In Green Company: Aurora over Norway
Raise your arms if you see an aurora. With those instructions, two nights went by with, well, clouds […]
Astronomy
Martian Moon Phobos from Mars Express
Why is Phobos so dark? Phobos, the largest and innermost of two Martian moons, is the darkest moon […]
The Hercules Cluster of Galaxies
These are galaxies of the Hercules Cluster, an archipelago of island universes a mere 500 million light-years away. […]
Moon over ISS
Completing one orbit of our fair planet in 90 minutes the International Space Station can easily be spotted […]
North of Orion s Belt
Bright stars, interstellar clouds of dust and glowing nebulae fill this cosmic scene, a skyscape just north of […]
Fifty Gravitational Wave Events Illustrated
Over fifty gravitational wave events have now been detected. These events mark the distant, violent collisions of two […]
Tagging Bennu: The Movie
This is what it looks like to punch an asteroid. Last month, NASA‘s robotic spacecraft OSIRIS-REx descended toward, […]
Half Sun with Prominence
What’s happening to the Sun? Clearly, the Sun’s lower half is hidden behind a thick cloud. Averaging over […]
In the Center of the Trifid Nebula
What’s happening at the center of the Trifid Nebula? Three prominent dust lanes that give the Trifid its […]
A Galaxy of Horrors
Explore extreme and terrifying realms of the Universe tonight. If you dare to look, mysterious dark matter, a […]