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Cosmos - "The Clean Room" Clarification Question about Age of the Earth.

My wife and I just watched the seventh episode of Cosmos called "The Clean Room" which tells us (among other things) about how Clair Patterson determined the age of the Earth. The episode explains Patterson used meteorite fragments, such as those from the Canyon Diablo crater, because they were assumed to be leftovers from the creation of the solar system. My question is one of clarification; specifically, how they could be sure that assumption was correct? [more inside]
posted by Effigy2000 on Jun 16, 2014 - 12 answers

Regression equation with mean temperature as output variable

If you had a multivariate equation whose output variable is mean surface temperature on earth, what would be the rough beta value for distance from the sun (in millions of miles or whatever)?
posted by clockzero on May 18, 2014 - 4 answers

Earth shoes for men?

Awhile back, Earth shoes used to offer footwear for men. My dad loved these, mostly because of their so-called Negative Heel Technology. Do they actually work? I have no clue. But dad wants what he wants, and he wants these negative heel shoes in the style of the old Earth shoes. I believe he wears something similar to this, and his pair is starting to wear out, so he is on the hunt for a suitable replacement. Are you male and a fan of Earth shoes/negative heel technology? Where do you get your fix? Are you not male but no someone else who's a fan of these shoes? TYIA!
posted by bigasthesky on Feb 9, 2014 - 7 answers

This may sound like a strange question...

But I was wondering, why do you think we still use the terms "sunrise" and "sunset"? We know that the Earth revolves around the Sun (not the other way around) so the Sun isn't really 'rising' or 'setting', right?
posted by Neutron12 on Feb 9, 2014 - 23 answers

Why don't we have HD video of Earth rotating in space?

Why don't we have HD video of Earth rotating in space? You know, relatively close-up, as if the Enterprise had just dropped out of warp and the planet was being majestically introduced to the cinema audience. An extended, multiple pass/rotation exposure, so that it could be watched by appreciative viewers wanting to get a bit of perspective/peace. I imagine I would sit and gaze at this for extended periods. What are the technical limitations which have prevented this?
posted by paleyellowwithorange on Jan 1, 2014 - 23 answers

Google Earth Wallpaper?

I read this article that said there was a button on the Google Earth site that let you download wallpapers. The article states there's a "globe" link at the bottom of the page, however when I load the Earth page I don't see that icon. Does anyone else? Or can I get to the images somewhere else?
posted by cozenedindigo on Dec 17, 2013 - 8 answers

How much water covers the earth?

If you looked at the planet Earth from space and were able to view the whole of the globe, on the average, what percentage would be water? (not as simple as it seems) [more inside]
posted by dances_with_sneetches on Aug 30, 2013 - 12 answers

Where can I find Planet Earth?

For a project, I need (well, want) to find a 3d CAD drawing of Earth. Any file format is workable, but .dwg and .3dm are preferable. Does anybody know where I might be able to find this? [more inside]
posted by rensar on Aug 14, 2013 - 5 answers

Is it possible for humankind to divert Earth off its orbit around Sun?

I know it is a funny thought but I am curious. For instance, the mega-quakes can speed up or slow down self-rotation of Earth, albeit minutely. So in a similar vein would it be possible for a group of wacko scientists to get Earth off its orbit around the Sun to freezing cold in outer space by means of technology and materials? Can this idea be proved to be possible or not? Or maybe it was discussed earlier somewhere on Intertubes and you can help me find it.
posted by raphael19 on Aug 7, 2013 - 12 answers

Radiant Heat Effect on Global Warming

Does the mass of human construction radiate enough heat to contribute to global warming? [more inside]
posted by Leenie on Jun 28, 2013 - 11 answers

Live satellite view of earth, the sun, the moon...

Are there any public views of real-time / live views from objects in space, especially ones that are pointed at the Sun, Moon, Mars, Jupiter, Saturn? [more inside]
posted by wcfields on Jun 5, 2013 - 9 answers

Can you collect meteorite dust in your backyard? How?

I've been told recently that collecting micrometeorites is as easy, basically, as placing a clean surface outside and picking through the debris you collect because thousands of tons of space dust and debris fall to Earth every day. That can't be all there is to it, can it? How do you know whether you're looking at Earth dust or space dust? [more inside]
posted by Sleeper on Feb 27, 2013 - 4 answers

Google Earth is hard for tablets

I have a project on Google Earth I created on a PC and want to show off on a tablet, but things are not going smoothly. Have I missed something? Do you know how I can make my project better on a tablet? Specific questions outlined inside, but I welcome other suggestions that may help me in ways I had not even thought about yet. [more inside]
posted by whatzit on Feb 15, 2013 - 4 answers

Bowled a Googley

Help me prepare for "Geo for Good Down Under" at Google HQ Australia. Details on my spatial tech knowledge inside. [more inside]
posted by micklaw on Oct 23, 2012 - 2 answers

If the earth had a second moon, could the moons ever cross? How and when?

