Cosmology
Cosmology in the Year 1 Trillion
[/caption]Much of what is known today about the birth of the cosmos comes from astronomical observations at high redshifts. Due…
Examining the Great Wall
[/caption] Structure exists on nearly all scales in the universe. Matter clumps under its own gravity into planets, stars, galaxies,…
A New Spin on Galactic Evolution
There's a new concept in the works regarding the evolution of galactic arms and how they move across the…
Did the Early Universe Have Just One Dimension?
[/caption] From a University of Buffalo press release: Did the early universe have just one spatial dimension? That's the mind-boggling…
Antigravity Could Replace Dark Energy as Cause of Universe’s Expansion
[/caption] Since the late 20th century, astronomers have been aware of data that suggest the universe is not only expanding,…
Halos Gone MAD
[/caption] One of the successes of the ΛCDM model of the universe is the ability for models to create structures…
Profile of a Lonely Galaxy
[/caption] The vast majority of galaxies exist in clusters. These clusters are joined on larger scales by filaments and sheets…
Cosmology 101: The End
[/caption] Welcome back to the third, and last, installment of Cosmology 101. So far, we've covered the history of the…
Cosmology 101: The Present
[/caption] Welcome back! Last time, we discussed the first few controversial and eventful moments following the birth of our cosmos.…
Cosmology 101: The Beginning
[/caption] Editor's note: The article "The Universe Could be 250 Times Bigger Than What is Observable" sparked a sizable discussion…