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Transit Of Mercury Today  
User currently offlinePositive rate From Australia, joined Sep 2001, 2143 posts, RR: 1
Posted (12 years 3 weeks 4 days 7 hours ago) and read 1153 times:

From the Earth's position in the solar system, only the inner(inferior) planets, Mercury and Venus, can ever pass across the face of the sun. This event only occurs when the inner planet is at inferior conjunction(between Earth and sun), and when the planetary orbits line up correctly.

Mercury will transit the sun today May 7 2003, the first time since 1999. These transits occur on average 13 or 14 times each century. Observers will see the entire transit of Mercury from most of Europe, Africa and Asia. Japan, Australia and New Zealand will see only the beginning. Western Africa, eastern North America and eastern South America will see only the end of the transit. Transits of Mercury or Venus are only possible when the planet crosses the ecliptic- because Mercury's orbit is tilted 7 degrees to the ecliptic transits are not frequent. The transit will begin at approx 0500 UTC and end a few hours later. Only look if you have a specially designed solar filter fitted to your telescope or you may risk eye damage.

3 replies: All unread, jump to last
User currently offlineNWA742 From , joined Dec 1969, posts, RR:
Reply 1, posted (12 years 3 weeks 4 days 5 hours ago) and read 1101 times:

Only look if you have a specially designed solar filter fitted to your telescope or you may risk eye damage.



User currently offline4holer From United States of America, joined Feb 2002, 3086 posts, RR: 9
Reply 2, posted (12 years 3 weeks 3 days 14 hours ago) and read 1084 times:

Lots of info about the transit and links from http://www.spaceweather.com/"

Ghosts appear and fade away.....................
User currently offlineSonic From Lithuania, joined Jan 2000, 1671 posts, RR: 0
Reply 3, posted (12 years 3 weeks 3 days 13 hours ago) and read 1081 times:

NWA742, you may only look at sun through a telescope twice in life: once with your right eye, and once with left  Smile/happy/getting dizzy

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