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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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1answer
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How did humans grow plants on the Moon despite the harsh conditions?

The Chang'e 4 lander contains seeds to grow plants on the Moon. The Moon has non-sustainable life conditions. Among those are the lack of water, atmosphere, the varying extreme temperatures, the low ...
3
votes
1answer
71 views

Where is that lunar-grown cotton seed sprout?

Most of us have seen this picture of the cotton seed currently sprouting inside a Chinese lander on the far side of the moon: Source The image shows see a plastic grid with a gelatinous overlay of ...
16
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4answers
7k views

Could colonizing Moon dangerously affect its gravity?

If we colonized Moon it would mean we are moving matter from Earth to Moon. Since Moon is much smaller than Earth could these changes somehow affect its trajectory/movement to the point we could ...
13
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2answers
3k views

What was this Ziploc bag used for on an Apollo 14 moonwalk?

And how the heck would an astronaut have opened it with his gloves on? Is that bag likely to still be there in good condition, or would it have been broken down by radiation by now? Was it normal to ...
22
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2answers
6k views

Why did the Chinese send flies and plants to the far side of the moon?

The Chinese space craft that just landed on the moon had a tube with a biosphere in with flies and plants. What are they expecting to learn? Didn't we already experiment that on the ISS? Source ...
6
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2answers
546 views

Where/how do I view the Chang'e 2 lunar map?

"In February 2012, the Chinese government released a complete lunar map constructed from Chang'e 2's data, claiming that it was the highest-resolution map of the entire Moon yet recorded." Source: ...
3
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2answers
60 views

Do moon rovers on near side need a relay communication satellite?

Wikipedia says direct communication is not possible from the far side of the moon. So I'm guessing it should be possible for the satellite to communicate directly without relay satellite from the near ...
4
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2answers
99 views

How to communicate with a lunar polar mission?

We can easily communicate with a spacecraft on the Moon on the near side. The Far Side allows for a L2 halo communication relay satellite easily enough. How would a polar mission communicate with ...
9
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3answers
2k views

Is it ethical for Chang'e-4 to bring an entire ecosystem to the moon? [on hold]

As far as I know, it isn't ethical to contaminate outer space with life from Earth, because then we will never be sure if life can actually grow there. However, I just read reports that the latest ...
1
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1answer
674 views

Does China have the most aggressive moon exploration plan as of 2013?

China is launching a rover to the moon this year, with more launches and returning samples coming soon. They also plan to have humans on the moon within the next decade. The Moon offers many ...
21
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2answers
6k views

Why did China land a rover on the moon?

Why did China land the Chang’e-4 rover on the moon? What was it supposed to accomplish or explore?
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3answers
172 views

Why are the rovers finding the long Lunar night difficult to overcome?

Compared to Martian nights, Lunar nights are long and cold. This has posed a lot of challenges in the past. What specific challenges does long duration night pose? What are the methods to over come? ...
3
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1answer
88 views

How often does a geostationary satellite enter into a Lunar shadow?

Is there a chance for the many geostationary satellites to enter into the moon’s shadow? If so, how frequently do such eclipses happen and how long do they typically last? Are such eclipses pre-...
3
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2answers
113 views

Did Apollo's velocity slow down after TLI due to Earth's gravity?

I assume Apollo's velocity slowed down after it left Earth orbit, for how long was it decelerating. Did it start accelerating as it approached the Moon. What was the rate of deceleration due to ...
0
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1answer
87 views

Lunar module on the moon [duplicate]

I understand that a lunar day is about 13 & half earth days, and so also the lunar night. Since there is no atmosphere on moon, the surface temperature during "lunar day" reaches upto +127 degree ...
2
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2answers
166 views

Colors of the Moon totally different in the pictures taken by Chang'e-4 in comparison with the Apollo photos. Why?

