Questions tagged [earth]

The planet on which we live — the third planet from the sun. It consists of an inner core made of iron and nickel, an outer core of liquid metal, a mantle, and, on the outside, a crust.

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487 views

Does the mass of human made objects exceed the entire biomass on the planet?

An article in Nature, "Global human-made mass exceeds all living biomass" in 2020 has recently gained some attention on social media (see this Twitter thread) possibly because of a striking ...
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3 votes
3 answers
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Why did the value for "average surface temperature of Earth" change from 15°C to 14°C in some scientific literature concerning climate change?

I recently stumbled across an article from a global warming skeptic stating that the "average surface temperature of Earth" changed from 15°C to 14°C in some scientific literature concerning climate ...
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7 votes
2 answers
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Will China's Three-Gorges Dam slow down Earth's rotation?

Business Insider claims that China's Three-Gorge's Dam will slow down Earth's rotation: Raising 39 trillion kilograms of water 175 meters above sea level will increase the Earth’s moment of inertia ...
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15 votes
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Has there been a rise of flat-Earthers?

From this tweet by Neil deGrasse Tyson: The rise of flat-Earthers in the United States... And from The Guardian Researchers believe they have identified the prime driver for a startling rise in ...
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1 vote
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Claim that CO2 is less relevant because it is logarithmic [duplicate]

This video presents and claims that doubling the CO2 levels would only increase the global warming by 1%, whatever that means. Now it seems like the graph contains real data, so what is up with the ...
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-11 votes
1 answer
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Is the Earth flat? [closed]

The Christian bible has a number of verses that suggests the Earth is flat. Isaiah 40:22: He sits enthroned above the circle of the earth, and its people are like grasshoppers. He stretches out the ...
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2 votes
1 answer
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Must the surface of all standing water have a certain degree of convexity (every part must be an arc of a circle)? [closed]

According to the Flat Earth Society, the Bishop Experiment demonstrates that it is possible to see Lighthouse Beach from Lovers Point and vice versa on a very clear and chilly day. So: IF the earth ...
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43 votes
1 answer
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Is "Earth Overshoot Day" a useful or reliable metric of humanity's effect on the world?

Apparently, we are rapidly approaching Earth overshoot day and that day gets earlier every year. The Guardian explains: Humanity is devouring our planet’s resources in increasingly destructive ...
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10 votes
2 answers
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Did the Indian Mathematician Aryabhata state that the earth was round and calculate diameter of earth

Aryabhata was a genius mathematician, no doubt. But there is also the books about astronomy supposedly written by him. It is believed by Indians that he stated that earth was round. He belonged to 476 ...
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Is the Yellowstone volcano due to explode?

With NASA plans for stopping a potential cataclysm I found the following statement repeated by several news sources (like BBC): But Yellowstone explodes roughly every 600,000 years, and it is about ...
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5 votes
1 answer
733 views

Is a third of Earth's land desert?

According to an episode of David Attenborough's Planet Earth (only reference I could find is here), a third of Earth's land is covered by deserts. I just cannot believe this. Yes, there is plenty of ...
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140 votes
3 answers
26k views

Are some oceans so remote that the closest person is in the space station?

I was listening to BBC news radio last night - 18th day of May 2017 and I heard this guest who was campaigning for people to stop dumping trash in the oceans. Probably not the same very words but the ...
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1 answer
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Did every signer of the Declaration of independence (US) said they believed that men and women were created?

According to this video, Mike Pence said: every signer of the Declaration of independence believed that men and women were created and were endowed by that same creator. Did they express such ...
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31 votes
4 answers
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Was the Earth one big ocean once?

Many people believe that Earth was one big ocean at some point in its past. During Noah’s time the earth was completely covered with water. There are many other examples, not all related to Noah. ...
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10 votes
0 answers
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Proof that the earth is round? [closed]

There are people claiming that the earth is flat. Most notably the flat earth society. While I believe this is mostly run by people with good knowledge of science having a fun side-project, I'm having ...
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4 votes
1 answer
483 views

Does "geopathic stress" cause illness?

