Here it is: The first clear image of an eclipse of the Sun by the Earth, taken from the surface of the Moon.
This is what last night's lunar eclipse looked like from the Blue Ghost lander's perspective on the Moon. Amazing!
https://www.flickr.com/photos/fireflyspace/54386246629/in/dateposted/ #space #science #art #tech
@ryanjyoder Do you mean in the 'north-west' (top left) of the ring of light? I'd assume an irregularity in the Earth's surface - similar to the effect of Baily's beads (https://en.wikipedia.org/wiki/Baily%27s_beads) in the case of when the moon eclipses the sun.
@ryanjyoder @zeborah @coreyspowell
If you consider that the earth is far from round, it's reasonable.
@ryanjyoder @zeborah @coreyspowell
Where are the poles in that picture? It's not like "up" and "down" mean anything.
@ryanjyoder
I suspect that the reason is more mundane:
That ring happens because sunlight is refracted, reflected and diffused through the atmosphere, and some of it reaches the moon even when the sun is geometrically fully obscured by Earth.
The amount of light that makes it through in a given place is likely affected by local
cloud cover, or whether or not a place is over water. That should explain the asymmetric brighter and darker regions.
Corey S Powell
Ryan J. Yoder
Zeborah
DB Schwein
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