None of the pictures taken by Chang'e-4 Chinese lunar probe (see the attached images) in January 2019 have colors similar to the photos taken by Armstrong, Aldrin and the other 10 astronauts. The ...
4
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2answers
256 views

Transmission time per day for Chang'e 4?

Congratulations for the sucessfull landing on the back side of the Moon. There is continuous line of site available for radio connection from the lander to the Queqiao relay satellite at the Earth-...
3
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2answers
180 views

How to soft land on Moon?

China had sent it's own rover Chang'e-4 called Jade Rabbit/Yu Tu 2 to explore the far side of the Moon, the news said it softlanded... I remembered there is no atmosphere to deploy parachute so what ...
3
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1answer
705 views

What will China's new “space station” in Argentinian Patagonia be used for?

The New York Times (fairly strongly worded) article From a Space Station in Argentina, China Expands Its Reach in Latin America describes a "space station" or base equipped with (among other things) a ...
19
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3answers
3k views

What would a lunar eclipse look like from the surface of the moon?

The Earth would have a thin red ring around it, where sunlight is scattered by the atmosphere, right? Would the corona of the sun be very visible?
8
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4answers
1k views

Exit film of moon landing departure

On Apollo 15, 16, and 17 NASA filmed the Lunar Module taking off and leaving the moon. With no-one on the moon how could the the camera move to follow it and who brought the exposed film back to ...
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0answers
20 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 ...
2
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1answer
67 views

Chang'e 4, what is planned during December 12 and January 3?

Chang'e 4 is in Moon orbit since December 12, the landing is scheduled for January 3. What is planned during the 22 days in orbit?
1
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1answer
64 views

Would a debris field on Mars look like one on either the Earth or the Moon?

I am assuming there are no photographs, with enough resolution, of the any of the debris fields of Mars probes that crashed into the surface of Mars to indicate what the debris field looks like. I am ...
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2answers
130 views

Why do some scientists want a moon base for further space travel? What are the advantages of a moon base if compared with an earth base?

The distance between moon and earth is just 384,400 km. So, if we can travel (from moon) to another planet, we also can travel (from earth) to the same planet. But I've read that some scientists want ...
7
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2answers
651 views

Which side of the Moon faces Earth, the heavy side or the lighter side?

It's well known that the near side of the Moon and the far side have different topographical features and that if the Moon had a core it might have been shifted to the near side that faces Earth due ...
1
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1answer
93 views

Did NASA remove four major photographic atlases of the Moon from its Technical Report Server? Gone for good, or just hype?

An October 2013 article in SpaceRef.com The New Race for the Moon says: "NASA's policy is to make data publicly available. I think that is a very noble policy. I do not see anything wrong with it," ...
0
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1answer
89 views

What are the “Boeing Lunar Orbiter spacecraft” from the 1960s? Why is “Boeing” in the name?

An October 2013 article in SpaceRef.com The New Race for the Moon says: Although LRO data remains unrestricted there is other evidence that NASA is worried about such data transfer to China. ...
27
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1answer
5k views

How did the Apollo 11's Eagle ascent stage find the CSM after leaving the Moon?

I've always been curious how did the Apollo 11's Eagle ascent stage of the Apollo Lunar Module navigate back to the Apollo Command/Service Module (CSM) that was in lunar orbit? Was it simply a case ...
29
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7answers
6k views

Why weren't Saturn V and the Soviet N-1 Moon rockets made larger in order to simplify Lunar missions?

During the Apollo missions the Lunar lander was separated, turned around and docked during flight. And the command module was left in Lunar orbit during the surface mission. The Soviets planned to ...
8
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2answers
11k views

Would a Moon resident age differently than someone living on Earth?

Say there were a base on the Moon with people living/studying there. Would they age differently than those on earth due to a change in speed through space? Does the Moon move faster through space (...
15
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2answers
963 views

What was the mascon “fix” used by Apollo 12?

