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Questions tagged [the-moon]

Questions about Earth's Moon. Also for questions about spacecraft, manned missions, potential missions, etc. related to Earth's Moon.

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383 views

Moon atmosphere after long human presence

What might happen to the lunar atmosphere after a time of major human presence or activity on Earth's natural satellite? After hundreds of touchdowns and flyoffs and disturbances to environment?
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0answers
243 views

How do domes in lunar impact melts develop, and might they be hollow?

On the floors of young craters of the Moon, smoothly rounded domes are visible in some spots. Lalande crater has 4 of them, each around 200 m across. Here are less regular ones on the floor of ...
8
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0answers
185 views

Are the surfaces in permanent shadow in Moon craters 'fluffy'?

I was talking to someone who anticipated digging for water ice and other volatiles would be easy in these areas because Pete Schultz of the LCROSS science team described them as 'fluffy'. In this ...
7
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0answers
280 views

What makes materials on the Moon look so different when the sun is high?

The surface of the Moon looks very different in orbiter images taken at local noon than it does in images from other times. Here are two examples of the same places in Lalande Crater. In each image, ...
6
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0answers
32 views

What science data has been released from Chang'e 4?

Chang'e 4 was the first soft landing on the far side of the moon. What science data has been released from it? That is, in two parts: what science was done and of that, what data has been released to ...
6
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0answers
108 views

Was this the first-ever photo of a full moon very close to lunar new year?

Limiting the concept of "lunar new year" to "Chinese New Year" (since there are many lunar and lunisolar calendars, the latter of which the traditional Chinese one is a widely used example), is this ...
6
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0answers
184 views

Why does the Moon's Anaxagoras crater seem sort of jumbled?

Now that very high resolution imagery of the Moon's whole north, above 60oN, can be viewed on one giant awesome zoomable map, I've been taking a close look at a number of craters. Anaxagoras sticks ...
5
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0answers
74 views

Is Lunar Horizon Glow still a thing? Has the “dust settled” on the topic?

The title gets its inspiration from Is the Flyby Anomaly still a thing? but the topic is different. The Lunar Horizon Glow is a phenomenon observed by some of the Surveyor missions. While the Sun is ...
5
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0answers
147 views

Low energy cements for Mars and Callisto. Waterless cement for the Moon. Any good candidates?

In the non-polar regions of the Moon and Mercury there is a shortage of volatiles, including hydrogen and nitrogen, so they might be regaded as too valuable to be "wasted" to prepare concrete. ...
5
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0answers
120 views

Does NASA, or any other group, have any plans to directly explore caves on Mars or the moon?

The importance of Martian caves for life past and present, volatiles being trapped, and for future habitats would seem to put their exploration high on the list but I don't see any missions to do so. ...
4
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0answers
246 views

How will the Lunar Gateway go to L2 and L1?

In a talk to the press which can be heard in the YouTube video NASA Administrator Jim Bridenstine Explains the Lunar Gateway, NASA director Jim Bridenstine says after about ...
4
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0answers
131 views

What physiological effects did the Apollo astronauts experience due to the lower lunar gravity?

When humans are exposed to weightlessness they often experience space adaptation syndrome (similar to motion sickness). Also fluid redistribution to the upper body is nearly immediate causing bulging ...
4
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0answers
159 views

Pool on the Moon?

Hypothetical scenario: There is a dome on the moon containing an Olympic-size swimming pool. Our intrepid hero is receiving a scuba diving lesson at the bottom of the pool (3m) when a hull breach ...
4
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0answers
159 views

(What happened to the) Plans to visit and/or document sites of previous lunar landings? Are any active now?

There are a lot of (now historic) landing sites on the moon. You can see a great review of them in this answer to the question How many extraterrestrial bodies have hosted a “lander” which returned ...
4
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0answers
120 views

Why are so many Lunar Reconnaissance Orbiter images blank?

When downloading Lunar Reconnaissance Orbiter LRO NAC images from the website https://pilot.wr.usgs.gov/ a significant portion of them have no useful data -- they have a sort of plaid pattern. Does ...
3
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0answers
53 views

How do I calculate the Characteristic Energy for a rocket to Near Rectilinear Halo Orbit where the Deep Space Gateway is gonna orbit moon?

