.  Best is to

2012-02-15 Astronomy - expansion:

Well, the problem with time dilation (extending one hour to say, one month) is that neither observer... the one experiencing the effect on, say a craft up near lightspeed, AND the outside observer standing

2012-02-14 Astronomy - expansion:

Yes, well with the very low density of the Universe now (compared to say one second after the Big Bang), time passage is about as fast as it can go (pass) now, in today's Universe... kind of like the absolute