We Live in an Age of Wonders



Randall Munroe of xkcd demonstrates to us how greatly our knowledge of the cosmos has expanded just recently. Here's his scaled representation of all 786 known planets, most of which were unknown a few years ago. He reminds us of something that we could easily forget: "This is an exciting time."

View the full-size image at the link.

Link -via Geekosystem

Newest 2
Newest 2 Comments

Based on the IAU definition of planet there are 8 planets in our solar system. If you look at the xkcd pic there are eight planets inside the box labeled "our solar system". One is very small, mercury.

There are also about 5 additional confirmed dwarf planet in out solar system:
Ceres
Pluto
Haumea
Makemake
Eris

And numerous other dwarf planets that have been spotted and are almost confirmed:
Orcus – discovered on February 17, 2004.
Quaoar – discovered on June 5, 2002.
2007 OR10 – discovered on July 17, 2007.
Sedna - discovered on November 14, 2003.

Plus dozens more dimmer ones that have been spotted and are being vetted by the astronomical community.
Abusive comment hidden. (Show it anyway.)
Commenting is closed.





Check out Twaggies' very funny clip:

Om Nom - Twaggies by Twaggies
Email This Post to a Friend
"We Live in an Age of Wonders"

Separate multiple emails with a comma. Limit 5.

 

Success! Your email has been sent!

close window