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Proposals to Explore the Solar System’s Smallest Worlds

Van Kane • July 27, 2015 • 10

Van Kane rounds up some of the latest NASA Discovery mission proposals aiming to explore our solar system's smallest bodies.

More than 2000 Rosetta NavCam images for your enjoyment

Emily Lakdawalla • July 07, 2015 • 2

Last week, the European Space Agency released the first set of images from Rosetta's navigational camera, or NavCam, from the phase of the mission that followed the Philae landing. That makes more than 3500 NavCam images that have been released from the comet phase of the mission.

Philae is awake! What's next for the comet lander's scientific mission?

Emily Lakdawalla • June 17, 2015 • 5

I woke up early Sunday morning to the dramatic news: Philae is back! With a few days to consider the telemetry, the Philae team is now talking about the science they hope to do. With comet Churyumov-Gerasimenko approaching perihelion in August, it's going to be an exciting ride.

Unseen latitudes of comet Churyumov-Gerasimenko -- revealed!

Emily Lakdawalla • May 15, 2015 • 2

A recent Rosetta image has revealed a good part of the comet's previously hidden southern terrain to the public for the first time.

More than 1000 Rosetta NavCam images released!

Emily Lakdawalla • April 29, 2015

Today the European Space Agency released a ton of NavCam images, taken as the spacecraft approached and then entered orbit at the comet.

Rosetta update: Two close flybys of an increasingly active comet

Emily Lakdawalla • April 21, 2015 • 6

In the two months since I last checked up on the Rosetta mission, the comet has heated up, displaying more and more jet activity. Rosetta completed very close flybys on February 14 and March 28, taking amazing photos. But comet dust is making navigation difficult, so the mission is now keeping a respectful distance from the comet and replanning its future path.

LPSC 2015: Philae at comet Churyumov-Gerasimenko

Emily Lakdawalla • March 18, 2015 • 2

In my first post from the 2015 Lunar and Planetary Science Conference, I discuss the latest work on Philae images, and some cometary polymers.

Adding Churyumov-Gerasimenko to my scale comparison of comets and asteroids

Emily Lakdawalla • March 13, 2015 • 4

Having found a color photo of the comet, I finally added Churyumov-Gerasimenko to my scale comparison of comets and asteroids visited by spacecraft.

An active comet, from a distance

Emily Lakdawalla • February 13, 2015 • 4

Rosetta has closed to within 50 kilometers of Churyumov-Gerasimenko, on its way to a very close, 6-kilometer flyby of the comet tomorrow. To prepare for the flyby, Rosetta traveled much farther away, allowing it to snap these amazing photos of an increasingly active comet from a great distance.

Rosetta shifts from sedate circular orbits to swooping flybys

Emily Lakdawalla • February 10, 2015 • 9

For the period of time before and after the Philae landing, Rosetta was able to orbit the comet close enough that it was in gravitationally bound orbits, circling the comet's center of gravity. As the comet's activity increases, the spacecraft has to spend most of its time farther away, performing occasional close flybys. The first of these is at 6 kilometers, on February 14.

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