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Curiosity photographs Earth from Mars


Posted on Saturday, 8 February, 2014 | Comment icon 26 comments

The pale blue dot as seen from Mars. Image Credit: NASA
The rover has taken a picture to show what Earth looks like from more than 100 million miles away.
From Mars, our vibrant world of blue and green is reduced to little more than a spec in the sky, barely distinguishable from the stars. Curiosity took the poignant image during its 529th day exploring the Red Planet. "Look back in wonder," it Tweeted. "My 1st picture of Earth from the surface of Mars."

The photograph echoes the famous "pale blue dot" image taken of Earth by the Voyager 1 spacecraft back in 1990. The probe had completed its primary objectives and was on its way towards the edge of the solar system when legendary astrophysicist Carl Sagan requested that it be turned around to take a picture of our home planet from across a vast expanse of space.

"It has been said that astronomy is a humbling and character-building experience," he wrote. "There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, it underscores our responsibility to deal more kindly with one another, and to preserve and cherish the pale blue dot, the only home we've ever known."

Source: Independent | Comments (26)

Tags: Curiosity, Mars

Recent comments on this story
Comment icon #17 Posted by taniwha on 10 February, 2014, 1:54
Hey Waspie, I don't want to nit-pick but the main page of UM (not the forum) says, "The rover has taken a picture to show what Earth looks like from more than 100 million miles away." That's way over an AU, which can't be right. It must be in kilometres. I don't know who to contact to correct this. You could probably fix this quicker. Lets face it, its hard to mentally image the distance to the planets or even the clouds given an Earthbound perspective. Here is a handy tool I found just the other day. Eliminates guess work and helps you surf the solar system. Once in, click the top left icon a... [More]
Comment icon #18 Posted by taniwha on 10 February, 2014, 2:05
P.S. Using the model I just rewound Earth orbit to Jan 31 2014 the supposed time of the Mars photo and discovered the distance meter between Earth and Mars was registering 1.06 Au. . This corresponds neatly to the news articles claim of 99 million miles. P.P.S Just worked out the calender feature. Choose the exact date and time anywhere between 1900 AD and 2100 AD that you wish to observe the solar system.
Comment icon #19 Posted by joc on 10 February, 2014, 2:14
I never really thought about how the Earth would look from another planet. I suppose that is because I have never wondered what we would look like to Martians...because there aren't any Martians...but now...there is an Alien Earthling observing us from Mars. That is very interesting!
Comment icon #20 Posted by pallidin on 10 February, 2014, 4:35
If you look really close, you can see me waving.
Comment icon #21 Posted by Calibeliever on 10 February, 2014, 16:51
Great, now I have "Big Blue Marble in Space" from Schoolhouse Rock stuck in my head. Cool pic tho.
Comment icon #22 Posted by TheGreatBeliever on 12 February, 2014, 6:32
How do they control curiosity when its millions of miles away?
Comment icon #23 Posted by TheGreatBeliever on 12 February, 2014, 10:09
Sometimes i really wonder wat is at the other end of the universe..
Comment icon #24 Posted by Waspie_Dwarf on 13 February, 2014, 13:14
How do they control curiosity when its millions of miles away? In these days of global telecommunications, cheap computers, pilotless drones and driverless cars I find it surprising, even a little shocking that someone even needs to ask this question. Since the question has been asked... Instruction are transmitted to Curiosity via the huge antennae of NASA's Deep Space Network. These will tell the rover where NASA wants it to drive too. Curiosity will use it's navigation cameras to surveyor the route, looking for obstacles. It's on-board computers will command it to avoid anything it perceive... [More]
Comment icon #25 Posted by SkeptcByMindBelievrByHeart on 16 February, 2014, 11:34
That is a Epson scanned copy of a real photo, And the person forgot to wipe a cookie crum
Comment icon #26 Posted by Eldorado on 20 February, 2014, 14:03
Source : http://www.stellarium.org/en/ (a must have, btw) Have you tried Celestia? http://sourceforge.net/projects/celestia/?source=directory


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