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Questions tagged [mars]

Questions about the science or exploration of the planet Mars.

2
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1answer
66 views

Has the HP$^3$ on the Insight lander actually a probe to detect water and ice in the subsurface of Mars?

The Heat Flow and Physical Properties Package (HP$^3$) is a science instrument onboard the Insight lander that features a self-penetrating probe to determine how heat flows inside Mars. Nicknamed "the ...
2
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0answers
32 views

Mars “bus” shuttle between Earth and Mars [duplicate]

I've had no thoughts on a Mars mission for some time, but after watching the documentary on Mars One (which is think is not an option specifically to go to Mars and not return), I began going through ...
4
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2answers
112 views

Why are there no methane detectors with “the mole” of the Insight lander?

A possible geophysical source of methane on Mars could be ancient methane trapped in clathrate hydrates in the subsurface that may be released occasionally. In a not secured (!) article of ESA about ...
17
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1answer
2k views

Brushing clean a Mars lander's solar panels

A comment by SF. regarding the InSight Mars lander caught my attention: I really, really wonder why they didn't just include a small compartment with a duster brush grippable by the robotic arm. ...
9
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2answers
295 views

Could InSight lift off and move somewhere else?

InSight used its built-in thrusters for the final stretch of the Entry, Descent and Landing, and the thrusters seem to still be attached. Would it have been at all possible for InSight to lift off ...
6
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1answer
199 views

How do the Mars rovers sleep through the night on Mars?

With reference to Mark Adler's response regarding to Curiosity rover (MSL) on this great & interesting question, this statement strongly caught my attention: The rovers are designed to be ...
3
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1answer
109 views

Has NASA thought about a hub on Mars, where rovers could branch out of?

When watching the insight landing I saw this map: Now all these missions had to have their own power supply(and more). Why did NASA not send up a kind of energy hub that is fixed where multiple ...
9
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2answers
3k views

Why is so much of InSight visible in this image?

It seems really strange to me that there is so little visible of the surface in this image, it mostly appears to be the deck of InSight. Why is so little visible?
22
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4answers
6k views

Is Quantum Entanglement technology possible for interplanetary communication in future to achieve low real-time latency?

There is a small debate over the comment session in NASA Lands InSight on Mars video uploaded by JPL. The 1 minute and a half video is about the essential part of InSight's EDL event cropped out from ...
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0answers
110 views

How large are the advantages to building a Martian spaceport on Olympus Mons? What are the disadvantages?

There are several questions and answers here about a potential advantage to launching from substantially higher altitudes, usually the answers are that while indeed there is some advantage, it is ...
2
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1answer
81 views

Why does the SEIS require a bellows type wind cover?

The Seismic Experiment for Interior Structure probe onboard the Insight lander is meant to measure subtle seismic events on Martian surface. In order to reduce the noise induced by wind, a protective ...
10
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3answers
1k views

Won't the heat sensor probe interfere with the seismometer?

I've read that the Mars InSight Seismometer will be deployed before the HP3 probe. Won't the digging interfere with the seismometer? Or the shock produced will be small enough to be dissipated by the ...
20
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3answers
6k views

Can Curiosity pay InSight a visit?

InSight landed “just” 600 kilometers from Curiosity’s landing site. Can Curiosity make its way there for a rendezvous? Are there any plans for this?
2
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0answers
127 views

How many sundials on Mars?

According to https://www.seis-insight.eu/en/public-2/seis-instrument/rweb Sundial Around the handle is a small sundial, which enables geophysicists to estimate the azimuth— i.e. the ...
5
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2answers
229 views

Is it appropriate to use the term “geology” for Martian studies?

Jargons like geology, geophysics, geothermal has its origin in and has strong connections with Earth. Other jargons like the closet point and farthest point of an orbit to a heavenly body get ...
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0answers
44 views

Why are the heat sensor probes in HP3 probe spaced with reducing gap with depth?

The HP3 probe used for studying the geothermal features of Martian surface, hammers upto 5m deep and inserts a tether lined with heat sensor probes. This link shared earlier by @uhoh, is an ...
3
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2answers
588 views

Why was MarCO-B CubeSats flying away after InSight landed?

