Back in black. @CheapAstro dives head first into some more black holes. What’s in a black hole? Can you really have planets around a black hole?
Jul 26th: Black Holes, Again!
Cheap Astro Archive
May 24th: Clarifications
Today at #365DaysOfAstro, @cheapastro questions some questions. Do we have the ability to measure the exact amount of heat arriving at the Earth from the Sun? & If we want a lunar orbiting space station, couldn’t we just send the ISS there?
Apr 26th: Distant Horizons
Cheap Astronomy explores some old horizons and answers these questions. If the Big Bang happened 13.8 billion years ago how come we can still see it? How can we observe things that are receding from us at faster than the speed of light?
Mar 22nd: Living Things
Can life arise in a hydrogen atmosphere? What other forms of life are possible?
Feb 22nd: Galaxies Matter!
On the grand scale of things, galaxies are on the grand scale of things. How does the galaxy rotate? What is intergalactic dust made of? @cheapastro at #365DaysofAstro
Feb 8th: Fantastic Physics Formulas: E=mc^2
E=mc squared is a nice straight-forward formula, indeed the energy-mass equivalence concept that underlies it is pretty straight-forward too. But why is that constant a velocity – and why is it squared?
Jan 11th: Life In Space
Does life arise from extremophiles or do extremophiles arise from life? Will we have pets in space?
Dec 14th: It’s A Weird Place, But We’re Getting To Know It!
Today @CheapAstro is about time and timing. What is time made of? Is Betelguese about to blow? Find the answers at #365DaysOfAstro
Nov 30th: Cosmology Conundrums
Today @CheapAstro takes some cheap shots at dubious cosmology claims. What exactly is vacuum energy? What do you make of Massive Gravity?
Nov 9th: Practicalities
Cheap Astronomy uncovers some of the inconvenient truths of space travel.