Podcaster: Steve Nerlich
Title: Dear CA #114: Making Sense of Complexity
Organization: Cheap Astronomy
Links: http://cheapastro.com
Description: Cheap Astronomy investigates our expanding universe, as well as some dead planets.
Dear Cheap Astronomy – Why do further way galaxies moving faster mean the Universe is expanding?
It is all a lot to take in – not only is farther away stuff moving faster, also the Universe is expanding faster now than it was in the past and there’s standard candles and red-shift and much room for confusion.
Dear Cheap Astronomy – Is there such a thing as a dead planet?
To start with it’s probably unreasonably biocentric to define spherical objects that orbit the Sun and have cleared their orbits, as either alive or dead. We can redefine the question in terms of being geologically-active or not, but there it gets difficult to draw a line between what’s active and what isn’t.
Bio: Cheap Astronomy offers an educational website where you’re only as cheap as the telescope you’re looking through.
Today’s sponsor: Big thanks to our Patreon supporters this month: Paul M. Sutter, Chris Nealen, Frank Frankovic, Frank Tippin, Jako Danar, Michael Freedman, Nik Whitehead, Rani Bush, Ron Diehl, Steven Emert, Brett Duane, Don Swartwout, Vladimir Bogdanov, Steven Kluth, Steve Nerlich, Phyllis Foster, Michael W, James K Wood, Katrina Ince, Cherry Wood.
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End of podcast:
365 Days of Astronomy
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