Patient to his doctor: "I have forgotten so many things lately, and it’s getting worse. What can I do?"
Doctor: "Yes, this is a known illness, unfortunately it has no cure. On that note, I'd like to remind you about the $800 that you owe me."
Ashen light of VenusIn 1643, Giovanni Riccioli first reported the phenomenon known as the Ashen Light of Venus. It is said to be a faint luminescence on the night side of the planet, similar in appearance to “earthshine”on the Moon, although not so bright. Ashen Light has been most often sighted when Venus was in the evening sky, when the evening terminator of the planet is toward the Earth. Studies have been attempted by several space missions, including Pioneer and the Russian Venera 11 and 12 landers. Still, the phenomenon remains sporadic and the explanation elusive. |
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