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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
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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?
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Jan 11th: Life In Space
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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
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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?
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Nov 9th: Practicalities
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Oct 12th: The Big Questions
How long did the Universe take to complete the periodic table? Is Interstellar travel really out of the question? @CheapAstro will answer these questions today.
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Sep 4th: Unsubstantiated Claims
Are there really primordial black holes? What do you make of the helical drive? Today @CheapAstro investigates some unsubstantiated claims
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Jul 27th: Space is Hard & Mars is Harder
Is there any point in ‘Nuking’ Mars? How are we going to get home from Mars? more with @CheapAstro at #365DaysOfAstro