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Friday, July 29, 2011
NASA's Hubble Discovers Another Moon Around Pluto
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These two images, taken about a week apart by NASA's Hubble Space
Telescope, show four moons orbiting the distant, icy dwarf planet Pluto. The
green circle in both snapshots marks the newly discovered moon, temporarily
dubbed P4, found by Hubble in June. P4 is the smallest moon yet found around
Pluto, with an estimated diameter of 8 to 21 miles (13 to 34 km). By comparison,
Pluto's largest moon Charon is 746 miles (1,200 km) across. Nix and Hydra are
20 to 70 miles (32 to 113 km) wide. The new moon lies between the orbits of Nix
and Hydra, two satellites discovered by Hubble in 2005. P4 completes an orbit
around Pluto roughly every 31 days.
"
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PR: 9 | NASA.gov http://www.nasa.gov/ NASA.gov brings you images, videos and interactive features from the unique perspective of America's space agency. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 8 | ScienceBlogs http://scienceblogs.com/ ScienceBlogs was created by Seed Media Group. We believe that science literacy is a pre-condition for progress in the 21st century. At a time when public interest in science is high but public understanding of science remains weak, we have set out to create innovative media ventures to improve science literacy and to advance global science culture. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | Bad Astronomy Blog http://blogs.discovermagazine.com/badastronomy/ Commentary on astronomy news and space-related myths and misinformation. By Phil Plait. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | Cosmic Log http://cosmiclog.msnbc.msn.com/ Weblog by MSNBC.com science editor Alan Boyle, with daily science and space news and links. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | Nature Newsblog http://blogs.nature.com/news/blog/ News weblog of Nature periodical, allowing readers to comment on recent developments in science and technology. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | PhysOrg Science News Weblog http://www.physorg.com/weblog/ Covers recent science and technology discoveries and developments. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | Science Blog http://www.scienceblog.com/ General science and technology news weblog. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | 60 Second Science http://www.sciam.com/blog/60-second-science/ Opinions, arguments and analyses from the editors of Scientific American. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | A Voyage to Arctucus http://avoyagetoarcturus.blogspot.com/ Jay Manifold's weblog about science and scientific applications. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | WorldChanging http://www.worldchanging.com/ Collaborative blog dedicated to current events and news, also covering scientific issues. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 7 | PhysOrg http://www.physorg.com/ PhysOrg.com™ is a leading web-based science, research and technology news service which covers a full range of topics. These include physics, earth science, medicine, nanotechnology, electronics, space, biology, chemistry, computer sciences, engineering, mathematics and other sciences and technologies. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | BioCurious http://biocurious.com/ Physicists exploring an interest in biology. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | Cleantech Blog http://www.greentechblog.com Blog providing commentary on technologies, news, and issues relating to next generation energy and the environment. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | The Flame Trench http://www.floridatoday.com/floridatoday/blogs/spaceteam/ Dispatches on all things space from the Florida Today blockhouse at the Kennedy Space Center. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | FuturePundit http://www.futurepundit.com/ Future technological trends and their likely effects on human society, politics and evolution. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | The Geomblog http://geomblog.blogspot.com/ Ruminations on computational geometry, algorithms, theoretical computer science and life. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | Gooz News http://www.gooznews.com/ Pharmacology writer Merrill Goozner comments on science, health and the public interest. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | Journalology http://journalology.blogspot.com Blog covering science publishing trends, ethics, peer review, and open access. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | Lubos Motl's Reference Frame http://motls.blogspot.com/ News, opinion and political commentary relating to string theory, mathematics and physics. not rated yet0 Reviews. Rating: Total Votes: 0 |
PR: 6 | Next Big Future http://nextbigfuture.com Tracking progress to the future especially advanced nanotechnology, nuclear and energy technology, quantum computers, life extension, space technology and AI. not rated yet0 Reviews. Rating: Total Votes: 0 |