anthelion radiant

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A broad, weak source of meteors (usually fewer than five per hour) located on the ecliptic some 15° east of the anthelion point. Meteors from this radiant are caused by particles of interplanetary dust moving faster than the Earth which enter the atmosphere as they overtake us. Activity from the anthelion radiant was formerly attributed to a sequence of individual minor showers, but is now recognized to be part of a general background that is active throughout the year and that has no specific parent body. The only exception is the Taurid meteor shower of October and November, which is associated with Comet Encke.

Subjects: Astronomy and Astrophysics.

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