Satellites, télescopes, images

Three steps to the Hubble constant

The young stars of Taurus

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

The whirlpool galaxy

The swan and the butterfly

The third way of galaxies

The whirling disc of NGC 4526

The squid and the whale

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

The stars of the Large Magellanic Cloud