Earth’s Highest Clouds Shine at the “Top of the Orbit”

by Jason Major August 20, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter Looking for a new desktop background? This might do nicely: a photo of noctilucent “night-shining” clouds seen above a midnight Sun over Alaska, taken from the ISS as it passed over the Aleutian Islands just after midnight local time on Sunday, August […]

1 comment Read the full article →

New Desktop Image Alert: The Moon Over Earth

by Jason Major July 6, 2013

If you’re like me, you don’t change your computer’s desktop background nearly often enough… especially not considering all the fantastic space images that get released on an almost daily basis. But this picture, shared a couple of weeks ago by NASA’s Marshall Space Flight Center on their Flickr stream, really should inspire you to fix that. […]

4 comments Read the full article →

Venus’ Winds Are Mysteriously Speeding Up

by Jason Major June 18, 2013

High-altitude winds on neighboring Venus have long been known to be quite speedy, whipping sulfuric-acid-laden clouds around the superheated planet at speeds well over 300 km/h (180 mph). And after over six years collecting data from orbit, ESA’s Venus Express has found that the winds there are steadily getting faster… and scientists really don’t know […]

23 comments Read the full article →

An Early Start for Noctilucent Clouds

by Jason Major June 10, 2013

The season for noctilucent “night-shining” clouds is arriving in the northern hemisphere, when wispy, glowing tendrils of high-altitude ice crystals may be seen around the upper latitudes, shining long after the Sun has set. Found about 83 km (51 miles) up, noctilucent clouds (also called polar mesospheric clouds) are the highest cloud formations in the […]

3 comments Read the full article →

Astrophoto: Paint the Sky with Clouds

by Nancy Atkinson April 19, 2013

Here’s a great – and beautiful! – example of what you can do with image stacking. Manoj Kesavan, an avid astrophotographer based at Massey University, New Zealand shot 300 images during 45 minutes at sunset (6:45 pm to 7.30 pm local time) from Palmerston North, New Zealand. “It’s a stack of 300 images, which means […]

1 comment Read the full article →