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Mercury's May Transit: Why do we care?
On Monday, Mercury passed between us and the Sun, blocking out some of ... of the solar system. The first transit observed was one of Mercury, in fact, early in the 17th century. Haley was the ... to work out the relative difference between the earth to mercury and, therefore, from mercury to the sun and, ...
Planetary system makes ET more likely...
... galaxy. The innermost planet has a size similar to that of Mercury and its size has been measured with the precision of ...
The ALMA Telescope, Solar Orbiter, Autistic Mice and Chivalrous Crickets.
... any spacecraft to date and nearer even than the orbit of Mercury. Exposed to temperatures of up to 5000 degrees ...