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From a million miles away, NASA camera shows moon crossing face of Earth

nasa.gov

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Re: From a million miles away, NASA camera shows moon crossing face of Earth

#4
post #2

Is this the real reflectance of the moon? Seems so dark. Usually we see the moon at night surrounded by night sky, which probably skews our perception of the real color of the surface material.

According to TFA the earth is just so much brighter.

Re: From a million miles away, NASA camera shows moon crossing face of Earth

#5
post #2

Is this the real reflectance of the moon? Seems so dark. Usually we see the moon at night surrounded by night sky, which probably skews our perception of the real color of the surface material.

According to TFA the earth is just so much brighter.

Yes, indeed. The eposure of the photo must have been set to make earth look as bright as we expect, and leaving the moon darker.

Re: From a million miles away, NASA camera shows moon crossing face of Earth

#8
post #7
post #3

For anyone looking for the original link: http://www.nasa.gov/feature/goddard/from-a-million-miles-awa...

It seems it would have sense to change the link to point to the NASA's article. Moderators?

At your service.

URL changed from http://phys.org/news/2015-08-million-miles-nasa-camera-moon.....

Re: From a million miles away, NASA camera shows moon crossing face of Earth

#9
Maybe as interesting is where this satellite is: The Lagrange L1 point. The 5 Lagrange points in essence allow orbiting bodies to break Kepler's laws. A satellite a million miles closer to the Sun shouldn't have the same orbital period as the Earth... but it does.

Re: From a million miles away, NASA camera shows moon crossing face of Earth

#10
post #2

Is this the real reflectance of the moon? Seems so dark. Usually we see the moon at night surrounded by night sky, which probably skews our perception of the real color of the surface material.

Yes, Earth's average albedo is around 0.3 while the Moon's is only around 0.12.

https://en.wikipedia.org/wiki/Albedo

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