On 31 Oct, 2019 By garyboyle@xplor...
The Transit of Mercury
For thousands of years, the naked eye planets have been observed as they slowly moved across the starry sky. The word planet comes from the Greek meaning “wanderer” and for good reason. Today’s telescope transforms these dots into detailed worlds such as the rings of Saturn, the polar caps on Mars and the four Galilean moons orbiting the banded clouds of Jupiter.
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