Planet Earth observed through telescope orbiting Mars

Space Flight Now ^ | Jan 10, 2017 | Stephen Clark

[Ray76]

One of NASA’s satellites orbiting Mars has looked back home to record a Martians-eye view of the Earth and moon from 127 million miles (205 million kilometers) across the solar system.

[KSCITYBOY]

When did earth start orbiting Mars.

[laxcoach]

very cool. thanks for posting

[Ray76]

Shhh. That’s top secret.

[fwdude]

Has anyone ever considered that the universe orbits earth after all? I mean, what’s the point of reference? Isn’t that the pertinent fact? Why can’t we consider the Earth fixed and all of creation “orbiting” our planet, more or less?

[Paladin2]

What scientific benefit comes from this use of expensive hardware sent to study MArs?

Social Science - what Martians see of the heavens?

[dp0622]

They look so insignificant compared to the stars you can see at night in a rural area.

Plus I can’t see any people on it :)

[Calvin Locke]

That’s a bit better photo than the one from the Mars Curiosity Rover. /s

[Ray76]

According to the article the images were captured during camera calibration.

[Maceman]

Earth seen from Martian ground:

[fruser1]

My hair looks like a mess, as usual.

[NohSpinZone]

Look at all that global warming. /sarc

[Ray76]

Thanks.

[Gamecock]

Very cool!

[Ray76]

That’s how other planets appear from earth.

[Paladin2]

"Image analysts combined separate exposures of Earth and the moon for clarity and brightness, then combined the results into a single image. The moon appears darker than Earth, so a single exposure set to resolve Earth would result in a much dimmer moon."

Fake Science then....

[Boogieman]

“I mean, what’s the point of reference? Isn’t that the pertinent fact? Why can’t we consider the Earth fixed and all of creation “orbiting” our planet, more or less?”

According to relativity, there is no universal frame of reference. You can pick whatever frame of reference is convenient for your purposes, as long as you are consistent.

So it’s no more correct to say that the earth revolves around the sun than it is to say the sun revolves around the earth. Either one can be true, depending on the frame of reference you choose.

[Flag_This]

[RegulatorCountry]

Back to elementary school, for whomever is responsible for that garbled headline.

[dfwgator]

18 posts?!?!? Really!?!?!?