Hazy days

Changes visible in the haze - Titan, from Cassini

Electricity

High voltage activity - x-ray aurora on Jupiter from Chandra

Our Twin

A spiral galaxy resembling our own - NGC 7331 in infrared, from Spitzer

Movement

A dance of destruction - Seyfert's sextet, from Hubble

New Territory

No longer unknown - Titan, from Cassini

Farside

Can't see it from here - the lunar farside, from Apollo 11

Enough?

Never! - Saturn,from Cassini

Clarity

Tectonics, volcanism, craters - Claritas Fossae, from Mars Express

Countless

Lots of stars - globular cluster M13, by Eddie Guscott

Power

I tell my TA to take pretty images of galaxies, and he does it! - NGC 3198, by Jason Cook

Dust bunnies!

Dust just gets everywhere - NGC 1316, from Hubble

Interaction

Beautiful and strange, a ring around a galaxy - NGC 4650A, from Hubble

Not the center

This is how we knew Earth wasn't the center of the universe - Jupiter and its four largest moons

South Pole

A webcam from one of the most intriguing places on Earth - the Amundsen-Scott South Pole Station

Never Enough

This planetary nebula is so spectacular, I never get tired of looking at it - NGC 2392, from Hubble

This is why

People inclined to believe in conspiracies ask, "With Hubble, shouldn't there be images of the flag left on the Moon?" The answer is, "No." - the Moon, from Hubble

Edges

A tiny world seen in the ring-plane - Saturn's rings and moon Janus, from Cassini

The Hat

On edge - the Sombrero galaxy, from Hubble

View from Work

And my office doesn't even have a window - astronauts Grunsfeld and Linnehan with Hubble, from Columbia

Sunset

Perspective on a different world - mountains on Io at sunset, from Galileo