Tags: Abu Ma’shar, Andreas Celichius, Churyumov–Gerasimenko, Comet Donati, Comet Encke, Comet of 1577, Cometomantia, Dirty Snowball, Electric Comet Theory, Flying sandbank, Fred Whipple, Galileo, Halley's Comet, History of comets, Leuschner, Opik, Raymond Lyttleton, Robert Aitken, Rosetta, The Oort Cloud, Tycho Brahe, William Campbell
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Old-school Cometary Theory: Above or Below the Moon?
5 JanHow Do We Know if Something is “Above the Moon”?
Where do comets come from? Other than the sins of human beings rising every hour until the stench and horror turns into a comet (a reference to Andreas Celichius, The Theological Reminder of the New Comet, 1578).
So, Oort Cloud? Human sin? It could go either way.
Continue readingUnderstanding Black Holes (Part 2)
2 NovWhat’s the Difference Between Black Holes?
Specifically, Intermediate Mass Black Holes (IMBH) and Super Massive Black Holes (SMBH). Hope you enjoy it!
Links and things:
Understanding Black Holes (Part 1)
26 Oct
This is the first part of understanding the different types of black holes. An introduction to what black holes are and what makes them suck so hard.
Links and things:
Supermassive Black Hole by Muse
(Did you notice, Deecrowseer??? I totally used the correct song.)
Links and other info:
Dheeraj Pasham’s Website
Clips taken from:
Event Horizon, 1997, Paramount Pictures
Stargate SG-1, S2 E16, 1998, MGM Television
Star Trek, 2009, Spyglass Entertainment & Bad Robot Productions
Picture of Stellar Mass Black Hole
Going Once… Going Twice…
17 AprOn Monday (ok, let’s be honest, it was really Tuesday) there was a full lunar eclipse. I was at the observatory with hundreds of people (in a town so small you can drive from one end to the other in 10 minutes) for about 6 hours. It was brutal. Not because of the work, not because of the lateness, but because of the throngs of people. And it was for a partial lunar eclipse (or what some people want to call a ‘blood moon’ and that shouldn’t irritate me but it kind of does…)
This one was really hyped up on social media which is why it was so well attended. But the thing about lunar eclipses (especially partial) is they occur with great frequency, at least twice a year and they are so, so, so not a once in a lifetime event.
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