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Astro Bob

Things Are Hopping On Asteroid Ryugu — See The First Photo And Go For A Stroll

23 Sep 2018, 18:15 UTC
Things Are Hopping On Asteroid Ryugu — See The First Photo And Go For A Stroll
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This photo was taken on Ryugu’s surface by the MINERVA Rover-1A during a successful hop on Sept. 22. The left-half is the rocky surface of Ryugu, while the white region at right is due to sunlight reflecting in the camera’s optics. The MINERVA rovers are the first to land on the surface of an asteroid. JAXA
I had to share this first incredible photo taken by one of the MINERVA robots we talked about in Friday’s blog. Both of the MINERVAs landed successfully on the surface of the asteroid Ryugu, and this image was taken the very next day (Sept. 22). It captures a view of Ryugu’s forbidding surface in midair snapped by the robot after its first successful bounce. The robots remain airborne for up to 15 minutes before settling back down to the surface because gravity is next to nothing there.
67P/Churyumov-Gerasimenko is a dumbbell-shaped comet made of ice and dust 2.5 miles (4 km) explored during the Rosetta Mission. ESA/Rosetta/NAVCAM
You can figure out how much you weigh on different worlds if you know the mass and density of the object, its speed of rotation and how far you are from its center. For instance , a ...

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