China Lands on Dark side of the Moon: Fake news?

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Canuk
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China Lands on Dark side of the Moon: Fake news?

Postby Canuk » 3 Jan 2019, 5:51am

Surely this puts paid to all the conspiracy nonsense about NASA faking the moon landings? Can't take it away from the Chinese though, incredibly difficult technological achievement to land successfully on the dark side of the Moon. Well played.

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Cunobelin
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Re: China Lands on Dark side of the Moon: Fake news?

Postby Cunobelin » 3 Jan 2019, 6:49am

"There is no dark side
of the moon really.
Matter of fact
it's all dark."

Roger Waters 1973

Canuk
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Re: China Lands on Dark side of the Moon: Fake news?

Postby Canuk » 3 Jan 2019, 7:07am

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661-Pete
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Re: China Lands on FAR side of the Moon: Fake news?

Postby 661-Pete » 3 Jan 2019, 9:00am

Title corrected. I do wish people wouldn't perpetuate the mistake of calling it the "Dark Side". Any part of the Moon can be on the Dark side, depending on what time of the Lunar day it is...
Pete

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Canuk
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Re: China Lands on FAR side of the Moon: Fake news?

Postby Canuk » 3 Jan 2019, 9:24am

661-Pete wrote:Title corrected. I do wish people wouldn't perpetuate the mistake of calling it the "Dark Side". Any part of the Moon can be on the Dark side, depending on what time of the Lunar day it is...


Yes, quite a few people pointing that out on the Twitter feed above. The far side is sunlit but dark to us here on earth. Hence the difficulty landing there as its also dark to radio signals from earth and telemetry. Hats off to the Chinese for making a successful landing. I'm sure it was an extraordinary complex feat.

mercalia
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Re: China Lands on Dark side of the Moon: Fake news?

Postby mercalia » 3 Jan 2019, 12:45pm

they say they have? who knows since we cant directly zoom in on them with big telescopes?

brynpoeth
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Re: China Lands on Dark side of the Moon: Fake news?

Postby brynpoeth » 3 Jan 2019, 12:47pm

Dark? Cold? :?
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philvantwo
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Re: China Lands on Dark side of the Moon: Fake news?

Postby philvantwo » 3 Jan 2019, 1:11pm

Sounds a bit like Wales!!
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kwackers
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Re: China Lands on Dark side of the Moon: Fake news?

Postby kwackers » 3 Jan 2019, 1:19pm

Dried clangers now on the list of Chinese remedies?

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Re: China Lands on Dark side of the Moon: Fake news?

Postby rjb » 3 Jan 2019, 1:21pm

mercalia wrote:they say they have? who knows since we cant directly zoom in on them with big telescopes?


That's so we can't see what their up to up there. :twisted:
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Mick F
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Re: China Lands on Dark side of the Moon: Fake news?

Postby Mick F » 3 Jan 2019, 4:04pm

They said on R4 news that they'd landed near the south(?) pole.
What they didn't say, was that the south pole is at the top as the magnetic poles are the other way round from Earth.



Could have been that R4 said they landed near the north pole ................ I could have remembered it wrongly ..................... but they are there to entertain and educate, so they should do a bit of educating in that the Moon's poles are opposite to Earth's and they need to say which bit of the Moon they were referring to.
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kwackers
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Re: China Lands on Dark side of the Moon: Fake news?

Postby kwackers » 3 Jan 2019, 4:19pm

Mick F wrote:They said on R4 news that they'd landed near the south(?) pole.
What they didn't say, was that the south pole is at the top as the magnetic poles are the other way round from Earth.



Could have been that R4 said they landed near the north pole ................ I could have remembered it wrongly ..................... but they are there to entertain and educate, so they should do a bit of educating in that the Moon's poles are opposite to Earth's and they need to say which bit of the Moon they were referring to.

Which poles?

Geographic? The north pole is the same as ours.
Magnetic? The moon has a very weak magnetic field that lies mainly in the surface so I'm not sure it actually has a genuine pole.
Rotational? These are called 'positive' and 'negative' to avoid confusion with the others.

Disclaimer: I'm making a few assumptions here based on my understanding of the orientation of solar bodies and the orientation of the invariable plane of the solar system.

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Mick F
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Re: China Lands on Dark side of the Moon: Fake news?

Postby Mick F » 3 Jan 2019, 4:32pm

The north pole on Earth is normally shown on globes and maps at the top. Magnetically and geographically.

From what I remember when I studied these things, is that the Moon (if you orientated it the same way as Earth) the north pole is at the bottom. Magnetically speaking of course.

We tend to have all maps "north up" these modern days, so it's normal to think that a map of the Moon would be "north up" too. This is geographically speaking of course.

Trouble is, with the Moon, the magnetic poles are opposite to Earth's. .................... or that's the way I remember it, so if you refer to the Moon's north pole, do you mean magnetic or geographic or what?
Mick F. Cornwall

kwackers
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Re: China Lands on Dark side of the Moon: Fake news?

Postby kwackers » 3 Jan 2019, 4:48pm

Mick F wrote:The north pole on Earth is normally shown on globes and maps at the top. Magnetically and geographically.

The earth magnetic and geographical poles are orientated the same way.

From Wiki:
"The International Astronomical Union (IAU) defines the geographic north pole of a planet or any of its satellites in the Solar System as the planetary pole that is in the same celestial hemisphere, relative to the invariable plane of the Solar System, as Earth's North pole"

There's little mention of magnetic poles for astronomical bodies - mainly because for most of them we've no idea whether they've got one or what direction it lies in.
So I 'assume' that means that references to the poles of astronomical object use the geographical sense by default since it's actually defined.

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Re: China Lands on Dark side of the Moon: Fake news?

Postby mercalia » 3 Jan 2019, 6:00pm

well they had better watch out for ....