New Horizons Spacecraft Reaches Neptune Orbit Crossing Milestone
NASA’s Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major crossing en route to becoming the first probe to make…
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Counting Down to a Flyby of Pluto
When NASA’s New Horizons mission was launched, Pluto was still considered one of the nine planets in our solar system. It has since been reclassified as…
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NASA Releases Images of Earth Taken by Cassini and MESSENGER
Color and black-and-white images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions…
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Cassini to Photograph Earth and Saturn From Deep Space
On July 19, 2013, NASA’s Cassini spacecraft will photograph Saturn and its entire ring system during a total eclipse of the sun. Cassini has done this…
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Saturn’s Moons and Rings Are Gently Worn Vintage Goods From Around the Time of Our Solar System’s Birth
The Cassini spacecraft observes three of Saturn’s moons set against the darkened night side of the planet. Saturn is present on the left this image but…
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AAVSO Alert Notice 462: Monitoring of J1407 for Next Extrasolar Ring System Transit
AAVSO Alert Notice 462 Monitoring of J1407 for next extrasolar ring system transit June 26, 2012 Dr. Eric Mamajek (Cerro Tololo Interamerican Observatory and University of…
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