Transit Mercury TRACE 2003 (1)

Watch Mercury Skip Across The Sun On May 9

On Monday May 9th, we have a rare opportunity to see the solar system’s innermost planet pass directly in front of the sun. Maybe you saw one or both Venus transits back in 2004 and 2012. All you needed then was a handheld solar filter to that planet’s perfectly black, perfectly circular self silhouetted against the…
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Dawn ion thrustersFEA

Dawn Spacecraft May Visit A Secret Destination

NASA’s Dawn spacecraft orbited Vesta for 14 months in 2011 and 2012, and then departed for Ceres, where it’s orbited since March 2015. This week, Dawn’s been taking stereo views of the dwarf planet’s terrain from just 233 miles (375 kilometers) up or about 20 miles lower than the altitude of the International Space Station. Dawn’s dual-asteroid mission…
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It’s About To Get A Lot More Crowded Up There

Two nights ago at a star party I attended to celebrate Earth Day, a young boy looked up in Jupiter’s direction, saw a moving “star” and shouted out. We all looked up to see a satellite moving swiftly across the constellation Leo. Lots of people love seeing satellites. They provide a unique human-to-cosmos link to outer…
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Moon Mars Saturn conj_FEA

See A Moon-Mars-Saturn Get-together

The full moon put in an appearance last night roughly halfway between Jupiter and the duo of Saturn and Mars. Following the moon’s movement through the zodiac is like having your own personal driver. Just hop on. One night, you’ll zip by Jupiter. The next night, you might be dropped off on the doorstep of a bright star cluster.  Monday morning…
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The Bubble Nebula, also known as NGC 7635, is an emission nebula located 8 000 light-years away. This stunning new image was observed by the NASA/ESA Hubble Space Telescope to celebrate its 26th year in space.

Blowing Bubbles At Hubble’s Birthday Party

26 years ago on April 24, 1990, the NASA/ESA Hubble Space Telescope was launched into orbit aboard the space shuttle Discovery. Every year, to commemorate this happy day in space history, Hubble takes time to capture a spectacular view of a special astronomical object. This anniversary, astronomers operating the Hubble chose the Bubble Nebula, a cloud…
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