Satellites, télescopes, images

The two-faced Whirlpool Galaxy

Three ways to grow a black hole

The southern sky with the Dorado constellation (ground-based image)

Three moons and their shadows parade across Jupiter — end of event

The two mysterious populations of NGC 2419

The whirling disc of NGC 4526

Three Red Spots Mix It Up on Jupiter

The star city that never sleeps

The smoking gun of a newborn star

The sky in Google Earth