Image Credit & Copyright: Jens HackmannExplanation: Just days after sharing the western evening sky with Venus in 2007, the Moon moved on to Saturn – actually passing in front of the ringed planet Saturn when viewed in skies over Europe,...
Image Credit: ISS Expedition 2 Crew, Gateway to Astronaut Photography of Earth, NASAExplanation: No sudden, sharp boundary marks the passage of day into night in this gorgeous view of ocean and clouds over our fair planet Earth. Instead, the shadow line or terminator is diffuse...
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Image Credit & Copyright: Martin PughExplanation: This beautiful, bright, spiral galaxy is Messier 64, often called the Black Eye Galaxy or the Sleeping Beauty Galaxy for its heavy-lidded appearance in telescopic views. M64 is about 17 million light-years distant in...
Image Credit & Copyright: Pavel SmilykExplanation: Currently, comet PANSTARRS is passing nearly in front of the galaxy Andromeda. Coincidentally, both comet and galaxy appear now to be just about the same angular size. In physical size, even though Comet PANSTARRS is...
Images Credit: Frying Pan (Copyrighted): Christopher Jonassen; Moon: NASAExplanation: Which is which? Of the two images shown above, one is a moon in our Solar System, while the other is the bottom of frying pan. We are not making this up —...