What’s the deal with redshift? How can we actually interpret velocities when it comes to cosmic expansion?
Book Review: “Universal: A Guide to the Cosmos” by Brian Cox & Jeff Foreshaw
It turns out that the universe is kind of big. If the universe is important are we immortal? Did life happen on Venus and Mars?
What is the “cosmic calendar”? What are some important scales in the universe?
An unwelcome dearth of solar system objects with Jupiter, Mars and Saturn low on the horizon, but dwarf planet Ceres is at opposition and we also have a few nice conjunctions to enjoy in May.
What’s the difference between the universe and the multiverse? Do we live in the multiverse? @PaulMattSutter at #365DaysOfAstro
The day when the Universe tried to Declare War. #365daysOfAstro @astronomyCast