According to the mascon entry on wikipedia: At that time, one of NASA's highest priority "tiger team" projects was to explain why the Lunar Orbiter spacecraft being used to test the accuracy of ...
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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 ...
4
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1answer
1k views

Could we fly on the Moon in Xenon?

The Moon is not capable of keeping an Earth like atmosphere, nor is it practical to keep satellites in lunar orbit. Which means all transportation and communication would need to be ground based. No ...
8
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4answers
718 views

Would it be practical to use the electrical charge of the Lunar surface as an energy source?

This question discusses the charges that exist on the Lunar surface. Would it be possible or practicable to use the differential between the surface and subsurface or different locations on the ...
1
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1answer
109 views

Bombing the Moon: how much debris would there be in stable orbit?

If someone had actually nuked the Moon (e.g. here or Bombing Moon and Mars: What would it look like? ), what's the probability of some debris reaching a stable orbit around the Moon? This would not ...
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2answers
11k views

Why wasn't there a communication delay when Neil Armstrong landed on the moon? [closed]

My understanding is that there was supposed to be a delay between the communication from the moon to Earth. Why were the communication instantaneous?
3
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0answers
29 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 ...
14
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3answers
2k views

Will it be possible to see BFR approaching the moon from earth, with naked eye?

The title pretty much sums it up. I'm not old enough to have experienced any of the previous manned moon landings. Given that Big Falcon Rocket will go around the moon in 2023, I'm wondering if one ...
3
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1answer
98 views

Is the telemetry for the Surveyor moon missions still existent?

Is the telemetry for the Surveyor moon missions still existent? Between 1966 and 1968 NASA put on the surface of the Moon five Surveyor landers. Is the telemetry for these mission still available ...
5
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2answers
151 views

Were panoramic images taken during Apollo 15 planned and trained before on Earth?

I followed a link in an answer to the question about stereoscopic images and found a long list with panoramic images composed from images shot with the lunar Hasselblad cameras. For instance the ...
18
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2answers
2k views

Are there any videos of onboard the Apollo Lunar Module while landed on the Moon?

These would be very worthy videos since there is air in the Lunar Module and they don't wear the heavy spacesuits, so one could see how they behave on the Moon in a breathable atmosphere and without ...
14
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2answers
3k views

Were stereoscopic pictures taken during the Apollo missions?

Were stereoscopic pictures taken during the Apollo missions? Did the astronauts of the Apollo 11, 12, 14-17 take stereoscopic pictures of the lunar landscape? I know many stereoscopic images were ...
80
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3answers
18k views

Could an Apollo astronaut stand up if they fell on the moon?

I was watching old Apollo footage and noted how astronauts on the moon had a very particular gait most likely due to the poor flexibility of the EVA suits, low gravity, and need for safety. I was ...
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0answers
27 views

Did the Apollo astronauts do any EVAs in mid-flight? [duplicate]

For example on their way to the Moon, did the astronauts also leave the Apollo CSM during their flight? Or did they go outside only on the Moon? Were or could there have been any EVAs in mid-flight of ...
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2answers
1k views

How did the first US manned Moon mission suits block radiation?

How did the first manned Moon mission spacesuits block the deadly radiation of both Van Allen belts and direct sunlight?
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1answer
128 views

Is ISS ever visible at all on the earth, unaided, by full moon moonlight alone?

Assuming ideal conditions of moonlight and phase angle, is the ISS ever even slightly 'visible' by full moon moonlight alone, that is to say, when the station is not in direct sunlight at all, but ...
7
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2answers
191 views

Film emulsion on the moon-were the cameras heated?

Re: moon photos : What prevented the film emulsion in the camera used on the moon from freezing and cracking, or simply becoming insensitive from cold? Is film resistant to such extreme cold? What ...
3
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0answers
89 views

Did Apollo-11 have any radiation shielding? [duplicate]

If it did, then what kind? Or if it didn't, was it because the flight didn't last for too long? (7 days or so, from Earth to Moon and back.)