A Conversation for Earth

Pedants corner

Post 1

Dancing Ermine

Rephrasing on the update please smiley - winkeye

"As far as we know, Earth is the only planet in the solar system that supports life, although there are other candidates, such as Europa"

Europa isn't a planet so shouldn't be compared to Earth in the sentence above. Changing it to "Earth is the only place in the solar system..." etc. would be more accurate.


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Post 2

Hilarious Joke

smiley - winkeye What is Europa anyways? smiley - winkeye


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Post 3

Stuart

A moon of the planet Jupiter


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Post 4

Peet (the Pedantic Punctuation Policeman, Muse of Lateral Programming Ideas, Eggcups-Spurtle-and-Spoonswinner, BBC Cheese Namer & Zaphodista)

And "Acceleration due to Gravity" should really be "Mean acceleration due to Gravity at sea level"... smiley - bigeyes


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Post 5

Cefpret

And even that only on a certain latitude.


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Post 6

Gnomon - time to move on

I thought the mean bit meant it was averaged over all latitudes.


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Post 7

Cefpret

Well, he didn't say so. Since there are a couple of fluctuations even on one latitude at sea level (eg noon or midnight, position of the moon) it makes sense to say 'mean acceleration at sea level' even without the latitude thing.

Additionally, the fluctuations due to latitude are very very much greater then those due to height. So, averaging away height, you get an acccuracy that would be totally lost again if you averaged away latitude, too.

One more sentence and I finally reach nerd status.


Pedants corner

Post 8

shagbark

this researcher wonders how this article got through peer review without someone mentioning it's artificial satellites (including the international space station) and it's other moons.
Reference http://news.bbc.co.uk/2/hi/sci/tech/2251386.stm
smiley - ermPerhaps someone should add Cruithne to the tour.smiley - doh


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Post 9

Cefpret

Man-made satellites are mentioned. And my personal opinion is that those two deep-space stones are no moons. You'll find things like that everywhere in the solar system. Probably Jupiter would have some 10000 moons with this kind of counting.


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Post 10

Hilarious Joke

Where are man-made satellites mentioned? What two-deep space stones? The Asteroid Belt is believed to have once being a planet but it was shattered by a comet I think. How many moons does Jupiter officially have?


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Post 11

Peet (the Pedantic Punctuation Policeman, Muse of Lateral Programming Ideas, Eggcups-Spurtle-and-Spoonswinner, BBC Cheese Namer & Zaphodista)


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Post 12

Cefpret

'Where are man-made satellites mentioned?' -- in the last link on the page.

'What two-deep space stones?' -- follow the link above in this thread.


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Post 13

Hilarious Joke

I have no idea where man-made sattelites are mentioned. I don't want to find out at the moment.
Hey, I'm talking to you Cefpret in another message board as well! The other one is the one I am more interested in.


Pedants corner

Post 14

Cefpret

Probably we are talking about different entries. I mean

http://www.bbc.co.uk/dna/h2g2/A482933

where the last words before the footnotes are "Man-made Satellites".


Pedants corner

Post 15

Hilarious Joke

A rude question: How old are you?
I like the idea of 'Mostly Harmless'.


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