No, its shape is flat. It has zero curvature.

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Con: Observations made by the Hubble telescope have produced evidence that the universe is full of "dark energy", stuff that has mass but does not emit nor block light, and that a disregarded theory first postulated by Einstein about "negative gravity" is actually valid. This would provide firm evidence that the universe will not collapse in a "big crunch" but will expand indefinitely, making therefore the universe curvature.

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Con: If the universe was flat there's an available evidence that points it on a bad position where if you fire a beam of light in such universe, it would keep going straight out into the void forever. In a curved, sphere-shaped universe like the one that Silk and his team posited, however, that beam would eventually curve back around and wind up right back where it started.

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Con: A New recently sent to space stallite has suggest the universe has got a curvature, forcing it to be either Closed or Open than Flat. Staellite Name: ESA’s Planck satellite Source: SCI NEWS

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Con: The Universe would appear flat because we only see the visible universe, since the light has not had time to show us what is beyond

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Pro: Is flat because in the analisys of the matter and energy in the universe and studies in the CMB it is seen that it has no curvature

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Pro: It’s flat because there’s no distortion in light by the curvature and we can see the planets with its real form, rounded.

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Pro: There are some achieves that prove it's flat. In August 2011 the Supernova Legacy Survey team published results showing that Ωk = –0.002 ± 0.006. In February of 2012 the Hubble Space Telescope Cluster Supernova Survey team determined that Ωk = 0.002 ± 0.005. A combination of these two results confirms that the universe possesses a flat geometry to within three places of the decimal (much less than one percent).

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Pro: Specifically, the data sets from the WMAP placed these limits on the universe’s curvature, Ωk. Where Ωk = 0 defines perfect flatness, the best measurements showed Ωk to lie between –0.199 and 0.017.2.

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Pro: The CMB temperature fluctuations provide a rough indication that the universe manifests a flat geometry.

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Pro: and in the event that it went out at this very moment we would continue to see it for another 4 years when it would go out. This theory is more than proven and according to scientific articles it would only be compatible if the universe had a flat shape

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Con: For the universe to be flat, the universe has to be infinite and according to Steven Hawking, eternal inflation as a Big Bang theory is wrong, therefore, the universe has limits.

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Pro: Its flat because some of the arguments from the theory of relativity agree that the universe is flat, and more exact studies from willem of sitter agree this theory too.

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Pro: Another evidence that the universe is flat is that it has a total net energy of zero. That's why it isn't with a saddle shape with negative curvature.

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Con: It cannot be flat because it is asymmetric in its two hemispheres, which makes the hyperbolic shape more evident.

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Con: The bing bang theory states that the universe should be expanding until X point due to gravity reflect on it.

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Pro: Physicists Christian Marinoni and Adeline Buzzi of the Université de Provence in France have found a new way to test the dark energy model that is completely independent of previous studies. Their method relies on distant observations of galaxy pairs to measure the curvature of space. In their work, they collaterally came up with the proof that the Universe can only be flat.

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Pro: There is a theory called Microwave Background Radiation (CMB) which in short tells us that if we look into space what we are seeing is an image of the past, I mean, the sun is located about 150 million kilometers from Earth by what the sun's rays take 8 minutes to reach us therefore we are seeing an image of the sun 8 minutes ago, in the same way it happens with the star Proxima Centauri which is located more or less 4 light years from us is say we are seeing an image of that star for 4 years ++

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Pro: Experimental data from various independent sources (WMAP, BOOMERanG, and Planck for example) confirm that the universe is flat with only a 0.4% margin of error.So there is no posibility to have a saddle shaped universe

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Pro: Most of us are familiar with what happens if we draw a triangle on a flat, uncurved sheet of paper: the three interior angles of that triangle will always add up to 180°. But if you instead have a surface of positive curvature, like a sphere, your angles will add up to a greater number than 180°, with larger triangles (compared to the sphere’s radius) exceeding that 180° number by greater amounts.So this dont lead us to a saddle universe as our classmates had said in class.

