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A new angle on Churyumov-Gerasimenko brings circular features into focus

Emily Lakdawalla • August 04, 2014 • 4

It's just two days now until Rosetta arrives in its initial 100-kilometer "orbit" of comet Churyumov-Gerasimenko, and the latest view from Rosetta's NavCam is fascinating. Circular features on the comet remind me of Tempel 1 as seen by Deep Impact and Stardust.

[UPDATED] New Rosetta images show comet's craggy shape

Emily Lakdawalla • August 02, 2014 • 1

A shift in position has brought shadows into view from Rosetta, outlining scarps and ridges on Churyumov-Gerasimenko.

New Rosetta view of the comet - and a comparison to other comets

Emily Lakdawalla • July 31, 2014 • 8

Rosetta's view of the comet is getting better and better. Today they released a new image from the high-resolution OSIRIS camera, and it's a very fresh one, taken only two days ago. Distinct features are coming into view. And it's finally detailed enough for me to compare it to the five other comets we've visited in the past.

Rosetta update: Long journey to a comet nearly complete

Emily Lakdawalla • July 29, 2014 • 4

A journey of nearly a decade is almost over. Rosetta is making its final approach to comet 67P/Churyumov-Gerasimenko, and the comet's strange shape is beginning to come into focus. As of today, the spacecraft is only 2000 kilometers away from the comet, and 8 days away from arrival.

Dark mountain on Vesta: Aricia Tholus

Emily Lakdawalla • July 28, 2014 • 1

Newly processed images of one of the more puzzling features on the surface of Vesta: a dark mountain named Aricia Tholus.

Pretty Pictures of the Cosmos: Perception

Adam Block • July 25, 2014 • 2

Astrophotographer Adam Block shares two recent images of star clusters, along with a pair of depth perception-defying galaxies.

Curiosity update, sols 671-696: Out of the landing ellipse, into ripples and pointy rocks

Emily Lakdawalla • July 24, 2014 • 8

For the last four weeks, the name of the game for Curiosity has been driving. But these weeks of driving have been more challenging than they used to be.

Standing on Venus in 1975

Ted Stryk • July 24, 2014 • 4

Venera 9 and 10 landed on Venus in 1975 and sent back the first images of the planet's surface. Now, Ted Stryk brings new life to these images to show us what it would be like to stand on the Venusian surface.

One Day on Mars

Bill Dunford • July 21, 2014 • 3

A single day's observations take us from orbital overviews all the way down to ground truth.

A right old comet kerfuffle…

Stuart Atkinson • July 18, 2014 • 16

A European space enthusiast, children's author, and volunteer astronomy outreach worker asks for more images from Rosetta.

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