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Some Facts about Eclipses
Source: U.S. Naval Observatory and NASA/Goddard Space Flight Center Anaxagoras, in the 5th century B.C., is credited as the first to figure out the true cause of a lunar eclipse, but his…The Moon's Phases
Source: The National Aeronautics and Space Administration (NASA) The lunar month is the 29.53 days it takes to go from one new moon to the next. During the lunar month, the Moon goes through…How the Planets and Satellites Got Their Names
Source: The U.S. Geological SurveyMERCURY Named for the winged Roman god of travel because it appears to move so swiftly.VENUS Roman name for the goddess of love. This planet was considered…Beyond Pluto
In July 2005, a team from the California Institute of Technology announced the discovery of a possible “tenth planet” temporarily called 2003 UB313. This most distant object so far found in…Cassini-Huygens
The Cassini-Huygens mission, launched in 1997 as a joint endeavor of NASA, the European Space Agency (ESA), and the Italian space agency, went into orbit around Saturn on June 30, 2004, and…A Tenth Planet?
In recent years astronomers have discovered that our solar system is a great deal more crowded than we imagined. In 2004 alone, a dozen new moons circling Saturn were identified. Today's…Phenomena, 2008
Configurations of Sun, Moon, and Planets January 2008 Phenomena…Eclipses of the Sun and Moon, 2007
Note: The day of an eclipse is given in Universal Time (UT) and may start a day earlier or later depending on your time zone. (See Phenomena, 2007, to find time of eclipse.) March 3-4. Total eclipse…Deep Impact Attacks Comet Tempel 1
For the past 138 years, since its discovery in 1867, Comet Tempel 1 has had distant but harmonious relations with the inhabitants of planet Earth. But on July 4, somewhere between Mars and…Sedna: Planetoid or Planet?
On March 15, 2004, astronomers confirmed the discovery of the most distant object ever identified in our solar system. Twice as far from the Sun as any known object, this red mass has an…Trending
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