Imagine that the earth is hit by another Mars-ish sized object causing a second moon to be formed. If the second moon were orbiting the Earth inside or outside of the orbit of The Moon, and assuming it was not orbiting the Earth parallel to The Moon, the two moons would have to cross each other at some point, right? A sort of moon-over-moon eclipse thing. How would you calculate how often this would occur? What would it look like? Does this happen on planets with more than one natural satellite? Does the premise of this question make no sense because my knowledge of astrophysics is basically nil? Explain to me like I am in fifth grade, please. [more inside]
posted by Lutoslawski on May 30, 2012 - 7 answers

Cut the big blue marble in half...

What would happen to the earth's rotation, orbit, etc. if the planet were half as large, diameter-wise, as it is now? [more inside]
posted by drlith on May 23, 2012 - 11 answers

Hypothetical Astronomy

If all non-solar-system stars ceased to exist, how would things look different to us on earth? Would anything change? [more inside]
posted by juniperesque on May 15, 2012 - 16 answers

How much wood would a woodchuck chuck if a tree fell in the woods with no one around?

So, we live on a ball. When traveling in one direction, are you always going uphill? Or downhill? [more inside]
posted by rich on Apr 18, 2012 - 27 answers

At what altitude does the Earth look like a big blue marble?

How far up do you have to go to see the Blue Marble? [more inside]
posted by alms on Apr 9, 2012 - 10 answers

Pretty Plant Related Engagement Rings

Looking for ideas for a nature inspired engagement ring. [more inside]
posted by Sentus on Apr 2, 2012 - 25 answers

What would happen if large-scale lunar mining operations became commonplace?

Could mining the moon destroy the oceans? [more inside]
posted by asnider on Feb 27, 2012 - 12 answers

Would an alien radio pick up a cacophony or a damp fizzle?

If an alien located on a planet 100 light years from here was to switch on a big, multi-frequency radio receiver, and record all the noises coming from outer space for the next hundred years, on all frequencies, how many soap operas, advertisements and new broadcasts would they pick up from Earth? Would a mass-market radio, similar to our Earthly equivalents, pick up anything? Over time, as the number of Earth transmissions increases exponentially, would the alien pick up a cacophony or a damp fizzle? [more inside]
posted by 0bvious on Feb 23, 2012 - 10 answers

The big blue ball

Can I get a fairly accurate, real time view of Earth constantly on my desktop? [more inside]
posted by shothotbot on Dec 20, 2011 - 9 answers

Zombies vs Zombies

Should I get Last Night on Earth or Zombies!!!? Have you tried both? Which should I get and why? [more inside]
posted by Iteki on Sep 19, 2011 - 10 answers

Marrying Flash and Google Earth

How can I create a video using Flash that incorporates zooming around in Google Earth? [more inside]
posted by nushustu on May 18, 2011 - 1 answer

I don't want to create the universe, just recreate it.

I'm looking for usable 3d meshes of Earth, Moon and Mars I know the data is out there for free, but the data I've found is ridiculous (4 terabyte high resolution files), hard to use (5 degree slices that would need to be assembled), in formats that only planetary geologists can use, or simply stuck in the labyrinth of poorly maintained and documented government web sites where I can't find it. [more inside]
posted by Ookseer on May 8, 2011 - 8 answers

Why is Google Earth so messed up on my laptop?

Google Earth looks totally screwed up on my Toshiba laptop with Windows 7. A grid of squares overlays all the maps. I've tried unclicking everything to no avail. Googling has not helped. Here's what it looks like. http://imgur.com/M9967.jpg
posted by wsg on May 3, 2011 - 5 answers

Which David Attenborough BBC film is best?

Which is better? LIFE or PLANET EARTH by David Attenborough? [more inside]
posted by lynnie-the-pooh on Apr 8, 2011 - 28 answers

From Mars to Earth??

I was listening to this Fresh Air interview today and wondered how they know a meteorite is from Mars. [more inside]
posted by Rad_Boy on Apr 4, 2011 - 8 answers

Are there any Pagan-friendly interfaith monasteries?

