SpaceX is gearing up for a second attempt to land the spent first stage of a Falcon 9 rocket on a ship in the Atlantic Ocean.
What is the solar system moon with the densest atmosphere? Most space fans know that the answer is Titan. A few of you might know that Triton's is the next densest. But what's the third? Fourth? Do any other moons even have atmospheres? In fact, they do; and one such atmosphere has just been discovered.
The Planetary Society Operations Assistant Whitney Pratz reports from the National Science Teacher Association Conference and on the development of our youth education and outreach program, Planetary Kids.
Now that Cassini has returned to Saturn's equatorial plane, it has lots of opportunities to observe Saturn's moons. For about a week, Cassini has been taking regular sets of images of Iapetus, which I've assembled into an animation.
Posted by A.J.S. Rayl on 2015/04/02 09:37 CDT
On March 24, 2015, after spending several weeks investigating some new rock types along the western rim of Endeavour Crater, Opportunity roved past 42.2 kilometers (26.2 miles) and put the first off-Earth marathon in her rear view mirror, driving the Mars Exploration Rovers mission back into the space history books.
Posted by Dante Lauretta on 2015/04/02 12:49 CDT
The OSIRIS-REx mission passed another major milestone. We now have approval to build the spacecraft.
Scientist Stuart Robbins discusses dating the lunar surface is using impact craters.
Posted by Bruce Betts on 2015/03/31 11:04 CDT
Thanks to a new focal reducer and re-aluminized mirror from a Shoemaker NEO grant, a 0.81-meter telescope in Italy is performing astrometric follow-up observations and physical studies of asteroids.
Posted by Jason Davis on 2015/03/30 10:29 CDT
The team behind The Planetary Society’s LightSail spacecraft is kicking off a series of simulations to ensure the spacecraft’s ground systems are ready for launch.
The road to lower costs outer planet missions has been paved by NASA’s first two New Frontiers missions, the $700M New Horizons mission to Pluto and the $1.1B Juno mission to Jupiter. But can the cost of a mission to the outer solar system be cut to $450M, the limit for a Discovery mission?