Chewbacca
Player Valuation: £30m
Something landed as you can see the landing sites with a decent telescope
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Space and stuff
- Thread starter rascal
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Something landed as you can see the landing sites with a decent telescope
Methuselah
Player Valuation: £35m
One thing puzzles me. I read somewhere that those 'in the know' reckon that there are more stars in the universe than there are grains of sand on Earth. I think there is a good chance that whoever counted the grains of sand on Earth forgot to include the Cast Iron Shore.
It really isn't hard, seeing as in the milky way, a smallish galaxy, has 400 billion stars. And considering our best guess of 100 billion galaxies in the observable universe............
It is estimated earth has 7.5 x 10(18) grains of sand. There are estimated 10 x 10(21) stars in the observable universe. OBSERVABLE universe.
Sorry for a sensible answer.......
Methuselah
Player Valuation: £35m
Thanks Dylan. Still reckon they forgot the cast iron shore though.lol
There’s more atoms in a grain of sand than there are grains of sand on the Earth. Or something.
there are more water molecules in a glass of water than there are glasses of water in all the bodies of water in the world
summerisle
The rain, it raineth every day
I'm loving BBC2 Horizon on at the moment about the Juno space mission to Jupiter. Utterly fascinating.
chrismpw
Player Valuation: £70m
Much that I am certain that we landed on the moon, I do not think its possible to see evidence with a telescope from this far. Could be wrong like.
On the other hand the mirrors the astronauts set up on the surface, used to reflect lasers for speed of light measurements (or was it lunar distance?) they're still used I believe.
chrismpw
Player Valuation: £70m
I used to show the kids in my class 18g water, about an egg cup full. In chemistry this 18g, for water is called a mole, whuch equates to 6x10²³ molecules. I then get them to do a calculation based on an approx age for the universe of 13 thousand million years. They soon realised that if they started counting the molecules, they would need to count at a rate if one million particles a second for the entire duration of universe to be near finishing today. An egg cup full.
It's staggering when you try to get your head around the numbers.
dholliday
deconstructed rep
you can't see evidence of landing sites (tracks, gear, shadows) with a telescope from Earth, not even from the best scopes in the world, like the ones in Chile or La Palma. You can see them from orbit-based or flyby telescopic-cam-images.
However, you can with consumer-level optics & imagers make out areas a few kilometers in radius, then using a moon-map you can mark where the Landings were.
Here's an interesting Wiki on third-party evidence for the moon landings:
https://en.wikipedia.org/wiki/Third-party_evidence_for_Apollo_Moon_landings
dholliday
deconstructed rep
Planet 9, Planet X, or Nibiru, is looking more & more like a real thing. A dark, possibly rocky (but freezing), planet around 3 times the size of Earth somewhere in the vastness between Neptune & Pluto. The estimates say every 20-thousand years this planet swings close enough to Earth to be visible in the sky (as its also shone sufficiently by the sun), and remains so for a few thousand years before swinging out of view for another circa 15-thousand years. At its most visible it may have an angular diameter from Earth somewhere between Jupiter & the moon...so very noticable!
Historical anecdotal evidence points to ancient civilisations having seen a noticable round object in the sky which was neither the moon nor the sun, with the last recorded civilisation to have referenced it being the Babylonians around 5000 years ago.
It's very interesting as this mixes real scientific progress with old pseudo-scientific ideas.
To get an idea of the scale within our own solar system from the Sun to Pluto, this is the best tool I've found. It's mindboggling, you'll even be surprised how far away our moon is from Earth. And when you mentally convert to 360° you get an idea how hard it is to find a dark distant rocky planet out there in the void. It's a miracle we found Pluto.
http://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html
Historical anecdotal evidence points to ancient civilisations having seen a noticable round object in the sky which was neither the moon nor the sun, with the last recorded civilisation to have referenced it being the Babylonians around 5000 years ago.
It's very interesting as this mixes real scientific progress with old pseudo-scientific ideas.
To get an idea of the scale within our own solar system from the Sun to Pluto, this is the best tool I've found. It's mindboggling, you'll even be surprised how far away our moon is from Earth. And when you mentally convert to 360° you get an idea how hard it is to find a dark distant rocky planet out there in the void. It's a miracle we found Pluto.
http://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html
What constitutes a decent enough telescope
Asking for a friend.
Chewbacca
Player Valuation: £30m
Mount Palomar
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