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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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Would current computer technology have made the Moon landings any easier?

A few days ago a group of us were discussing the Moon landings (specifically the Apollo programme). Whilst this in itself was incredibly impressive we thought it was particularly impressive given the ...
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Will NASA put astronauts into a polar lunar obit? If so, how?

The NASA news item New Space Policy Directive Calls for Human Expansion Across Solar System says: New Space Policy Directive Calls for Human Expansion Across Solar System and the administration is ...
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What is the connection (if any) between the new Artemis mission and the two Artemis spacecraft (Themis-B, -C)?

It has been announced that the culmination of Space Policy Directive 1, the goal to land Americans and specifically the first woman on the Moon, at it's south pole in 2024 will be called "Artemis". ...
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3answers
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Why does Blue Origin want to go to the moon?

Jeff Bezos's Blue Origin released their first moon lander, Blue Moon. Have Blue Origin published anything about their reasons for going to the moon?
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1answer
297 views

Agena docking and RCS Brakes in First Man

In the movie, First Man, Neil Armstrong and his colleague David Scott, as part of the Gemini 8 program, attempt to dock with the Agena but it turns out to be disastrous as they go into a continuous ...
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1answer
89 views

Long, low mass data transfer wire options

does anyone have any suggestions for wired communications over long distances on the Lunar surface? The maximum length would need to be around 1km. Distributors like Gore and Axon make great ...
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100 views

At what surface gravity can't astronauts do full steps anymore?

We know that on the Moon in ~1/6 g the Apollo astronauts couldn't make full steps because they jumped with each step. At what surface gravity could you walk more like on Earth and at what gravity ...
7
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1answer
104 views

Carbon sources on the Moon?

In the answer to this question it is pointed out that while lunar soil may provide nutrients for plants, water and carbon dioxide are also needed. Water seems to be available, but how could there be ...
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174 views

How would a body be stored in a dark hole in the moon?

How well would the human body stay preserved if it was frozen while pressurized and vacuum sealed before being placed in a crater on the Moon? Would the temperature be more reliably stable on the moon ...
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2answers
153 views

What is the lowest latency achievable in reliable Earth - Moon communications?

I know that radio waves travel at the speed of light in vacuum so the minimal latency to communicate between Earth and Moon would be about 1.25 second each way. This latency figure will then increase ...
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2answers
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Can we see the USA flag on the Moon from Earth? [duplicate]

Is it possible one day to see landing site flags on the Moon from Earth or from space without having to land using a telescope as technology progresses? Highly Related: Were the Apollo lunar ...
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2answers
261 views

Do we know why communications with Beresheet and NASA were lost during the attempted landing of the Moon lander?

I was watching the livestream of the SpaceIL team when they were attempting to land Beresheet on the Moon. As near as I can remember, at around an altitude of 15km above the surface, the SpaceIL ...
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How large of a mirror would be needed to warm Titan up?

How large of a mirror would be needed to warm Titan up to ~290K? Paul Birch in his paper "Terroforming Mars Quickly" calculated a mirror size of: Support Mirror: 2.5 x 10^7m radius 3x 105m wide ...
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1answer
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ELI5: Why do they say that Israel would have been the fourth country to land a spacecraft on the Moon and why do they call it low cost?

In the news they say that Israel hoped to become the fourth country to land a spacecraft on the Moon. Only government space agencies from the former Soviet Union, the US and China have made ...
5
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1answer
102 views

Going to the Lunar gateway during the upcoming solar maximum! What will the radiation environment be like?

EarthSky.org's What will the sun do next? says: On December 6, 2018, the Center of Excellence in Space Sciences India (CESSI) reported that two of its scientists have made a prediction for the ...
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1answer
129 views

Can you really melt lunar regolith with microwaves?

This answer links to the 2008 Phys.org article with the catchy title NASA's dirty secret: Moon dust. The article says: Luckily, lunar dust is also susceptible to magnets. Tiny specks of metallic ...
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2answers
717 views

How thick does lunar regolith ever get? Has the thickness been measured and mapped by satellite?

Discussion in comments below the question Couldn't we just clear away the Moon Dust? have lead me to wonder if thickness of the lunar regolith is fairly well mapped by some combination of high ...
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308 views

Couldn't we just clear away the Moon Dust?

I read that "Moon Dust" is ranked by NASA as the number one challenge to building a permanent lunar base. Wouldn't it be possible, though, to send some type of lunar excavators to clear a large zone ...
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4answers
126 views

Is GEO redundant (Geo- and Earth)? Would we call a Lunasychronous Lunar orbit LLO?

I think the title of the question Is it possible to establish a synchronous lunar orbit without using Lagrange points? is absolutely clear; it's an orbit around the Moon that is synchronous to the ...
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1answer
76 views

Is it possible to establish a synchronous lunar orbit without using Lagrange points? [closed]

I find this interesting, and so far haven't found anything in an internet search.
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1answer
160 views

Is there a crewed moon lander currently in the works

Recently, the US vice president directed NASA to land astronauts on the moon within the next 5 years [source]. While there are big rockets (SLS, Falcon Heavy, etc.), and crew capsules (Orion, Crew ...
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2answers
241 views

Has NASA “gone south”? Why are astronauts needed to explore the Moon's south pole?

