AfterWorld Survival Forum

The European Space Agency’s Planck mission
http://www.slate.com/blogs/bad_astronomy/2013/03/21/age_of_the_universe_planck_results_show_universe_is_13_82_billion_years.html
 
what they found is pretty amazing:
 

• The Universe is 13.82 billion years old.
• The Universe is expanding a bit slower than we expected.
• The Universe is 4.9 percent normal matter, 26.8 percent dark matter, and 68.3 percent dark energy.
• The Universe is lopsided. Just a bit, just a hint, but that has profound implications.

Dark matter is a substance we know exists, but it’s invisible. We see its effects through its gravity, which profoundly alters how galaxies rotate and clusters of galaxies behave. There’s more than five times as much of it as there is normal matter.