Space/Science — HabitableZone

Space/Science » in reply to QSOs aren't ejected from Galaxies...

You can't be 100 percent certain?
SDF — (archived)

It's awfully dark out there.... someone might turn on the lights someday.

http://nssdc.gsfc.nasa.gov/image/planetary/earth/near_earth_moon.jpg

Log in or register to post.

The whole thread (6 posts)