Pic of the Day: Afternoon on Mars

Started by Ford289HiPo, May 29, 2012, 02:42:53 PM

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Ford289HiPo

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Let's celebrate Memorial Day weekend a little bit early with this incredible late afternoon picture of a 14-mile wide crater on Mars that was just beamed back to NASA by the Mars Rover, Opportunity — which has been on Mars for a loooooong time; like, since 2004. That's nearly 3,000 Martian-days, according to NASA. Yes, Martian days. They're officially called sols, FYI.

Here's what NASA has to say:

The rover used the panoramic camera (Pancam) between about 4:30 and 5:00 p.m. local Mars time to record images taken through different filters and combined into this mosaic view.

Most of the component images were recorded during the 2,888th Martian day, or sol, of Opportunity's work on Mars (March 9, 2012). At that time, Opportunity was spending low-solar-energy weeks of the Martian winter at the Greeley Haven outcrop on the Cape York segment of Endeavour's western rim. In order to give the mosaic a rectangular aspect, some small parts of the edges of the mosaic and sky were filled in with parts of an image acquired earlier as part of a 360-degree panorama from the same location.

Opportunity has been studying the western rim of Endeavour Crater since arriving there in August 2011. This crater spans 14 miles (22 kilometers) in diameter, or about the same area as the city of Seattle. This is more than 20 times wider than Victoria Crater, the largest impact crater that Opportunity had previously examined. The interior basin of Endeavour is in the upper half of this view.

The mosaic combines about a dozen images taken through Pancam filters centered on wavelengths of 753 nanometers (near infrared), 535 nanometers (green) and 432 nanometers (violet). The view is presented in false color to make some differences between materials easier to see, such as the dark sandy ripples and dunes on the crater's distant floor.
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Ford289HiPo

Look at the Rover. It was made for a mission that was supposed to last 3 months. It going on 9 years now.
That is how equipment should be built!
Do cannibals refuse to eat clowns because they taste funny?

Solar

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tbone0106

What would happen if I grabbed that little joystick thingy? Just diddle around a bit with it?

Question #2: If the photo is presented in "false colors," what the heck color is it really?

Solar

Quote from: tbone0106 on May 29, 2012, 07:21:27 PM
What would happen if I grabbed that little joystick thingy? Just diddle around a bit with it?

Question #2: If the photo is presented in "false colors," what the heck color is it really?
Rust, seriously.
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tbone0106

Quote from: Solar on May 29, 2012, 08:36:20 PM
Rust, seriously.
Doesn't rust -- some form of iron oxide -- require oxygen?

taxed

Quote from: tbone0106 on May 29, 2012, 08:50:49 PM
Doesn't rust -- some form of iron oxide -- require oxygen?

Is there not oxygen on Mars?
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tbone0106

Quote from: taxed on May 29, 2012, 09:14:58 PM
Is there not oxygen on Mars?
There is, but almost all of it is bound up in carbon dioxide, which is a little over 95% of the atmosphere. One site I checked, here: http://www.universetoday.com/22587/atmosphere-of-mars/ says that there's free oxygen in trace amounts. Also, "rust" as we know it forms in the presence of moisture, that is water. There ain't none of that on Mars as far as anyone knows.

Besides, rust forms on iron and other ferrous metals. There is no freakin' way that a Mars probe shot from here was made of iron or steel.

taxed

Quote from: tbone0106 on May 29, 2012, 09:23:48 PM
There is, but almost all of it is bound up in carbon dioxide, which is a little over 95% of the atmosphere. One site I checked, here: http://www.universetoday.com/22587/atmosphere-of-mars/ says that there's free oxygen in trace amounts. Also, "rust" as we know it forms in the presence of moisture, that is water. There ain't none of that on Mars as far as anyone knows.

Besides, rust forms on iron and other ferrous metals. There is no freakin' way that a Mars probe shot from here was made of iron or steel.

I think they believe there is water on Mars...
http://www.reuters.com/article/2011/08/04/us-mars-water-idUSTRE7736PY20110804

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Solar

Quote from: tbone0106 on May 29, 2012, 08:50:49 PM
Doesn't rust -- some form of iron oxide -- require oxygen?
That's the color, but only because of the atmosphere from what I understand.
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Solar

Quote from: tbone0106 on May 29, 2012, 09:23:48 PM
There is, but almost all of it is bound up in carbon dioxide, which is a little over 95% of the atmosphere. One site I checked, here: http://www.universetoday.com/22587/atmosphere-of-mars/ says that there's free oxygen in trace amounts. Also, "rust" as we know it forms in the presence of moisture, that is water. There ain't none of that on Mars as far as anyone knows.

Besides, rust forms on iron and other ferrous metals. There is no freakin' way that a Mars probe shot from here was made of iron or steel.
As Taxed pointed out, there is a lot of water on Mars frozen just below the surface.
They think they can eventually settle a base on Mars in a crater utilizing the ice in some of the craters.
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Ford289HiPo

Quote from: tbone0106 on May 29, 2012, 07:21:27 PM
What would happen if I grabbed that little joystick thingy? Just diddle around a bit with it?

Question #2: If the photo is presented in "false colors," what the heck color is it really?
If you just "diddled" the joystick a little, you would probably.....uh......... :blink:
Oh, forget it :scared: Just DON'T diddle the joystick!

Answer 2: Red.

Answer to question 3: I dunno.
Do cannibals refuse to eat clowns because they taste funny?