I’m a Pagan who wants to live a monastic life. Is there such a thing as an interfaith Earth-based monastery? [more inside]
posted by velvet winter on Mar 16, 2011 - 15 answers

Earth, cut in half.

Is anyone aware of an image that's been generated depicting the whole circle of the earth in section view, showing the topography of the relevant land masses and sea floors? [more inside]
posted by brightghost on Feb 23, 2011 - 15 answers

How much less does the earth weigh now?

How much less does the earth weigh now? [more inside]
posted by dantodd on Jan 14, 2011 - 21 answers

Pre-moon size of the earth

What was the size of the earth, proportionally to it today, before whatever hit it to create the moon?
posted by Sparx on Jan 13, 2011 - 12 answers

How could we destroy the Earth?

Assuming one had the collective resources of the world's military, scientific institutions and civilian organisations, what would be the simplest, most efficient method of destroying the Earth? [more inside]
posted by malusmoriendumest on Dec 4, 2010 - 19 answers

Salting the Earth

Can you help me find a good quotation about a piece of earth being cursed? [more inside]
posted by jefficator on Sep 15, 2010 - 12 answers

Help me identify this SciFi novel.

Help me identify this SciFi novel. I can't remember the title or who wrote it. I read it back in the late 1970s or early 80s, so it is at least that old. [more inside]
posted by governale on Aug 10, 2010 - 4 answers

"That could never happen." "It so totally could!"

Is there any way that major fluctuations in the Earth's climate could have an effect on the temperature of the Earth's core? What about its density? Could temperature changes cause some sort of change in the planet's gravity or magnetic fields? Could changing weather have any other effect on the Earth's interior? [more inside]
posted by Captain Cardanthian! on Feb 28, 2010 - 12 answers

Could there be a planet so big that it is bigger than itself?

Would it be possible to have a planet with significantly more surface area than the earth and similar gravity (at ground level) by decreasing its density? [more inside]
posted by blue_beetle on Jun 18, 2009 - 5 answers

Can you always see the Moon from the Earth?

Is there anywhere on Earth, where you can't see the Moon? [more inside]
posted by Dub on May 24, 2009 - 16 answers

Motion Sickness

How many directions am I moving in while I'm just sitting here? Any idea of how fast? [more inside]
posted by zylocomotion on Mar 16, 2009 - 10 answers

What famous inventions have non-famous alternatives or competitors?

What famous inventions have non-famous alternatives or competitors? [more inside]
posted by damn dirty ape on Mar 15, 2009 - 35 answers

Terrain View in Google Earth?

Easy question: How do I get "Terrain" view in Google Earth the way it looks in Google Maps (i.e. a nice topographic view)? [more inside]
posted by wavejumper on Nov 28, 2008 - 3 answers

Candles vs Light Bulbs Smackdown

Candles vs fluorescent light bulbs smackdown: which produces more greenhouse gases? Which one is environmentally friendlier when you figure in all the emissions? [more inside]
posted by storybored on Sep 11, 2008 - 19 answers

I need Math People to help me find out how long it takes 2 Last (Wo)Men on Earth to meet.

How long should it reasonably take before 2 "Last Men on Earth" meet? [more inside]
posted by mr_book on Aug 23, 2008 - 24 answers

Help me find this fictional evil organization logo!

Help me find this logo... Earth, or a stylized globe, clutched in a fist... think SPECTRE, SMERSH, or KAOS, but it's not any of those... Where have I seen this? Subgenius art? Anyone?
posted by stenseng on Aug 7, 2008 - 14 answers

Google Earth: controlling from external application?

Is it possible to track things such as user movement and button clicking in Google Earth? [more inside]
posted by figTree on May 21, 2008 - 1 answer

Earth's water vs land volume (shown in spheres) image?

ISO: Photo-like diagram of the ratio of total volume of water to total volume of land on Earth. NOT the surface area - the TOTAL respective volumes of the planet. [more inside]
posted by yoga on Jan 10, 2008 - 9 answers

Where to study History?

Looking for unique schools or programs for the study of History. In the US or abroad. [more inside]
posted by Nillocsoc on Jan 3, 2008 - 13 answers

How to create Quicktime or AVI of Google Earth flythrough?

How to create Quicktime or AVI of Google Earth flythrough? [more inside]
posted by drinkspiller on Nov 26, 2007 - 4 answers

How would a metal bar built around the world react to gravity?

How would a metal bar built around the world react to gravity? [more inside]
posted by studentbaker on Nov 1, 2007 - 36 answers

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