View Single Post
Old 12-23-2012, 08:16 PM   #41
SoBad's Avatar
Join Date: Aug 2006
Location: shiran
Posts: 7,451

What concerns me about black holes (both inter and intragalactic) is that they are difficult to see at night or when the sky is cloudy. It's like you never get a chance to prepare.
i don't remember
SoBad is offline   Reply With Quote