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The guts of Ceres

6 August 2016

At http://phys.org/print389507947.html … some tens of thousands of photographs of Ceres were returned by NASAs Dawn spacecraft – but none of them could peer inside the asteroid. However, scientists were able to measur the gravity of Ceres and the results are published in the journal Nature (August 2016). It seems the interior of Ceres is not as dense as the Earth – or the Moon (or even the asteroid Vesta that Dawn visited prior to Ceres). Does this mean Ceres was once a comet?

Over at http://phys.org/print389280291.html … we learn there is a void in the Milky Way, a huge region near the galaxy centre that is short of stars (or a particular kind of star). The same story is at Daily Galaxy (August 2nd).

At https://tallbloke.wordpress.com/2016/07/31/clouds-high-in-venus-atmosphe… … Roger Tattersall has a post on a story that did the rounds last week. ESAs Venus Express spacecraft has sent back data on how weather patterns of clouds on Venus have a connection with the topography below.

Finally, at http://phys.org/print389608154.html … we are into Mars – and mineral veins formed by the evaporation of lakes at some point in the remote past.

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