Io and Europa
This image of the crescents of volcanic Io and more sedate Europa was snapped by New Horizons’ color Multispectral Visual Imaging Camera (MVIC) on March 2, 2007, about two days after New Horizons made its closest approach to Jupiter.
Flash spotted on Jupiter: Is it a hit?
Astronomers are abuzz over sightings of a flash on Jupiter — which suggests that the giant planet has taken another bullet for the solar system team.
Today’s report follows similar sightings of impacts in 2009 and 2010. As in those earlier cases, the call has gone out to look for any visible scars on Jupiter’s cloud tops. That would be a sure sign that an asteroid or comet was drawn in by the planet’s gravitational pull, potentially saving us from a cosmic collision threat.
“It’s kind of a scary proposition to see how often Jupiter gets hit,” said George Hall, an amateur astronomer from Dallas who captured the flash on video this morning.
That explosion is about the size of Earth. Daaaayum.
Pretty much everyone can rattle off the names of our solar system’s eight (formerly nine) planets, but ask the average person to list some moons and you’ll be lucky if they can tell you more than two or three.
Now, you obviously can’t expect people to remember the name of every single satellite in the solar system (after all, they outnumber the planets by around 20 to 1), but if you have even the slightest interest in astronomy, it wouldn’t kill you to be familiar with at least an even ten. So with that in mind, we’ve assembled this reference guide to ten of the solar system’s most noteworthy moons.
I want to visit each one
Jupiter’s Two Largest Storms Nearly Collide
Credit & Copyright: Travis Rector (U. Alaska), Chad Trujillo (Caltech) et al., Gemini Obs., AURA, NSF
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