Eagle Aurora over Norway

2016-10-23 Bj?rn J?rgensen

What's that in the sky? An aurora. A large coronal mass ejection occurred on our Sun five days before this 2012 image was taken, throwing a cloud of fast moving electrons, protons, and ions toward the Earth. Although most of this cloud passed ...

Cerro Tololo Trails

2016-10-22 Babak Tafreshi

rly one moonlit evening car lights left a wandering trail along the road to the Chilean Cerro Tololo Inter-American Observatory. Setting stars left the wandering trails in the sky. The serene view toward the mountainous horizon was captured in a ...

Full Moon in Mountain Shadow

2016-10-21 Greg Chavdarian

On October 15, standing near the summit of Hawaii's Mauna Kea and looking away from a gorgeous sunset produced this magnificent snapshot of a Full Moon rising within the volcanic mountain's shadow. An alignment across the Solar System is captured ...

The Tulip in the Swan

2016-10-20 Martin Pugh

Framing a bright emission region this telescopic view looks out along the plane of our Milky Way Galaxy toward the nebula rich constellation Cygnus the Swan. Popularly called the Tulip Nebula, the glowing cloud of interstellar gas and dust is ...

M45: The Pleiades Star Cluster

2016-10-19 Hermann von Eiff

Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it as dusty as this. Perhaps the most famous star cluster on the sky, the bright stars of the Pleiades can be seen without binoculars even from the heart ...

An Atlas V Rocket Launches OSIRIS-REx

2016-10-17 United Launch Alliance

Have you ever seen a rocket launched into the Solar System? Last month a large Atlas V rocket blasted off from Launch Complex 41 in Florida carrying the ORISIX-REx spacecraft. This robotic spacecraft will attempt to land on Asteroid Bennu and ...

Cylindrical Mountains on Venus

2016-10-16

What could cause a huge cylindrical mountain to rise from the surface of Venus? Such features that occur on Venus are known as coronas. Pictured here in the foreground is 500-kilometer wide Atete Corona found in a region of Venus known as the ...

Gemini Observatory North

2016-10-15 Gemini Observatory

It does look like a flying saucer, but this technologically advanced structure is not here to deliver the wise extraterrestrial from the scifi classic movie The Day the Earth Stood Still. It is here to advance our knowledge of the Universe ...

Herschel's Orion

2016-10-14 ESA/Herschel/PACS/SPIRE

This dramatic image peers within M42, the Orion Nebula, the closest large star-forming region. Using data at infrared wavelengths from the Herschel Space Observatory, the false-color composite explores the natal cosmic cloud a mere 1,500 ...

Galaxies from the Altiplano

2016-10-13 Stéphane Guisard

The central bulge of our Milky Way Galaxy rises over the northern Chilean Atacama altiplano in this postcard from planet Earth. At an altitude of 4500 meters, the strange beauty of the desolate landscape