Wired: Why America Wants to Send Astronauts to The Moon's South Pole “Before we put boots on the ground at the poles, we urgently need a robotic water ice prospecting mission to the lunar poles,” ...
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What is the state of current plans for a permanent 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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1answer
122 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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3answers
170 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 ...
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1answer
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Why is Beresheet doing a only a one-way trip?

Why is the SpaceIL Lunar Lander doing a one-way trip? Is that a common project to do nowadays, to send landers to Mars and the Moon without returning them?
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0answers
87 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 ...
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1answer
94 views

Why is there no exosphere demonstrating moon dust and particles in the Apollo footage?

I have read dust levitates on the moon's surface extending to 100 miles in the sky (horizon) creating an exosphere. Dust levitates because the surface of the moon and dust particles have become ...
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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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1answer
45 views

How to extract coordinates of an LROC Image?

How can I extract the coordinates from an existing LROC image to search for that area in the LRO Image Search Tool? What coordinates should I enter in this example? http://wms.lroc.asu.edu/lroc/...
3
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1answer
177 views

What Apollo equipment could be salvaged from the Moon?

If humans returned to the original Apollo landing sites, what previously left-behind equipment could reasonably be salvaged as part of a future mission or colony? That is, is everything that was left ...
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2answers
81 views

Capture protons from solar wind

Could it be possible ( using a reasonable amount of energy and ressources ) to capture protons from solar wind on (ex. the moon) in order to produce water for a long term self-sufficient mission. The ...
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2answers
436 views

Tracking SpaceIL Beresheet Moon lander

Does anybody know if Beresheet orbital data are available on NASA Horizons? Some bodies are listed by reference number, with no name: https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&...
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2answers
211 views

How SpaceIL Beresheet gets to Moon from GTO?

GTO is an orbit which has its main axis in the plane of Earth's equator. Moon orbit has a different plane. This means until GTO main axis isn't on the intersection of equator and Moon orbit, you can't ...
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61 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 ...
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1answer
87 views

Would it be possible to reach Mars using the same fuel-saving method SpaceIL's Beresheet is using?

A few minutes before SpaceIL's Beresheet spacecraft was launched into space, Israeli prime minister Netanyahu congratulated SpaceIL and all those involved and said: "We are already waiting for you to ...
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1answer
224 views

What joints of Apollo 17 space suits did moon dust get into, making the astronauts arms difficult to move?

At about 02:45 the Curious Droid video Apollo, the Lunar Dust and NASA's Dirty Problem says: During Apollo 17, crew members Harrison “Jack” Schmitt and Gene ...
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1answer
125 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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1answer
118 views

Which are the reasons for wanting to have a colony in Mars first than in the Moon?

As far as I understand, (correct me if I'm wrong) one of the reasons for wanting a colony in Mars is for the possibility in the future of having a space port where rockets could leave the planet ...
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2answers
291 views

Why is the earth so small when observed from the moon?

I recently discovered the pictures from DSCOVR taken at the Lunar Transit in 2016. The earth appears very massive behind the moon, which is a little unintuitive if you consider how small it is when ...
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0answers
116 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 ...
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3answers
721 views

Apollo Missions - Travel time to moon [duplicate]

I must be missing something - escape velocity is about 25,000mph. The distance to the moon about 240,000 miles. That computes to about a 9 hour flight. Why did it take 3 days for Apollo missions to ...
2
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1answer
115 views

Is any feature of the Moon protected?

Perhaps this seems trivial, since it may not directly affect our planet, but if we ever colonize the Moon and mine its resources, the trace of human devastation will change sooner or later the surface ...
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1answer
100 views

What are NASA's dozen payloads for the Moon that will be ready for launch by the end this year? (2019)

Ars Technicha's NASA emphasizing “speed” in its return to the Moon says: The leader of NASA's scientific programs, Thomas Zurbuchen, said this program was designed with speed in mind, and it would ...
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1answer
231 views

What did JPL's 1939 lunar lander look like and what practical aspects of landing on the Moon did this engineering design address?

According to Wikipedia's Jet Propulsion Laboratory: During JPL's Army years, the laboratory developed two deployed weapon systems, the MGM-5 Corporal and MGM-29 Sergeant intermediate range ...
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2answers
192 views

How soon after “The Eagle” landed did they first attempt to bounce a laser off the Moon? When did it first succeed?

The question When did Houston figure out where the Eagle had landed? says (in part): During Apollo 11's stay on the surface, Michael Collins was given seven different locations to look for the ...
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3answers
3k views

Could Hubble observe the night side of the Moon?

IIUC the Hubble space telescope cannot observe the Sun lit side of the Moon. And Hubble is never pointed closer than 90 degrees towards the Sun. But this still allows for observing the night side of ...
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1answer
234 views

Asteroid impact on the Moon: which effects cause the flash?

It is most likely that there was an impact on the Moon during yesterday's lunar eclipse. I am trying to get some more understanding of this so that I could maybe do a more detailed video on this ...
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3answers
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How did Lunokhod 1 become “lost” in 1971; in what ways did astronomers “look for it” after that?

The Smithsonian Magazine article Lost Soviet Reflector Found on the Moon says: There are actually five retroreflectors on the Moon: three placed by Apollo astronauts and two that sit atop Soviet ...
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1answer
62 views

Luna artificial satellite eclipses

Have we been able to see the shadow on the Moon's surface of any artificial satellites that orbit the Moon?