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| Astrophoto: Lunar Trio By Tom Orff |
Aug 2, 2005 - Astrophotographer Tom Orff took this Moon picture of the three major lunar craters; Theophilus, Cyrillus and Catharina, on the 28th April 2001 from Shenandoah PA, USA. Image was acquired with a Starlight Xpress MX516 CCD camera and an 8" Celestron Starhopper Dobsonian with a Dob Driver II at 3x prime focus (3600mm focal length (at f/18) with a TeleVue 3x barlow).
Do you have photos you'd like to share? Post them to the Universe Today astrophotography forum or email them to me directly, and I might feature one in Universe Today.
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| Radiation Will Put Human Mars Missions in Jeopardy |
| Aug 2, 2005 - One of the risks for sending humans to Mars is the lethal doses of radiation coming off the Sun in coronal mass ejections (CMEs). Researchers from the University of Warwick are proposing ways we can fill gaps in understanding about these processes and ensure astronaut safety. In addition to watching the far side of the Sun for CMEs, and developing detection equipment the astronauts can carry on their spacecraft, the researchers think we need to better understand how CMEs travel in the regions between Earth and Mars. (Full Story) |
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| Bend in the Rings |
| Aug 2, 2005 - In this image of Saturn, taken by Cassini, it's possible to see how Saturn's atmosphere distorts the rings right next to the planet. This happens because Saturn's atmosphere refracts the light coming from the rings, similar to how object in the water look distorted and out of position. (Full Story) |
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| Bright Splat on Rhea |
| Aug 2, 2005 - This Cassini image of Saturn's moon Rhea shows a bright, white spot in its leading hemisphere. This bright feature could have come from a large impact, and has been examined by Cassini several times from different angles. Cassini took the photo on June 25, 2005 when it was approximately 1.1 million km (700,000 miles) away from the moon. (Full Story) |
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