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Pro: New measurements of the cosmic microwave background by the Atacama Cosmology Telescope find that the universe is flat, with a density matching the critical density.This means that our universe is flat and not like the shape of a saddle.

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Pro: Most cosmological evidence points to the universe's density as being just right — the equivalent of around six protons per 1.3 cubic yards — and that it expands in every direction without curving positively or negatively. In other words, the universe is flat.

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Pro: According to Einstein's General Relativity, planets, stars and galaxies are in a network known as space-time, which is warped by mass and thus explains the existence of gravitational fields. This theory is based on the idea that matter tells space how to curve and space tells matter how to move. They do this by means of a very important formula known as Einstein's field equation. (Sigo abajo)

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Con: as my other colleagues have said, they think that the universe is flat (like a cube, or rectangle) so they would be saying that it is finite when it would be infinite

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Con: If the universe is flat, it would have a curvature of 0 and it would be infinite, so this form is impossible.

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Pro: In a flat universe, all local curvatures and local geometry are flat. In general, it can be described by Euclidean space, however there are some spatial geometries that are flat and bounded in one or more directions. This includes, in two dimensions, the cylinder, the torus, and the Möbius strip. Similar spaces in three dimensions (like the Klein bottle) exist as well. The latest measurements of the curvature of space,

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Pro: Universe is flat, this is believed to be a consequence of inflation. In cosmology, inflation describes the theory that the universe underwent an exponential expansion of space the instant after the Big Bang. The expansion only lasted for 10−36 seconds after the Big Bang before the expansion slowed significantly. Experimental evidence from as early as the 1960s began to indicate that the density of the universe was very close to the critical density, or the density necessary for a flat universe.

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Pro: According to the Theory of General Relatively developed by German-born theoretical physicist Albert Einstein, the overall shape of the universe depends on the average density of matter and energy in the universe. The universe can only be flat.

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Pro: Over the past few decades, astronomers have measured the temperature fluctuations in the CMB very accurately. The results have shown to a high degree of accuracy that the density of the Universe is such that it expands in every direction without any positive or negative curvature, so the universe is flat.

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Pro: The universe expands in a balanced way between the speed and the density that dont make the universe to collapse, so this lead us to the flat shape

Shape and size of the universe

No, its shape is flat. It has zero curvature.

Pros

Cons

It’s flat because there’s no distortion in light by the curvature and we can see the planets with its real form, rounded.

Is flat because in the analisys of the matter and energy in the universe and studies in the CMB it is seen that it has no curvature

Another evidence that the universe is flat is that it has a total net energy of zero. That's why it isn't with a saddle shape with negative curvature.

Its flat because some of the arguments from the theory of relativity agree that the universe is flat, and more exact studies from willem of sitter agree this theory too.

Most cosmological evidence points to the universe's density as being just right — the equivalent of around six protons per 1.3 cubic yards — and that it expands in every direction without curving positively or negatively. In other words, the universe is flat.

New measurements of the cosmic microwave background by the Atacama Cosmology Telescope find that the universe is flat, with a density matching the critical density.This means that our universe is flat and not like the shape of a saddle.

Experimental data from various independent sources (WMAP, BOOMERanG, and Planck for example) confirm that the universe is flat with only a 0.4% margin of error.So there is no posibility to have a saddle shaped universe

and in the event that it went out at this very moment we would continue to see it for another 4 years when it would go out. This theory is more than proven and according to scientific articles it would only be compatible if the universe had a flat shape

The universe expands in a balanced way between the speed and the density that dont make the universe to collapse, so this lead us to the flat shape

According to the Theory of General Relatively developed by German-born theoretical physicist Albert Einstein, the overall shape of the universe depends on the average density of matter and energy in the universe. The universe can only be flat.

The CMB temperature fluctuations provide a rough indication that the universe manifests a flat geometry.

Specifically, the data sets from the WMAP placed these limits on the universe’s curvature, Ωk. Where Ωk = 0 defines perfect flatness, the best measurements showed Ωk to lie between –0.199 and 0.017.2.

