redshift
What Is A Quasar?
I love it when scientists discover something unusual in nature. They have no idea what it is, and then over…
11 years ago
How To Measure the Universe
Measuring distance doesn't sound like a very challenging thing to do -- just pick your standard unit of choice and…
12 years ago
Most Distant Quasar Opens Window Into Early Universe
[/caption]Astronomers have uncovered yet another clue in their quest to understand the Universe's early life: the most distant quasar ever…
13 years ago
Gravitational Redshifts: Main Sequence vs. Giants
[/caption]One of the consequences of Einsteins theories of relativity is that everything will be affected by gravitational potentials, regardless of…
14 years ago
Einstein’s General Relativity Tested Again, Much More Stringently
[/caption] This time it was the gravitational redshift part of General Relativity; and the stringency? An astonishing better-than-one-part-in-100-million! How did…
15 years ago