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我的 Blog:
[∑〖数学〗]
[Ω〖物理〗]
[¤〖天文〗]
[℃〖化学〗]
全站 Blog:
流星雨[Meteor Shower]
¤〖天文〗
2004-10-16 10:58
Caused when the
Earth
passes through the dust of a
comet
's tail. Meteor showers occur on the days summarized in the following table.
<DIV ALIGN="CENTER"> <TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="LEFT">shower</TD> <TD ALIGN="LEFT">date</TD> <TD ALIGN="LEFT"><a href="Comet.html">comet</a></TD> </TR> <TR><TD ALIGN="LEFT">Quadrantids</TD> <TD ALIGN="LEFT">Jan. 4</TD> <TD ALIGN="LEFT"> </TD> </TR> <TR><TD ALIGN="LEFT">Lyrids</TD> <TD ALIGN="LEFT">Apr. 21</TD> <TD ALIGN="LEFT"> </TD> </TR> <TR><TD ALIGN="LEFT">Eta Aquarids</TD> <TD ALIGN="LEFT">May 4</TD> <TD ALIGN="LEFT"> </TD> </TR> <TR><TD ALIGN="LEFT">Delta Aquarids</TD> <TD ALIGN="LEFT">Jul. 28</TD> <TD ALIGN="LEFT"> </TD> </TR> <TR><TD ALIGN="LEFT">Perseids</TD> <TD ALIGN="LEFT">Aug. 11</TD> <TD ALIGN="LEFT">Swift-Tuttle</TD> </TR> <TR><TD ALIGN="LEFT">Orionids</TD> <TD ALIGN="LEFT">Oct. 21</TD> <TD ALIGN="LEFT"> </TD> </TR> <TR><TD ALIGN="LEFT">Taurids</TD> <TD ALIGN="LEFT">Nov. 3</TD> <TD ALIGN="LEFT"> </TD> </TR> <TR><TD ALIGN="LEFT">Leonids</TD> <TD ALIGN="LEFT">Nov. 16</TD> <TD ALIGN="LEFT">Temple-Tuttle</TD> </TR> <TR><TD ALIGN="LEFT">Geminids</TD> <TD ALIGN="LEFT">Dec. 13</TD> <TD ALIGN="LEFT"> </TD> </TR> <TR><TD ALIGN="LEFT">Ursids</TD> <TD ALIGN="LEFT">Dec. 22</TD> <TD ALIGN="LEFT"> </TD> </TR> </TABLE> </DIV>
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