APOD: Apollo 14: A View from Antares (2021 Feb 04)

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APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by APOD Robot » Thu Feb 04, 2021 5:11 am

Image Apollo 14: A View from Antares

Explanation: Fifty years ago this Friday, Apollo 14's Lunar Module Antares landed on the Moon. Toward the end of the stay astronaut Ed Mitchell snapped a series of photos of the lunar surface while looking out a window, assembled into this detailed mosaic by Apollo Lunar Surface Journal editor Eric Jones. The view looks across the Fra Mauro highlands to the northwest of the landing site after the Apollo 14 astronauts had completed their second and final walk on the Moon. Prominent in the foreground is their Modular Equipment Transporter, a two-wheeled, rickshaw-like device used to carry tools and samples. Near the horizon at top center is a 1.5 meter wide boulder dubbed Turtle rock. In the shallow crater below Turtle rock is the long white handle of a sampling instrument, thrown there javelin-style by Mitchell. Mitchell's fellow moonwalker and first American in space, Alan Shepard, also used a makeshift six iron to hit two golf balls. One of Shepard's golf balls is just visible as a white spot below Mitchell's javelin.

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RocketRon

Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by RocketRon » Thu Feb 04, 2021 6:59 am

So what is par on the Apollo Lunar Golf Course. ?

What is a typical tee shot distance with say a 2 wood ??
Should be able to get some fabulous distance - if you don't cartwheel from the follow through !
Which begs the question - could you put a golf ball in orbit.

Did anyone ever photograph the 'night sky' in the shade.
With no atmosphere to scatter the light, the stars should be brightly visible as soon as the sun is shaded.
Be a fabulous view of the whole universe, in fact ??

WWW

Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by WWW » Thu Feb 04, 2021 8:34 am

Ahh, editor Jones we have a problem.
In the picture it seems that one of the small thruster nozzles is partially transparent, you can see the ground behind it, as if it wasn't even there! Maybe the whole picture is a fraud? Could the whole landing have been staged, (in a remote sandy back lot in Houston TX)? We need another view, we need to see if that flag is flapping in the wind, and who put all those little black crosses on the ground? Lastly, it looks like someone left their camera on that fancy beach chair.

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by JohnD » Thu Feb 04, 2021 9:24 am

It seems to be a false meme of the Apollo story, aided by Shepherd's own account that he hit his golf balls "miles and miles". Theoretically, given the trejectory of a ball on Earth that would be true, but the limitations of the space suit and reduced gravity on stance and balance severly limited their range. One was a misshot, and hardly went any distance, another was the one that landed about 200 metres away in front of Turtle Rock, the last went "miles and miles and miles",but did it really? Golfers, what can you do with them?

https://www.youtube.com/watch?v=t_jYOub ... =NASAVideo

Tsabeau

Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by Tsabeau » Thu Feb 04, 2021 12:16 pm

When I zoomed into the rock near the horizon, I noticed a reddish “bubble” on and just above the horizon, near the rock.. Is that lens flare or swamp gas?

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by orin stepanek » Thu Feb 04, 2021 1:48 pm

a14pan9335-43emj_900.jpg

Kinda curios; is there any data of how far Shepherd hit that ball? Miles & miles not really a answer! :mrgreen:
That Lunar dust looks like it Could be pretty Fertile for farming Cept it would have to be in a cooler place with water and an atmosphere 🥳! JMO! I'm sure a colony on Luna would have proper conditions for gardening! 🎍
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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by Ann » Thu Feb 04, 2021 2:25 pm

JohnD wrote:
Thu Feb 04, 2021 9:24 am
It seems to be a false meme of the Apollo story, aided by Shepherd's own account that he hit his golf balls "miles and miles". Theoretically, given the trejectory of a ball on Earth that would be true, but the limitations of the space suit and reduced gravity on stance and balance severly limited their range. One was a misshot, and hardly went any distance, another was the one that landed about 200 metres away in front of Turtle Rock, the last went "miles and miles and miles",but did it really? Golfers, what can you do with them?

https://www.youtube.com/watch?v=t_jYOub ... =NASAVideo
Funny, John! Thanks for the video! :D

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by TheZuke! » Thu Feb 04, 2021 2:47 pm

Continuing the focus on the scientific golf experiment Shepard conducted...