How do I calculate the Characteristic Energy for a rocket to Near Rectilinear Halo Orbit (NRHO) where the LOP-G or the Deep Space Gateway is going to be orbiting the moon? Or if someone already has a ...
3
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0answers
137 views

Revisiting moon landing sites?

Are there any current plans to return to the moon, preferably close to an existing landing site? After all, it seems like a sound scientific project given that there's talk of human colonization of ...
3
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0answers
53 views

What are the chances that the ISS transits the moon as seen from your house (or headquarters)?

In this answer I tried to do a simple probablistic estimate on the distribution of the ISS's ground track passes over Earth's equator. Recently there is a photo of the ISS passing over SpaceX ...
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0answers
196 views

Were the Apollo lunar ALSEP transmitter signals ever analyzed or used after the experiments were shut down?

This answer to the question Why were the “perfectly functioning” seismometers placed by Apollo 12, 14, 15 and 16 astronauts all shut off in 1977? links to a NASA News Release No: 77-47 dated September ...
2
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0answers
60 views

Why do countries or companies still bother sending landers/probes to the moon?

Countries like Israel, South Korea, or China most recently and companies like ispace have plans to send landers to the lunar surface. At least according to this list. Is it because there is little ...
2
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0answers
67 views

Would there be value in taking tardigrades on a Lunar mission?

China's Chang'e 4 mission recently initiated biological experiments on our moon. There's value in performing those experiments, of course. Now, I'd be curious to see how tardigrades do in the long ...
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0answers
26 views

Trajectory information for Ranger, Luna, and other early Lunar explorers

Is there a location where I can get remotely reliable information on the trajectories for the old Ranger, Luna, and other lunar explorers? I'm especially interested in the ones that flew by the Moon ...
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0answers
46 views

How bright would electrostatically suspended dust above the lunar surface be? Has it ever been measured?

@TomSpilker's answer mentions the potential effect of dust from the lunar regolith being slightly electrostatically levitated by the charge on the lunar surface induced by the solar wind on telescopic ...
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0answers
37 views

Which materials make up a Commercial Satellite?

I'm writing a story based on the premise that an already-existing moon base is used to mine, construct, and launch a bunch of commercial satellites to GTO (the lunar surface is way "closer" to GTO ...
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0answers
70 views

Are there “rover-friendly region maps” for the Moon?

Rover missions are hard - you need to put them down somewhere where they can safely drive around and measure (hopefully a variety of) interesting things. While there has been quite a laps in wheeled ...
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0answers
91 views

Besides mechanical failure, what other systems have failed/deteriorated on Yutu?

Yutu was ferried to Luna by way of Chang`e in December 2013 The Wikipedia article on the mission writes to say the mission duration for the lander, and rover were as follows. Lander: 1 Year Rover: 3 ...
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0answers
48 views

Can anyone find a more recent NASA paid for study on lunar tunnel-boring machine?

The one that I found is from May 5,1988 by Professor Stan Lowy Department of Aerospace Engineering Texas A M University https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19890008382.pdf https:/...
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0answers
41 views

NASA says Mars' soil has the nutrients for growing plants, how about the Moon?

Okey, that's not everything they said but I can't write everything in the title. NASA says Mars's soil has the nutrients for growing plants, though there may not be the right amount depending on where ...
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0answers
107 views

How would we make concrete on the Moon?

Bringing building materials to the moon would be costly. It would be better to just create materials on the Moon.
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0answers
86 views

Detection of micrometeoroid impacts on the lunar surface using thermal imaging?

For a student project we are looking into the possibility of detecting micrometeoroid (micrometer-size) impacts on the lunar surface with cubesats equipped with a thermal imaging device. We have found ...
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0answers
9 views

What is the most current, realistic plan we have for a moon base?

With all the news regarding SLS/Commercial Crew and the refocus on Moon then Mars, I was curious as to what we will actually be able to do with these upcoming launch capabilities. I'm familiar with ...
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0answers
63 views

Is post-X-prize Beresheet better than the X-prize candidate?

As mentioned in this question the total budget of the Lunar X-prize was about US \$30 million, and that included some other prizes beside the winner. However the budget of Beresheet post-X-prize ...
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0answers
176 views

How might the Lunar X Prize contestant spacecraft have navigated their descent from orbit, to landing?

EDIT: Please note the following items: The Mission Requirements for claiming the Grand or Second Place Prize include the following: Landing – A team must land its craft on the surface of ...