New post in Universe

Is there a natural source of Antimatter in this universe?

August 15th, 2022

Does a place without gravity exist in the universe?

March 22nd, 2020

What is the limit of the universe?

May 17th, 2020

Regarding possibility of infinitely many spatial dimensions

November 12th, 2020

Is the structural similarity between atoms ( smallest) and universe (biggest) a conincidence. Or there can a reason for this beyond imaginations

July 25th, 2020

Can we see ALL of the observable universe?

September 17th, 2020

Why do physicists think that the dark matter is cold?

December 16th, 2020

What if the size of the Universe doubled?

February 28th, 2020

A Fermi-question: Are there more stars than grains of sand?

August 1st, 2022

Entropy of an empty universe

August 15th, 2020

Rotational relativity? Is there an universal frame of reference for rotation?

August 1st, 2022

Obtaining a copy of Hawking's Ph.D thesis - Properties of Expanding Universes

October 24th, 2020

Physical laws prior the big bang (quantum fluctuations)

July 28th, 2020

Why aren't we Boltzmann brains in an infinite universe?

January 6th, 2020

How many states are there in the observable universe?

November 23rd, 2021

Is there a center of the Universe if the Universe is finite?

March 11th, 2020

If randomness doesn't exist, how come the universe isn't a perfect sphere with predictable distribution of matter?

August 1st, 2022

Virtual Particles real? Virtual particles create a universe?

June 7th, 2020

Can the coordinate of the big bang point be calculated via observed universe or it is impossible?

May 14th, 2020

Is the universe linear? If so, why?

March 9th, 2020

What is the extent of the universe?

August 1st, 2022

Does gravity slow the expansion of the universe?

August 1st, 2022

Are we big or small?

August 1st, 2022

Is there anything in the universe that is completely static?

December 6th, 2020

Mathematically possible vs physically probable outcomes

June 18th, 2020

Angular Power Spectrum of CMB

January 28th, 2020

Is "speed relative to the universe" a well-defined concept?

August 26th, 2021

Would one actually find their doppelgänger in a "Googolplex Universe"?

September 26th, 2020

Infinite universe - Jumping to pointless conclusions

January 8th, 2021

What does ionization of neutral Hydrogen have to do with "transparency"?

February 4th, 2020