Photometry Needed for the November Asteroid Flyby
This article originally appeared on Sky & Telescope’s website On November 8–9, 2011, the Earth-crossing asteroid 2005 YU55 will speed past us at a distance closer…
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Asteroid Family Believed Responsible for Dinosaur Extinction May Not Be Responsible After All
Observations from NASA’s Wide-field Infrared Survey Explorer (WISE) mission indicate the family of asteroids some believed was responsible for the demise of the dinosaurs is not…
Read the article →Dawn Spacecraft Images Vesta’s Striking Features
A new video from NASA’s Dawn spacecraft takes us on a flyover journey above the surface of the giant asteroid Vesta. This image obtained by the…
Read the article →Opportunity Mars Rover Arrives at Endeavour Crater to Study Rocks Never Seen Before
After a journey of almost three years, NASA’s Mars Exploration Rover Opportunity has reached the Red Planet’s Endeavour crater to study rocks never seen before. A…
Read the article →Comet Elenin Will Be in the Sky in October
Comet Elenin is coming to the inner-solar system this fall/autumn. Comet Elenin (also known by its astronomical name C/2010 X1), was first detected on Dec. 10,…
Read the article →NASA’s Dawn Spacecraft Begins Science Orbits of Vesta
NASA’s Dawn spacecraft, the first ever to orbit an object in the main asteroid belt, is spiraling towards its first of four intensive science orbits. That…
Read the article →Water Rains Onto Saturn From Enceladus
ESA’s Herschel space observatory has shown that water expelled from the moon Enceladus forms a giant torus of water vapour around Saturn. The discovery solves a…
Read the article →Dawn Spacecraft Returns First Close-Up Image of Vesta
NASA’s Dawn spacecraft has returned the first close-up image after beginning its orbit around the giant asteroid Vesta. On Friday, July 15, Dawn became the first…
Read the article →NASA’s Dawn Spacecraft to Enter Orbit Around Asteroid Vesta
NASA’s Dawn spacecraft will begin a prolonged encounter with the asteroid Vesta today (July 15), making the mission the first to enter orbit around a main-belt…
Read the article →Spitzer Space Telescope Finds Distant Galaxies Grazed on Gas
Galaxies once thought of as voracious tigers are more like grazing cows, according to a new study using NASA’s Spitzer Space Telescope. Astronomers have discovered that…
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