NASA astronomy pictures of the day – 13

Cassiopeia A Light Echoes in Infrared

1. Cassiopeia A Light Echoes in Infrared

Riverbeds and lakebeds discovered on Saturn’s Titan: methane rain, evaporating lakes, flowing rivers, and water ice-volcanoes are all likely exist on Titan.

2. Riverbeds and Lakebeds Discovered on Saturn’s Titan. Methane rain, evaporating lakes, flowing rivers, and water ice-volcanoes are all likely to exist on Titan.

HD 188753: Triple Sunset

3. HD 188753: Triple Sunset

Supernova Remnant E0102-72

4. Supernova Remnant E0102-72

The Butterfly Nebula from Hubble

5. The Butterfly Nebula from Hubble

Rosetta’s Selfie

6. Rosetta’s Selfie

Unusual Rocks near Pahrump Hills on Mars

7. Unusual Rocks near Pahrump Hills on Mars

Two Black Holes Dancing in 3C 75. Particle jets are moving at 1200 kilometres per second.

8. Two Black Holes Dancing in 3C 75. Particle jets are moving at 1200 kilometres per second.

Supernova Remnant Puppis A

9. Supernova Remnant Puppis A

Laniakea (Hawaiian for ‘immense heaven’): Our Home Supercluster of Galaxies. Laniakea, spanning 500 million light years and containing about 100,000 times the mass of our Milky Way, is outlined in orange in this computer-generated visualisation. Each white dot is a galaxy. The blue dot signifies our location. White lines indicate motion towards the supercluster centre.

10. Laniakea (Hawaiian for ‘immense heaven’): Our Home Supercluster of Galaxies. Laniakea, spanning 500 million light years and containing about 100,000 times the mass of our Milky Way, is outlined in orange in this computer-generated visualisation. Each white dot is a galaxy. The blue dot signifies our location. White lines indicate motion towards the supercluster centre.

red-star

Images can be enlarged to varying degrees

Image sources and information: 1./2./3./4./5./6./7./8./9./10.

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