The bing bang theory states that the universe should be expanding until X point due to gravity reflect on it.

as my other colleagues have said, they think that the universe is flat (like a cube, or rectangle) so they would be saying that it is finite when it would be infinite

It cannot be flat because it is asymmetric in its two hemispheres, which makes the hyperbolic shape more evident.

For the universe to be flat, the universe has to be infinite and according to Steven Hawking, eternal inflation as a Big Bang theory is wrong, therefore, the universe has limits.

The Universe would appear flat because we only see the visible universe, since the light has not had time to show us what is beyond

A New recently sent to space stallite has suggest the universe has got a curvature, forcing it to be either Closed or Open than Flat. Staellite Name: ESA’s Planck satellite Source: SCI NEWS

If the universe is flat, it would have a curvature of 0 and it would be infinite, so this form is impossible.

Selected thesis

No, its shape is flat. It has zero curvature.

Pro claim 1, children below

It’s flat because there’s no distortion in light by the curvature and we can see the planets with its real form, rounded.

Pro claim 2, children below

Is flat because in the analisys of the matter and energy in the universe and studies in the CMB it is seen that it has no curvature

Pro claim 3, children below

Another evidence that the universe is flat is that it has a total net energy of zero. That's why it isn't with a saddle shape with negative curvature.

Pro claim 4, children below

Its flat because some of the arguments from the theory of relativity agree that the universe is flat, and more exact studies from willem of sitter agree this theory too.

Pro claim 5, children below

Pro claim 6, children below

Most cosmological evidence points to the universe's density as being just right — the equivalent of around six protons per 1.3 cubic yards — and that it expands in every direction without curving positively or negatively. In other words, the universe is flat.

Pro claim 7, children below

New measurements of the cosmic microwave background by the Atacama Cosmology Telescope find that the universe is flat, with a density matching the critical density.This means that our universe is flat and not like the shape of a saddle.

Pro claim 8, children below

Pro claim 9, children below

Experimental data from various independent sources (WMAP, BOOMERanG, and Planck for example) confirm that the universe is flat with only a 0.4% margin of error.So there is no posibility to have a saddle shaped universe

Pro claim 10, children below

Pro claim 11, children below

and in the event that it went out at this very moment we would continue to see it for another 4 years when it would go out. This theory is more than proven and according to scientific articles it would only be compatible if the universe had a flat shape

Pro claim 12, children below

The universe expands in a balanced way between the speed and the density that dont make the universe to collapse, so this lead us to the flat shape

Pro claim 13

Pro claim 14, children below

Pro claim 15

According to the Theory of General Relatively developed by German-born theoretical physicist Albert Einstein, the overall shape of the universe depends on the average density of matter and energy in the universe. The universe can only be flat.

Pro claim 16, children below

Pro claim 17, children below

The CMB temperature fluctuations provide a rough indication that the universe manifests a flat geometry.

Pro claim 18, children below

Specifically, the data sets from the WMAP placed these limits on the universe’s curvature, Ωk. Where Ωk = 0 defines perfect flatness, the best measurements showed Ωk to lie between –0.199 and 0.017.2.

Pro claim 19

Pro claim 20, children below

Con claim 1, children below

The bing bang theory states that the universe should be expanding until X point due to gravity reflect on it.

Con claim 2, children below

as my other colleagues have said, they think that the universe is flat (like a cube, or rectangle) so they would be saying that it is finite when it would be infinite

Con claim 3, children below

It cannot be flat because it is asymmetric in its two hemispheres, which makes the hyperbolic shape more evident.

Con claim 4, children below

For the universe to be flat, the universe has to be infinite and according to Steven Hawking, eternal inflation as a Big Bang theory is wrong, therefore, the universe has limits.

Con claim 5, children below

The Universe would appear flat because we only see the visible universe, since the light has not had time to show us what is beyond

Con claim 6, children below

A New recently sent to space stallite has suggest the universe has got a curvature, forcing it to be either Closed or Open than Flat. Staellite Name: ESA’s Planck satellite Source: SCI NEWS

Con claim 7, children below

Con claim 8

Con claim 9, children below

If the universe is flat, it would have a curvature of 0 and it would be infinite, so this form is impossible.