Red sunset from green Earth, blue sunset from red Mars

Red sunset from green Earth, blue sunset from red Mars

[CLICK ON IMAGE FOR HIGH RESOLUTION, Left Image: Damia Bouic; Right Image: NASA, JPL-Caltech] How different does sunset appear from Mars than from Earth? For comparison, two images of our common star were taken at sunset, one from Earth and one from Mars. These images were scaled to have same angular width and featured here […]

True believers at NASA press search for ETs within two decades

True believers at NASA press search for ETs within two decades

NASA claims we’ll find aliens in the next 10 to 20 years – and now the agency is revving up its efforts to track them down. The group has put together a team of ‘extraterrestrial experts’ to see if any of the planets discovered outside our solar system are habitable. …The initiative, dubbed Nexus for […]

Venus, for now, our evening star

Venus, for now, our evening star

[CLICK ON IMAGE FOR HIGH RESOLUTION, Babak Tafreshi (TWAN)] In the coming days, Venus shines near the western horizon at sunset. To find Earth’s sister planet in twilight skies just look for the brilliant evening star. Tonight very close to the Pleiades star cluster, Venus dominates this springtime night skyscape taken only a few days […]

Almost every item in this photo is a galaxy

Almost every item in this photo is a galaxy

[CLICK ON IMAGE FOR HIGH RESOLUTION, NASA, ESA, Hubble] The Coma Cluster of Galaxies pictured above is one of the densest clusters known – it contains thousands of galaxies. Each of these galaxies houses billions of stars – just as our own Milky Way Galaxy does. Although nearby when compared to most other clusters, light […]

Neptune! Bitter cold winds here? Think 2000 km/hour gusts

Neptune! Bitter cold winds here? Think 2000 km/hour gusts

[CLICK ON IMAGE FOR HIGH RESOLUTION, Voyager 2, NASA] Two hours before [its] closest approach to Neptune in 1989, the Voyager 2 robot spacecraft snapped this picture. Clearly visible for the first time were long light-colored cirrus-type clouds floating high in Neptune’s atmosphere. Shadows of these clouds can even be seen on lower cloud decks. […]

A cosmic marvel from one of the Seven Wonders of Russia

A cosmic marvel from one of the Seven Wonders of Russia

[CLICK ON IMAGE FOR HIGH RESOLUTION, Sergei Makurin] You may have heard of the Seven Sisters in the sky, but have you heard about the Seven Strong Men on the ground? Located just west of the Ural Mountains, the unusual Manpupuner rock formations are one of the Seven Wonders of Russia. How these ancient 40-meter […]