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AURORA OUTLOOK: A solar wind stream flowing from a coronal hole on the Sun could reach Earth as early as May 3rd or 4th. Sky watchers should be alert for 19 auroras when it arrives. The full moon will glide through Earth's shadow and turn a lovely shade of sunset-red. German photographer 30 Gerhard Kupfer took this picture, a 60s exposure, on April 30th. The elliptical smudge above and to the left of the comet is the Andromeda Galaxy. Chumack overlooking Balanced Rock at Arches National Park in Utah (Apr. This is a mirage effect from a layer of cold air near the ground," explains atmospheric optics expert Les Cowley. None of the known PHAs are on a collision course with our planet, although astronomers are finding 43 new ones all the time. On 2 May 2004 there were 595 known Potentially Hazardous Asteroids April 2004 Earth-asteroid encounters ASTEROID DATE (UT) MISS DISTANCE MAG. MAG is the visual magnitude of the asteroid on the date of closest approach. Space weather and other forecasts that appear here are formulated by Dr. They are not guarantees of space weather or other celestial activity.
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