Snapshots from Space
by Emily Lakdawalla
Follow the thrilling adventures of planetary missions, past and present, and see the stunningly beautiful photos that they return from space!
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Here it is: the view from Saturn of our Earthly home, one and a half billion kilometers away. We see Earth and the Moon through a thin veil of faintly blue ice crystals, the outskirts of Saturn's E ring. Earth is just a bright dot -- a bit brighter than the other stars in the image, but no brighter than any planet (like Saturn!) in our own sky.
Posted by Emily Lakdawalla on 2013/07/19 12:30 CDT
If you take hundreds of photos of every single spacecraft launch you can get to, you will eventually get lucky shots like this one. It was taken by Ben Cooper at today's launch of the U.S. Navy satellite MUOS-2 and features a very surprised turkey vulture in a striking pose in front of the American flag.
The International Association of Geomorphologists' "planetary geomorphology image of the month," contributed by Joe Levy, features water tracks on Earth and compares them to recurring slope lineae on Mars.
Pluto's moons, formerly known as "P4" and "P5," are now named Kerberos and Styx; I thought I'd help place them into context with a little help from Cassini. Also, Neptune now has a 14th known moon.
A few presentation slides with pretty pictures, sized to scale, of the large moons of the solar system.
It had never occurred to me to think about geostationary satellites in Mars orbit before reading a new paper by Juan Silva and Pilar Romero. The paper shows that it takes a lot more work to maintain a stationary orbit at an arbitrary longitude at Mars than it does at Earth.