> <Serious>If a vehicle was launched towards Mercury (why we > would want to go there?.......)
It's probably not a very useful planet in the long run, but it's also the planet (other than Pluto, of course) least-visited by space probes. It's only been visited by one probe, Mariner 10, which made three flybys from solar orbit. It only managed to map about half of Mercury, leaving the rest of the surface a blank.
> could the spacecraft float towards the sun, being pulled > by gravity, then be captured by Mercury? Or isn't the pull > that strong, or is it too touch to calculate?</serious>
It takes thrust to slow down a ship, allowing it to fall that way.
> > "It's believed that about the moon will be 80 percent > > composed of Earth material," Foing said.
> Spoken like every assistant graduate teacher I ever had.
> Question: 80%? You mean like rocks and iron and stuff? > What is the remaining 20%, dark and anti-matter? Magic dust?
I'm guessing the remaining 20% came from the Mars-sized planetesimal they think collided with proto-Earth to create the Moon. ______________________________________________________________________ Steve Sloan ......... Huntsville, Alabama =========> [EMAIL PROTECTED] Brin-L list pages .............................. http://www.brin-l.org Chmeee's 3D Objects .................... http://www.sloan3d.com/chmeee 3D and Drawing Galleries .................. http://www.sloansteady.com Software ................ Science Fiction, Science, and Computer Links Science fiction scans ......................... http://www.sloan3d.com
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