Farewell to Mars November 26, 2018 MarCO-B, one of the experimental Mars Cube One (MarCO) CubeSats, took this image of Mars from about 4,700 miles (6,000 kilometers) away during its flyby of ...
0
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1answer
219 views

How long was the trip from Earth to Mars for Insight?

How long was the trip from Earth to Mars for Insight from blastoff to landing?
4
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1answer
483 views

What is the history behind having peanuts in mission control during critical missions?

The InSight mission livestream showed a jar of peanuts with what appears to be the MarCO logo. Why is was this a significant shot in the livestream? Is there history behind this?
11
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3answers
2k views

What will become of the two cubesats deployed as part of the Insight mission?

So as part of the Insight mission, two Cubesats were also launched to relay data during landing (so data can be obtained if something goes wrong) What becomes of these satellites once their primary ...
35
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3answers
6k views

Why was it necessary to program InSight with an ability to land in dust storms?

If the entire event of EDL (Entry - Descent - Landing) is going to take only 7 minutes and if the command to begin could be signalled based on ground weather conditions, why was it necessary to take ...
5
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1answer
71 views

Is the payload HP3, onboard the InSight a single use instrument?

InSight's HP3 probe is meant to drill deep into Martian soil. And the depth of reach is determined by whether there is a rocky layer underneath or not. If it's loose soil all the way down, merrier it ...
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0answers
56 views

Long term survival at Tranquility base? [closed]

What are the current estimates for the likelihood for a human to survive one year on a true Moon-base (first) vs a Mars-base (first), and what role are such estimates playing in NASA's decision to ...
16
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3answers
4k views

Could “live” video be transmitted from Mars?

With the approach of InSight to Mars today, and the two cubesats watching it, much is being made about seeing "Live Video" from the cubesats. I'm pretty sure that simply can't happen, but I'm ...
14
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3answers
2k views

What happens to Insight's parachute on Mars?

All of the animations I see show the heat shield detaching and falling to the ground, then Insight detaching and landing. There is no information about what happens with the upper part of the heat ...
4
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1answer
99 views

How do Mars spacecraft control attitude on final descent and landing?

When I watch videos of probes landing on Mars after cutting the parachutes off, they show the lander doing final orientation adjustments before touching down. The engines don't seem to have a ...
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0answers
55 views

How was InSight's vertical seismometer (accelerometer) tested in Earth's stronger gravity?

The BBC article InSight Diary: The silence of space tells an interesting story and has an interesting audio recording of InSight's seismometer signals sped up to audio frequency, made while in ...
7
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3answers
1k views

Why didn't NASA use the “Sky Crane” method for landing the InSight mission on Mars?

The "Sky Crane" was able to land Curiosity on Mars which weighs about 900 kg. The InSight lander weighs about 358 kg. Why was a new landing method designed, instead of re-using all components of a ...
5
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2answers
97 views

How does a Mars lander reach a chosen landing site?

I see lots of questions how landing sites are chosen, but none so far how these landing sites are reached. It already looks like magic how the target planet can be reached at all, but when are ...
3
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0answers
47 views

What are the tradeoffs of circularly unfurling solar panel over linearly deploying solar panels?

Martian landers like Phoenix and Insight uses circularly unfurling solar panels. The regular satellites make use of linearly unfurling panels. What are the primary reasons why linear unfurling ...
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0answers
63 views

Why are InSight's two RISE horns pointed slightly south of east, and north of west?

@karthikeyan's excellent answer links to The Rotation and Interior Structure Experiment on the InSight Mission to Mars (Folkner, W.M., Dehant, V., Le Maistre, S. et al. Space Sci Rev (2018) 214: 100. ...
1
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1answer
236 views

During its final descent, how will the InSight lander know cardinal directions in order to land with proper orientation?

As explained in @karthikeyan's answer the InSight lander will rely upon its landing system to orient the lander properly, so that once on the ground instruments such as the RISE antennas will be ...
2
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1answer
135 views

How will InSight's RISE antennas end up pointed in the right direction?

The rendering of InSight shows the RISE antennas, the two microwave horns pointed just above the horizontal over each of the solar array paddles. If I understand correctly the experiment works when ...
6
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1answer
180 views

How accurate is the following claim about NASA, from the movie Martian?

