The Sagan Series (Pt 1)- NASA The Frontier is Everywhere-
The Sagan Series (Pt 2)- Life Looks for Life-
Also Our Solar System maybe back up to nine planets thanks to Tyche.
Showing posts with label Carl Sagan. Show all posts
Showing posts with label Carl Sagan. Show all posts
Wednesday, February 16, 2011
Wednesday, July 22, 2009
Food for Thought
If our solar system was reduce in size to a CD the Milky Way Galaxy would be the size of the Earth.
No worries though, if we achieve spaceflight within a few decimal points of the speed of light we could circumnavigate the known Universe in 56 years. Unfortunately, when we return home the Sun will be a white dwarf and our Earth a small cindered rock 10s of billions of years in the future.
The famous picture of the Pale Blue Dot (above) is exquisitely commented on by Carl Sagan.
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