Episode 01: Planets, in a Galaxy Far, Far Away

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Emily is an astronomer at the University of York: www.york.ac.uk/physics/people/brunsden/

Chris can be found online: kipstewart.com

Some of the things we talk about in this episode:

Geocentric models of the universe: en.wikipedia.org/wiki/Geocentric_model

Retrograde motion of planets & heliocentric models: earthobservatory.nasa.gov/Features/OrbitsHistory/

Poor Pluto: www.universetoday.com/13573/why-pluto-is-no-longer-a-planet/

First exoplanet confirmed 1995: exoplanets.nasa.gov/resources/2084/

The transit method: www.planetary.org/explore/space-topics/exoplanets/transit-photometry.html

Kepler mission: kepler.nasa.gov

Exoplanets we know of: exoplanets.nasa.gov

Our location in the Milky Way: www.universetoday.com/65601/where-is-earth-in-the-milky-way/

Douglas Adams’ Hitchhikers opening line: www.goodreads.com/quotes/54481-far-out-in-the-uncharted-backwaters-of-the-unfashionable-end

Extragalactic planets paper: iopscience.iop.org/article/10.3847/2041-8213/aaa5fb

Extragalactic planets news story: www.sciencealert.com/planets-found-in-another-galaxy-quasar-gravitational-microlensing

Quasars: www.spacetelescope.org/science/black_holes/

Gravitational Lensing: en.wikipedia.org/wiki/Gravitational_lens

Einstein and the solar eclipse: www.forbes.com/sites/startswithabang/2017/07/04/how-a-solar-eclipse-first-proved-einstein-right/#6bda2738766a

Funhouse quasar image: phys.org/news/2018-02-astrophysicists-planets-extragalactic-galaxies-microlensing.html

Rogue planets: en.wikipedia.org/wiki/Rogue_planet

Planet HIP13044b: www.space.com/9556-alien-planet-galaxy-discovered.html

Galactic Cannibalism: www.universetoday.com/89086/galactic-cannibalism/

Exoplanet in Andromeda: www.newscientist.com/article/dn17287-first-extragalactic-exoplanet-may-have-been-found/

Exoplanet microlensing a quasar: en.wikipedia.org/wiki/Extragalactic_planet#Twin_Quasar-related_planet