moons

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MarsMars
+7+7
See Venus and Jupiter tonight! Plus: Phobos isn’t hollow. Shocker.
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See Venus and Jupiter tonight! Plus: Phobos isn’t hollow. Shocker.

The two brightest planets are close together after sunset. And, the tiny moon of Mars is not artificial. Probably.

Philip Plait
Philip Plait
exoplanetsexoplanets
+6+6
A new mini-moon for Earth next year, two moon-sized exoworlds collided
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A new mini-moon for Earth next year, two moon-sized exoworlds collided

We get a second moon, kinda, for a week in 2027. Also, a cosmic train wreck around another star

Philip Plait
Philip Plait
solar systemsolar system
+6+6
How much ice is there really on the moon?
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How much ice is there really on the moon?

New observations imply there’s less than we thought

Philip Plait
Philip Plait
exoplanetsexoplanets
+6+6
How big are the liquid methane waves on Titan? And another Voyager 1 instrument turned off

How big are the liquid methane waves on Titan? And another Voyager 1 instrument turned off

Very cool research shows just how gnarly surfing is on other worlds, and a venerable spacecraft is losing power rapidly

Philip Plait
Philip Plait
asteroidsasteroids
+2+2
Way too much DART news

Way too much DART news

The NASA spacecraft hit the moon Dimorphos, but that yanked the whole system hard enough to measure. Also, the plume was modeled in 3D, and the bigger asteroid is spitting rocks at its moon. So yeah, a lot.

Philip Plait
Philip Plait
solar systemsolar system
+4+4
Europa’s ice is pretty thick

Europa’s ice is pretty thick

Also: a barred spiral galaxy more distant than expected

Philip Plait
Philip Plait
MarsMars
+4+4
A Red Planet Holiday

A Red Planet Holiday

A mind-blowing image of Mars taken from above the planet itself

Philip Plait
Philip Plait