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Questions tagged [mars]

Questions about the science or exploration of the planet Mars.

7
votes
1answer
153 views

How reliable is HiRISE imagery as a source of knowledge about Mars?

This is a question at the nexus of image interpretation and methodology of planetary science. How can HiRISE images be used in confirming or refuting hypotheses about the past and present geology of ...
6
votes
3answers
2k views

Why are there no video transmissions from the Moon and Mars?

There is one new project, like Google Maps, which would be an online video transmission of the Earth's surface from a satellite: http://www.urthecast.com/ Another good one is a web cam situated on ...
11
votes
4answers
917 views

Does any country have real plans for a manned mission to Mars?

I'm curious as to whether or not any country has any real plans for a manned mission to Mars. Not a conceptual thing, but real, hard plans. If so, are there any specifics?
10
votes
1answer
433 views

Will the Mars Entomopter actually work?

Could a fixed wing entomopter with a wingspan of 2 meters actually fly in the Martian atmosphere? If so, could it reach a flight speed of over 250 mph in the thin atmosphere of Mars?
27
votes
3answers
2k views

What happens to defunct lunar and Mars rovers? What technological barriers prevent humanity from creating a perpetual rover?

What happens to defunct lunar and Mars rovers? What technological barriers prevent humanity from creating a perpetual rover with sun batteries or nuclear portable reactors for use on Mars, the Moon, ...
5
votes
1answer
6k views

Will colonists on Mars have enhanced physical mobility relative to an Earth-normal environment?

A Princess of Mars (1912) by Edgar Rice Burroughs in Chapter III describes this "superhuman leap" by the hero John Carter: My effort was crowned with a success which appalled me no less than it ...
12
votes
1answer
929 views

Does NASA have any plans for future Mars rovers after Curiosity?

Curiosity should last a very long time - up to around 14 years. My question is whether NASA has any plans for a Mars rovers after Curiosity. If so, are any specifics known?
14
votes
1answer
625 views

Are data we get from surface rovers accurate?

NASA have already sent several surface rover vehicles to the surface of planets, mostly to Mars. Just think about Curiosity. Compared to the fact that these rovers are remotely controlled and have ...
14
votes
1answer
1k views

Did the Viking landers detect life on Mars?

The two Viking landers had an experiment on board where they attempted to find life on the planet. The initial results said yes, there was life, but later there were questions raised about the results....
21
votes
3answers
11k views

Does Mars space suit have to be pressurized?

Various sci-fi movies treat Mars atmosphere differently, anywhere between "you just need oxygen rebreather" and "Your eyes will pop out and your head will explode". Meanwhile, I haven't seen any solid ...
16
votes
2answers
2k views

What are the disadvantages of parachute+airbag for atmospheric landing, versus rocket-based?

After Sojourner success, repeated by Spirit and Opportunity, it seemed like we had developed a fail-proof system for atmospheric landing for our probes: there's very little that can go wrong with the ...
0
votes
1answer
1k views

Is there night photos from rovers of Mars? Specially sky of Mars with two moons [closed]

Is there night photos from curiosity or early of mars's skies. Two moon on the sky. Photos from ground. From rovers. Like this: Not a 50px white circle on the black background. Like this: But ...
51
votes
4answers
15k views

Would terraforming Mars be possible?

Mars is a planet commonly brought up when talking about terraforming. Even if we were to manage to get past all economic barriers, and somehow form a thick atmosphere, would the lack of a magnetic ...
10
votes
3answers
3k views

Does Mars contain materials that could be used to build a space colony?

If a manned mission to mars was made with the hope of colonization, we would probably need to make many of our structures there out of materials found there - they would probably be simply too heavy ...
15
votes
4answers
8k views

Energy consumption for travelling to the Moon vs. to Mars

I just finished reading Clarke's "Prelude to Space". In chapter XXVII the character Taine gives a talk where he states It sounds paradoxical, but it's easier to make the forty-million-mile journey ...
15
votes
1answer
211 views

Why did the HiRISE camera team choose the wavelengths they did?

The HiRISE camera on the Mars Reconnaissance Orbiter has 3 color sensors, red (440-850nm), blue-green (400-600nm), and near-infrared (800-1000nm). Why these particular channels? Why not standard ...
15
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2answers
1k views

Which precious metals have been detected via samples taken from Earth's moon or Mars?

Have any of the rock samples (or meteors from Earth's moon or from Mars) provided a measurable amount of gold, silver, platinum or any other precious metals?
9
votes
2answers
4k views

What power source options provide reliable and sustainable power generation for a Martian Colony

In order to maintain a Colony on Mars, we will need to be able to provide consistent, safe, and sustainable power on the planet. The extremely cold temperature means that the need to maintain ...
16
votes
4answers
1k views

Is current state-of-the-art additive manufacturing (aka 3D printing) good enough to build parts out of Moon/Mars dust?

Additive manufacturing is currently being proposed as a way to greatly decrease the cost of establishing a permanent (robotic or human) presence on the Moon or Mars by sending only 3D printers to ...
17
votes
1answer
979 views

What problems led to the use of the Sky Crane system used by Curiosity?

We all know about the fancy 'sky crane' system used on NASA's Curiosity rover. The rockets slow the descent to 1 ½ mph and power a sideways parry to avoid the faster falling chute. As Sky Crane ...
32
votes
3answers
12k views

About how long will Curiosity last on its nuclear power?

Curiosity, we know, has no little nuclear reactor, it has a RTG. Great! But how long will it last? For how many years will our little 1-ton friend be roaming around another planet?
14
votes
1answer
682 views

How does NASA keep radiation from frying rovers?

I know that on Mars, radiation levels are quite high (turns out lack of an atmosphere does that). On the rovers that are sent to Mars, etc. How is radiation kept from playing havoc with the rover's ...
14
votes
2answers
1k views

What technological barriers, if any, prevent a manned mission to Mars at this time?

Is the technology currently in place to launch a manned mission to Mars (and is it thus just a resource constraint that's preventing such a mission from occurring), or are there still other ...