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A comet picture taken by Philae on the way down

Comet 67P/C-G as seen by Philae during its descent

I am not sure if the actual landing site is visible in this image. I don’t think so as nothing seems to match what was on the earlier close-up. Moreover, the Rosetta website does not say.

No images on the surface have yet been released. There are also issues that could prevent a full success.

However, while the lander has touched down on the comet using its harpoons, scientists said that it had not yet deployed its anchors which meant that it was not completely attached to the surface. The surface was much softer than they expected, so there were some concerns that it was not securely fixed on the comet – although from a software point of view things seemed to be fine. Engineers will attempt to fire the anchors again soon in order to keep Philae attached to the surface of the comet.

Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

 
The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.


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"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News

3 comments

  • mpthompson

    The surface was much softer than they expected…

    I’m sure these guys are highly qualified and know what they are doing, but I do have to say that if on a mission such as this you aren’t designing for the unexpected, you should probably be doing something else.

    Also, once the robot has finally settled down, does it really need to be anchored? Or, are there moving mechanical elements that could actually knock it off the comet?

    Anyway. Very good stuff. A fascinating mission which hopefully result in 100 more questions for everyone that it answers.

  • Philae has a drill for probing into the surface. To use it the spacecraft needs to be firmly anchored.

  • mpthompson

    Got it. That would be a problem. Thanks.

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