In today’s episode, we’re going to look at everything from how past Earth couldn’t support photosynthesis because the days were just too short, to current Earth letting us get hit by more Cosmic Rays prior to Earthquakes going off, and to supernovae threatening our world while alien stars eat other planets.
Today #365DaysOfAstro explains how many stars there are. How many can you see with your eyes, with binoculars or a small telescope? How many stars in the Milky Way? How many in the entire Universe?
The biggest question of them all…why the Universe exists? Find the answers along with other questions on today’s @AwesomeAstroPod at #365DaysOfAstro
It seems like the good times will go on forever, so feel free to keep on wasting energy. But entropy is patient, and eventually, it’ll make sure there’s no usable energy left in the Universe.
Today’s @AwesomeAstroPod talks about latest JWST findings that may have broken cosmology and changed everything we thought we knew about the history of the universe. Also March Sky Guide!
How do we know that the universe doesn’t rotate? Why would it matter if it did? What does all this have to do with time travel?
Astronomers have finally solved one of the outstanding mysteries in cosmology. Forget about all the dark matter and dark energy, where’s all the missing regular mass in the Universe? This has been called the “missing baryon problem”.
A simple explanation of the size of the universe, how the universe grew so big and how big it will get.
While astronomers have observed white dwarfs consuming companion stars on numerous occasions, for the first time, they have now observed the consumption of the companion’s helium and not just hydrogen.