So, Johnny Carson lied during his monologue when he told us that Shepard hit "a crater in one!"?
:cry:

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by TheZuke! » Thu Feb 04, 2021 2:52 pm

orin stepanek wrote:
Thu Feb 04, 2021 1:48 pm

Kinda curios; is there any data of how far Shepherd hit that ball? Miles & miles not really a answer! :mrgreen:
Orin, my good man, I'm surprised that you seem to have overlooked the fact that on The Moon optical phenomena behave differently than here on Earth, OR that the SI distance unit for "miles" is vastly different on natural satellites!

8-)

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by orin stepanek » Thu Feb 04, 2021 3:10 pm

TheZuke! wrote:
Thu Feb 04, 2021 2:52 pm
orin stepanek wrote:
Thu Feb 04, 2021 1:48 pm

Kinda curios; is there any data of how far Shepherd hit that ball? Miles & miles not really a answer! :mrgreen:
Orin, my good man, I'm surprised that you seem to have overlooked the fact that on The Moon optical phenomena behave differently than here on Earth, OR that the SI distance unit for "miles" is vastly different on natural satellites!

8-)
Basically; I was guessing actual measurements rather than estimates; which I figure was not realistic unless the ball was found!🚀
Orin

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by johnnydeep » Thu Feb 04, 2021 4:11 pm

TheZuke! wrote:
Thu Feb 04, 2021 2:47 pm
Continuing the focus on the scientific golf experiment Shepard conducted...

So, Johnny Carson lied during his monologue when he told us that Shepard hit "a crater in one!"?
:cry:
How so? The text says that one of the balls he hit is in the crater below the javelin. That would be a crater in one, wouldn't it?
"To Boldly Go......Beyond The Fields We Know."

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by johnnydeep » Thu Feb 04, 2021 4:15 pm

WWW wrote:
Thu Feb 04, 2021 8:34 am
Ahh, editor Jones we have a problem.
In the picture it seems that one of the small thruster nozzles is partially transparent, you can see the ground behind it, as if it wasn't even there! Maybe the whole picture is a fraud? Could the whole landing have been staged, (in a remote sandy back lot in Houston TX)? We need another view, we need to see if that flag is flapping in the wind, and who put all those little black crosses on the ground? Lastly, it looks like someone left their camera on that fancy beach chair.
Cute, and I do see the the nozzle artifact. As for the rest of your text, please don't speak too loudly: this is how conspiracy theories gain new life.
"To Boldly Go......Beyond The Fields We Know."

Robot

Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by Robot » Thu Feb 04, 2021 5:02 pm

Are there any still-active cameras from the Apollo landings?

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by ptahhotep » Thu Feb 04, 2021 5:34 pm

There is an article on the BBC news site about how far the golf balls went (not very far) here.

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by bystander » Thu Feb 04, 2021 5:39 pm

WWW wrote:
Thu Feb 04, 2021 8:34 am
...
Could the whole landing have been staged, (in a remote sandy back lot in Houston TX)?
...
Click to play embedded YouTube video.
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alive to the gentle breeze of communication, and please stop being such a jerk.
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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by Ann » Thu Feb 04, 2021 6:58 pm

bystander wrote:
Thu Feb 04, 2021 5:39 pm
WWW wrote:
Thu Feb 04, 2021 8:34 am
...
Could the whole landing have been staged, (in a remote sandy back lot in Houston TX)?
...
Click to play embedded YouTube video.
So funny, bystander! The conspiracy to end all conspiracies! :lol2:

Thank you! :D

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by Bird_Man » Thu Feb 04, 2021 9:29 pm

Tsabeau wrote:
Thu Feb 04, 2021 12:16 pm
When I zoomed into the rock near the horizon, I noticed a reddish “bubble” on and just above the horizon, near the rock.. Is that lens flare or swamp gas?
It appears that the sun is over the astronauts right shoulder and shouldn’t cause a lens flair. Since they were shooting through the lander’s window, I wonder if it could be a reflection of something inside?

