How Old and What Shape is Earth?

[ThirtyThree]

How old is Earth? Most suggest it is 4.5 billion years old. Some hold to that it is just over 6,000. How old is it and is there concrete evidence? Likewise, what Shape is the Earth? Is it hollow if a globe? Is there concrete evidence?

 

[HonestJoe]

The Earth is an oblate spheroid. It's a few billion years old but exactly how many isn't entirely clear and depends on at what point in it's development you start counting.

 

[ThirtyThree]

The Earth is an oblate spheroid. It's a few billion years old but exactly how many isn't entirely clear and depends on at what point in it's development you start counting.

Provide concrete evidence?

 

[Parsimony]

It's round and 4.54 billion years old. For evidence of the age, look up how radiometric dating works. For the roundness, there are too many pieces of evidence to list. Use your imagination and it's easy enough to think of the consequences of the Earth's flatness that would be at odds with things we know to be true (and conspiracy is not a compelling counterargument).

 

[Ouroboros]

4.5 By

Other: Oblong shaped.

 

[ThirtyThree]

4.5 By

Other: Oblong shaped.

Oblate spheroid.

 

[Jonathan Ainsley Bain]

It is quite common knowledge that the Moon is receding from the Earth at 38mm per year and is about 384 000 km distant.
Do the math.

That would make the separation between Earth and Moon about 10 billion years ago.
Not 4.5 billion years as is commonly regurgitated by the unthinking parrots of academia.

But then its all about popularity and status and little to do with logic itself, innit?

 

[Orbit]

How old is Earth? Most suggest it is 4.5 billion years old. Some hold to that it is just over 6,000. How old is it and is there concrete evidence? Likewise, what Shape is the Earth? Is it hollow if a globe? Is there concrete evidence?

Earth is an oblate spheroid. You're welcome.

 

[Ouroboros]

How old is Earth? Most suggest it is 4.5 billion years old. Some hold to that it is just over 6,000. How old is it and is there concrete evidence?

Evidence for 6,000 years: An ancient book. You learn it by interpreting the genealogies and adding up the ages of the people.

Evidence for 4.5 By: multiple methods of testing like paleomagnetism, radiometric/isotope, asteroids, and more, from research done by thousands of scientists for the past 100+ years, producing some hundred thousand books in the subject. You learn it, and have a chance to look at the evidence by taking geology classes at college or university.

Likewise, what Shape is the Earth? Is it hollow if a globe? Is there concrete evidence?

I think there's been several experiments confirming the shape of Earth is slightly oblate spheroid.

But most important of all, it would make sense considering momentum from the spin that it would take on such a shape.

 

[ThirtyThree]

It is quite common knowledge that the Moon is receding from the Earth at 38mm per year and is about 384 000 km distant.
Do the math.

That would make the separation between Earth and Moon about 10 billion years ago.
Not 4.5 billion years as is commonly regurgitated by the unthinking parrots of academia.

But then its all about popularity and status and little to do with logic itself, innit?

Thank you.

 

[Ouroboros]

It is quite common knowledge that the Moon is receding from the Earth at 38mm per year and is about 384 000 km distant.

Has it always receded at that speed? Wouldn't gravity hold a stronger grip when it was closer and slow the recession down, essentially a growing spiral?

 

[Ouroboros]

Oblate spheroid.

Right so.

I just remembered the oblong word from some show a while ago, but looked up the correct word after. Oblongs apply to 2D plane. It's the shape of Earth's silhouette.

 

[muhammad_isa]

Provide concrete evidence?

Concrete is a relatively recent building material .. it's first use that we know of was in the building of the pyramids around 5000 years ago

Seriously though .. our measure of time has to be relative to something .. the scientific definition is just a convenience

 

[`mud]

There isn't anything as short as 'now' !
And infinity has no container !
~
'mud

 

[Terrywoodenpic]

The moon's recession proves nothing.
we are still unsure how when and where the moon formed.
find out,
go do the math again.

 

[McBell]

It is quite common knowledge that the Moon is receding from the Earth at 38mm per year and is about 384 000 km distant.
Do the math.

Show yours.
All of it.

Please start with the distance the moon started from the earth and how you know that is the distance the moon started from the earth.

 

[Saint Frankenstein]

It's 45 years old and it's a tetrahedron.

 

[Shadow Wolf]

The Earth and moon are round, and this is proven by the Lunar Cycles and Eclipses, as nothing else but round objects can produce what we see. As for the age, we not only have a ton of different scientific methods of dating, but we can also look at things like stalactites and sedimentary layers and the fossil record - with nothing more than his eyes Da Vinci reasoned the Earth is at least millions of years old, and today we have the technology to reveal to us what our eyes cannot see.

 

[HonestJoe]

Provide concrete evidence?

No. If you care that much, there multiple sources of evidence that are infinitely more reliable that a random layman on the internet.

 

[Parsimony]

It is quite common knowledge that the Moon is receding from the Earth at 38mm per year and is about 384 000 km distant.
Do the math.

That would make the separation between Earth and Moon about 10 billion years ago.
Not 4.5 billion years as is commonly regurgitated by the unthinking parrots of academia.

But then its all about popularity and status and little to do with logic itself, innit?

The Moon has not always been receding away at 38 millimeters per year: the rate slows down over time because the energy which allows the Moon to move away from the Earth is extracted through the Earth's rotation via gravitational interaction. As more energy is extracted over time, the Earth's rotation slows down and less rotational energy becomes available to push the Moon further away. Eventually, the Earth will be tidally-locked with the Moon and it will cease increasing its distance from us (although this will probably happen after the Sun has already become a red giant, possibly leading to the destruction of the Earth-Moon system before this can occur).