Inflationary Universe Theory: Origin & Expansion of Cosmos
The inflationary theory suggests that the universe sprang into existence from absolute nothingness around 15 billion years ago, starting from…
cosmology
What is the edge of the Solar System and where is it?
4.6 billion years ago, the Solar System was born from the protoplanetary disk that orbited our Sun, when it was…
What is the Circumstellar habitable zone?
Circumstellar habitable zone (CHZ) is the range of orbits around a star within which a planetary surface can support liquid…
DEGENERATED: WHEN THE UNIVERSE WILL STOP MAKING STARS!!
As the universe ages on incomprehensibly long timescales, the stars disappear from sight before matter itself begins to decay….
How to measure distances between galaxies in a constantly expanding universe?
The universe is constantly expanding, and this has observable consequences. One is something called redshift. As galaxies move away from…
Do We Live in a Multiverse?
As far as we currently know, there is a single expanding blob of spacetime speckled with trillions of galaxies –…
Perhaps there is no problem in the different measures of the expansion rate of the universe!
The Hubble constant, which determines the rate of expansion of the universe, has been one of the hottest debates among…
What is the Dark flow?
Dark flow is a theoretical non-random component of the peculiar velocity of galaxy clusters. The actual measured velocity is the…
The entire history of the Universe in an intricate spiral (infographic)
A magnificent infographic illustrates the entire history of the Universe in an intricate spiral, 13.7 billion years old grouped together…
The Universe’s First Type of Molecule – Helium hydride!!!
The first type of molecule that ever formed in the universe was detected in space for the first time in…