Educator's Guide to Eclipses . ... In a solar eclipse you observe the Sun (using only safe methods, of course). ... In a lunar eclipse you observe the Moon. ... Because of the geometry described below, you can only view a solar eclipse when the Sun is up, and the Moon is nowhere to be seen. ... Eclipses occur when the Sun, Earth and Moon line up. ... In a solar eclipse the Moon passes directly in front of the Sun. ... In a lunar eclipse the Moon moves into Earth's shadow. ...

... A Lucky Lunar Eclipse . ... 3.04.1996 . ... Credit: Andy Steere Explanation: Tonight's full moon would normally washout the spectacle of Comet Hyakutake's lovely tail , even for those far from light polluted skies. ... Lunar eclipses are caused when the Moon passes through the Earth's shadow . ... Weather permitting, the eclipse will be visible for all those comet and moon watchers lucky enough to be on the Earth's nightside . ... April . ... 1995 1996 . ... Publications with keywords: lunar eclipse...

... On the morning of Thursday, 26 February, amid the Gal pagos Islands, the Sun will fade from view. Not the culmination of ancient prophecy, but none less mystical, Earth's small Moon will be executing a slow slide past the enormous Sun. ... And anyone living in southern North America, Central America, northern South America, or on islands and cruise ships in the Caribbean Sea will, weather permitting, have the opportunity to experience the wonder of a solar eclipse. ...

... PLE: Just another reminder about the Penumbral Lunar Eclipse on March 14 - 15. ... The moon passes completely inside the penumbra, or 'partial shadow', of the Earth, but no part of it actually enters the umbra, which would give a partial eclipse. ... 22 March, 7.30 p.m., Lecture Room 5, Stranmillis College, Belfast: IAA Public Lecture, "The Solar Wind: from Explosions on the Sun to Us", by the redoubtable Dr Miruna Popescu of Armagh Observatory (Doctorate just awarded - congratulations!) ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

... Gift Center . ... Why do aurorae appear strongest within rings centered on Earth's poles instead of filled-in circles? ... RELATED TOPICS: AURORAE . The visible aurorae result from electrons that move along magnetic field lines from space into the upper atmosphere. ... Just make sure you're registered with the website. Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

The Sun's corona . ... For instance, short "plumes" rising from the polar regions of the Sun look very much like field lines coming out of the end of a bar magnet, and they therefore suggest that the Sun, in addition to the intense fields of sunspots, also has a global magnetic field like the Earth's. Arches above the . Sun's surface . ... It is brightest near sunspots, whose arched field lines apparently hamper the outflow of solar wind which carries away energy and helps cool the corona. ...