There are huge number of articles out there claiming that earth emits some sort of electromagnetic waves. When they are disturbed, it causes geopathic stress to humans which causes various illnesses. ...
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4 votes
1 answer
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Did granite form instantly?

Is it true that granite has formed in a matter of hours as described (and explained) in "Fingerprints of creation" by Robert Gentry (http://www.halos.com/). The following simple analogy ...
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20 votes
2 answers
3k views

Would life not exist on Earth if it was one kilometer closer to, or farther from, the sun?

A lot of my friends (especially creationist ones) tell me that if planet earth was one kilometer closer to the sun, it would heat up too much and life wouldn't exist. On the other hand, if planet ...
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1 answer
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Do 25 million meteors enter Earth's atmosphere each day?

It is claimed that about 25 million meteors enter Earth's atmosphere each day and most of them burn up and turn into dust. About 25 million meteors enter the Earth's atmosphere every day (duck!). ...
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4 votes
1 answer
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Could meteors have been been formed with lead, and mislead radiometric dating?

The age of the Earth has been determined by radiometric dating of meteorites, by seeing how much uranium has decayed into lead. How do we know the meteor samples weren't formed with lead already in ...
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10 votes
2 answers
2k views

Did Pangaea exist?

I recently had an argument with a conspiracy theory type who had a bunch of strange ideas about a number of pretty well established scientific phenomenon. One that I had never heard before, nor can I ...
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13 votes
2 answers
6k views

What was the density of prehistoric Earth atmosphere (dinosaurs buoyancy theory)

There is a site by David Esker named Dinosaur Theory: dinosaurtheory.com. David says that dinosaurs was so big because the early (at dinosaurs age) earth atmosphere was very dense and most mass of ...
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19 votes
3 answers
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How much has Magnetic North shifted in the last few years and would this affect aeronautics?

I was talking to a contractor at a major U.S. airport, a Project Manager who told that they were moving the runways due to the shifting of 'Magnetic North'. I have heard that the poles have shifted ...
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3 votes
1 answer
564 views

Evidence for early Earth's atmosphere

What best evidences there are that demonstrate what Earth was like in its early years? According to this video Earth started out with no oxygen in its atmosphere. And according to this link the Earth'...
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69 votes
3 answers
33k views

Is Earth as smooth as a billiard ball?

I've heard it said (on the YouTube channel vsauce) that the earth is smoother than a billiards ball if it's scaled down. Is this true? Of course the earth is relatively smooth: Mt. Everest: ~10km+ ...
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12 votes
1 answer
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Is the Bible (Christian and Hebrew) the first one to suggest that the Earth is a sphere?

This website claims that the bible is the first to suggest that earth is a sphere way before the Greeks. A literal translation of Job 26:10 is “He described a circle upon the face of the waters, ...
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11 votes
1 answer
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Is the pale blue dot Earth?

Is the pale blue dot Earth in the image taken by Voyager? What I'm wondering is, why is there no other thing visible in the frame(like sun, other planets etc.,). How is the camera able to capture only ...
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18 votes
2 answers
2k views

Did Earth collide with a planet in its early days of formation?

I was watching documentary about Earth's formation National Geographic. They made this following statement. ......An astonishing event is about to take place.The Earth is on a collision course with ...
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0 votes
0 answers
283 views

Is kabbah the center of the earth [duplicate]

Possible Duplicate: Question about the Kabbah and the center of the earth In the following video it is claimed that Kabbah is the center of the earth. What is the scientific proof of this claim. ...
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24 votes
2 answers
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Was the Earth originally smaller and ocean-free?

This article on Viewzone proposes that the Earth used to be smaller, and the existing continents fitted neatly together, covering the entire globe with land. As the Earth expanded, the oceans formed, ...
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