by National Space Society | Jan 15, 2012 | Astronomy, European Space Agency (ESA), NASA, Space Science
There is an average of more than one planet per star in the Milky Way Image Credit: NASA / ESA / ESO With the forthcoming publication in the journal Nature on 12 January, it is estimated that there are more than 100 billion planets in our Milky Way galaxy. That means...
by National Space Society | Aug 2, 2011 | Asteroids, NASA, Space
Vesta Image from 5,200 kilometers Image Credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA See also full rotation movie of Vesta. The Dawn spacecraft has completed imaging of Vesta from an altitude of 5,200 kilometers and has begun spiraling down to an altitude of...
by National Space Society | Jul 21, 2011 | Asteroids, NASA, Space Exploration
Craters on Vesta Image Credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA NASA’s Dawn spacecraft obtained this image of the protoplanet Vesta with its framing camera on July 18, 2011. It was taken from a distance of about 10,500 kilometers. The smallest detail...