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by johnnydeep » Thu Feb 04, 2021 9:49 pm

Ann wrote:
Thu Feb 04, 2021 6:58 pm
bystander wrote:
Thu Feb 04, 2021 5:39 pm
WWW wrote:
Thu Feb 04, 2021 8:34 am
...
Could the whole landing have been staged, (in a remote sandy back lot in Houston TX)?
...
Click to play embedded YouTube video.
So funny, bystander! The conspiracy to end all conspiracies! :lol2:

Thank you! :D

Ann
Yeah, that's a great video!
"To Boldly Go......Beyond The Fields We Know."

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by JohnD » Fri Feb 05, 2021 11:35 am

ptahhotep wrote:
Thu Feb 04, 2021 5:34 pm
There is an article on the BBC news site about how far the golf balls went (not very far) here.
Thank you, ptahhotep! Only published the same day as the APOD!

But Shepherd hit THREE balls didn't he? See the video I linked to. No.1 "more dirt than ball", No.2 "straight as a die". It was No. 3 that went "miles and miles"! Or did he take two strokes at the first? Didn't score a penalty stroke AFAIK!

There was no way he could pick up the first ball after he dropped it.

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by neufer » Fri Feb 05, 2021 4:18 pm

ptahhotep wrote:
Thu Feb 04, 2021 5:34 pm

There is an article on the BBC news site about how far the golf balls went (not very far) here.
An average amateur can drive a golf ball ~200 meters on Earth
and, hence, ~1,200 meters on the Moon (with 1/6th gravity).
  • That is about the distance to Cone Crater.
Sheppard's 37 meter second shot meant that he could hit the ball with only about 18% proficiency. (Speed is more important that gravity.)
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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by Chris Peterson » Fri Feb 05, 2021 5:46 pm

neufer wrote:
Fri Feb 05, 2021 4:18 pm
An average amateur can drive a golf ball ~200 meters on Earth
and, hence, ~1,200 meters on the Moon (with 1/6th gravity).
That would be the case if gravity were the most relevant factor. But it isn't. The thing that lets you drive much farther on the Moon is the lack of air resistance. I did the calculation for a 100 mph ball speed (probably reasonable for an amateur, although high for the equipment used on the Moon) and came up with a distance of 5000 meters.
Chris

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Re: APOD: Apollo 14: A View from Antares (2021 Feb 04)

Post by neufer » Fri Feb 05, 2021 10:07 pm

Chris Peterson wrote:
Fri Feb 05, 2021 5:46 pm
neufer wrote:
Fri Feb 05, 2021 4:18 pm

An average amateur can drive a golf ball ~200 meters on Earth
and, hence, ~1,200 meters on the Moon (with 1/6th gravity).
That would be the case if gravity were the most relevant factor. But it isn't. The thing that lets you drive much farther on the Moon is the lack of air resistance.
Golf balls are designed to minimize air resistance on Earth.

Golf balls are not designed to minimize "bounce/roll" resistance on the Moon.
Chris Peterson wrote:
Fri Feb 05, 2021 5:46 pm

I did the calculation for a 100 mph ball speed (probably reasonable for an amateur, although high for the equipment used on the Moon) and came up with a distance of 5000 meters.
5000 feet perhaps.

A 45º parabola spends t = v x sqrt(2)/g seconds in the air
moving at a speed of s = v/sqrt(2)
and traveling a distance of D = s x t = v2/ g

100 mph = 44.7 meters per second

D = v2/ g = [44.7 m/s]2 / [1.62 m/s2] = 1235 meters
Art Neuendorffer