History Is Made Today As Dawn Arrives At Ceres

very nice indeed

Lights in the Dark

Image of the 600-mile-wide Ceres captured by Dawn on March 1, 2015. (NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)Image of the 600-mile-wide Ceres captured by Dawn on March 1, 2015. (NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)

It’s official – NASA’s Dawn spacecraft has arrived at the dwarf planet Ceres! Today, March 6 2015, at 7:39 a.m. EST (12:39 UTC) Dawn was captured by Ceres’ gravity at a distance of 38,000 miles (61,155 km). Mission controllers at JPL received a signal from the spacecraft at 8:36 a.m. EST (13:36 UTC) that Dawn was healthy and thrusting with its ion engine, indicating Dawn had entered orbit as planned.

Illustration of Dawn's arrival (far left) and orbit at Ceres. (NASA/JPL)Illustration of Dawn’s arrival (far left) and orbit at Ceres. (NASA/JPL)

Over the next several weeks Dawn will move into a lower orbit around Ceres, making observations along the way.

Dawn is the first spacecraft to successfully enter orbit around two worlds* and the first to orbit a dwarf planet. Its first target was the asteroid Vesta, which it orbited from July 2011 to September 2012. Now at Ceres…

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