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Last Post 24 Oct 2018 08:42 AM by  Claire Raftery
Eclipses
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21 Oct 2018 11:16 PM
    What would it be called if another planet passed between the sun and the Earth, similar to when the moon passes between the sun and the Earth?


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    22 Oct 2018 05:56 AM
    Hi! I believe we call it "transit" of the planet (from the Earth, we can see the transit of Mercury and Venus only, of course!) :) Take a look on this beautiful movie of the 2012 Venus transit recorded by the Solar Dynamics Observatory (SDO): https://www.youtube.com/watch?v=4Z9rM8ChTjY


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    23 Oct 2018 02:59 PM
    If the planet were just the right size and just the right distance away to completely block the bright part of the Sun (the photosphere), it could still be called a solar eclipse. But probably the most general term is transit, since the Moon *is* transiting the Sun as well as completely eclipsing it during a total solar eclipse.


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    24 Oct 2018 08:42 AM
    Did you know that astrophysicists use just those types of transits to help them understand the characteristics of stars outside our solar system? Here's a short video that tells you how it works: https://youtu.be/6AsPeabSu24
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