Observatory, Mountains, Universe
The awesomeness in this image comes in layers. The closest layer, in the foreground, contains the Peak Terskol […]
NASA
The Sun in X rays from NuSTAR
Why are the regions above sunspots so hot? Sunspots themselves are a bit cooler than the surrounding solar […]
Unusual Light Pillars over Latvia
What’s happening over that town? Close inspection shows these strange columns of light occur over bright lights, and […]
The Winter Shower
Known in the north as a winter meteor shower, the 2014 Geminids rain down on this rugged, frozen […]
Cetus Duo M77 and NGC 1055
At the top right, large spiral galaxy NGC 1055 joins spiral Messier 77 in this sharp cosmic view […]
This Comet Lovejoy
Comet Lovejoy, C/2014 Q2, is framed like a cosmic Christmas tree with starry decorations in this colorful telescopic […]
IC 1795: The Fishhead Nebula
To some, this nebula looks like the head of a fish. However, this colorful cosmic portrait really features […]
The Cliffs of Comet Churyumov Gerasimenko
These high cliffs occur on the surface of a comet. They were discovered to be part of the […]
The Mysterious Methane of Mars
What’s creating methane on Mars? Recent measurements from the robotic Curiosity rover currently rolling across Mars indicate a […]
Tyrrhenian Sea and Solstice Sky
Today the solstice occurs at 23:03 Universal Time, the Sun reaching its southernmost declination in planet Earth’s sky. […]