Teddy, Director of NASA and Vincent Kapoor has the following discussion about getting satellites above Ares 3 landing site. TEDDY: We’re a public domain organization. We have to be transparent ...
3
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1answer
118 views

InSight's Mars touchdown on 26th November 2018

According to information on Mars InSight Mission official website, InSight is set to land on November 26 at approximately 15:00 EST (excluding pre & post-landing news conference). I am staying in ...
6
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4answers
2k views

How could InSight's seismometers be intentionally and meaningfully “pinged”?

I had a friend whose summer job, a long long time ago, was to travel around an unsuspecting rural area, lay a heavy steel plate on the ground, and whack the plate with a sledge hammer. Apparently he ...
0
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0answers
101 views

What would happen if an astronaut walked on mars without a spacesuit i.e. wearing just earth clothes? [duplicate]

Which will happen first: Would she die due to lack of oxygen/suffocation or due to lack of pressure/boiling bodily fluids?
2
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2answers
65 views

How to calculate velocity components of a point on Mars surface w.r.t. Mars center?

I found altitude, speed and acceleration data of old mission Phoenix during EDL phase, but they are referred to Mars c.o.g. rather than to ground or to landing site: Position and velocity (...
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0answers
32 views

How does the color of the atmosphere differ on Mars? Does the sky during sunset on Mars look just like midday?

Higher frequency light wavelengths (blue) absorb more in our atmosphere. At sunset, light must travel farther to reach the observer, so more blue light is scattered and the sun/sky appears orange and ...
1
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1answer
88 views

How to create a map of a certain area of Mars?

I am trying to create a personalised Google Maps style map of a certain portion of Mars! that will show three specific locations. Namely (a) Gale Crater (b) Hebrus Valles and (c) Valles Marineris. ...
12
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2answers
196 views

Is there an end-of-life policy for Martian satellites?

When a terrestrial satellite nears the end of its useful life, it is often de-orbited to burn up in the atmosphere or sent up into a graveyard orbit. This is done to prevent the satellite from being ...
3
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1answer
303 views

Martian Carbon Dioxide Turbine Oxygen Generator

How much solid Carbon Dioxide can be collected in a container with the top of the container level with the ground during a Martian Winter? At the end of the winter with the container ideally full ...
7
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2answers
219 views

If I wanted to try to terraform Mars, who would have the authority to stop me?

Let’s say hypothetically I could fund a rocket ship and pack it with lots of biomaterial. Biomaterial that would hopefully survive the impact, reproduce and potentially alter the atmosphere of Mars. ...
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3answers
4k views

Will there be live HD television from Mars with the Mars 2020 mission?

Is it known if live HD television from Mars would be possible with the Mars 2020 rover mission and if an extra channel would be possible just for relaying HD TV to make live broadcasts possible ? ...
39
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6answers
12k views

How can a Mars helicopter be autonomous if there isn't a Martian GPS?

For a drone to be autonomous, it needs something like a GPS to be able to navigate. If it doesn't have GPS, you'd have to manually control it. Do the orbiters provide something like GPS then? I ...
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0answers
63 views

What would happen if an astronaut took off their helmet on mars? [duplicate]

Would lack of oxygen/suffocation or lack of pressure/blood or body fluids boiling kill her first?
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0answers
48 views

Is it possible to restart life Mars? [duplicate]

I have learnt that the reason for no life existing on Mars was due to absence of a magnetic field strong enough to ward off incoming solar radiation. We could just instate an artificial one if that ...
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2answers
65 views

Terraforming Mars - would Mars lose its water?

If we were to terraform Mars would Mars slowly lose its water i.e., some of the water would sink deep into the dry Martian crust or combine with other elements in the soil? Mars has been dry for ...
1
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1answer
48 views

How will “InSight's onboard communications gear perform a radio-science experiment to shed further light on Mars' innards?” (Space.com)

The Space.com article How NASA Mars Lander's 'Steampunk' Claw Will Work (Video) says: InSight's mission aims to provide a detailed look at Mars' interior structure and composition. The lander ...
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0answers
55 views

Would the atmosphere of Mars become less dusty if the ice deposit in Utopia Planitia could be uncovered?

In 2016 a large ice deposit has been found within the Utopia Planitia region on Mars by the SHARAD instrument on board of the Mars Reconnaissance Orbiter. The thickness of the deposit ranges from 80 ...