orbit
MESSENGER Completes Second Burn to Maintain Mercury Orbit
A little over a week before NASA's MAVEN spacecraft fired its rockets to successfully enter orbit around Mars, MESSENGER performed a…
Take a Flight Over a Massive Aurora
Post by Alexander Gerst. Or perhaps I should say "eine grosse Aurora!" ESA astronaut Alexander Gerst made this time-lapse of a…
Stunning Snapshots from Space Courtesy of Reid Wiseman
On May 28 the crew of Expedition 40/41 launched from Baikonur Cosmodrome, their Soyuz TMA-13M arriving at the International Space Station…
Observing Alert – Space Station ‘Marathon’ Starts This Week
What's your favorite satellite? For me it's the space station. Not only is it the brightest spacecraft in the sky, but…
Space Station’s Veggies Are “Grow” to Launch
In what could become the world's first orbiting salad bar, NASA's Veggie experiment was initiated on May 8 after a successful (if…
Mercury’s Ready For Its Close-Up, Mr. MESSENGER
Are you ready for a good close look at Mercury? At an incredible 5 meters per pixel, this is one of…
Observing Alert: See Mercury’s Best Evening Show of the Year
Don't let furtive Mercury slip through your fingers this spring. The next two and a half weeks will be the best…
Asteroid 2013 UQ4 Suddenly Becomes a Dark Comet with a Bright Future
On October 23, 2013, astronomers with the Catalina Sky Survey picked up a very faint asteroid with an unusual orbit more…
Why Is the Solar System Flat?
It's no mystery that the planets, moons, asteroids, etc. in the Solar System are arranged in a more-or-less flat, plate-like…
A Distant View of Janus, One of Saturn’s ‘Dancing Moons’
One of 62 moons discovered thus far orbiting giant Saturn, Janus is a 111-mile (179-km) -wide pockmarked potato composed of…