Cool Worlds | Eyeball Earths @CoolWorldsLab | Uploaded 7 years ago | Updated 2 hours ago
Earth-sized planets found in the habitable-zones of low-mass stars are likely to become tidally locked to the star, with one side baked in perpetual sunlight and other trapped in an eternal night. These so-called "Eyeball Earths" turn out to be extremely common and some famous examples include Proxima b and the planets around TRAPPIST-1. Here, we explain why this tidal locking happens and what it means for the potential habitability of these alien worlds.
::More about this Video::
► "Discovery of a Planet around our Nearest Star: Proxima b" Cool Worlds video by Dr Guillem Anglada: youtu.be/59ClESB1AqA
► "Proxima b: Transits, Habitability & How to Get There!" Cool Worlds video by Prof Kipping: youtu.be/tcc635lNRwY
► Gillon et al. (2017), "Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1": http://www.nature.com/nature/journal/v542/n7642/full/nature21360.html
► Video of zonal winds on a tidally locked planet taken from Merlis & Schneider (2010), "Atmospheric dynamics of Earth-like tidally locked aquaplanets": arxiv.org/abs/1001.5117
► Leconte et al. (2015), "Asynchronous rotation of Earth-mass planets in the habitable zone of lower-mass stars": http://science.sciencemag.org/content/347/6222/632
► Cool Worlds Lab website: http://coolworlds.astro.columbia.edu
► Columbia University Department of Astronomy: http://www.astro.columbia.edu
► Outro music by Daft Punk "Harder, Better, Stronger, Faster": http://www.daftpunk.com and http://smarturl.it/DaftPunkiTunes
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Q&A Videos ► http://bit.ly/CoolWorldsQA
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Earth-sized planets found in the habitable-zones of low-mass stars are likely to become tidally locked to the star, with one side baked in perpetual sunlight and other trapped in an eternal night. These so-called "Eyeball Earths" turn out to be extremely common and some famous examples include Proxima b and the planets around TRAPPIST-1. Here, we explain why this tidal locking happens and what it means for the potential habitability of these alien worlds.
::More about this Video::
► "Discovery of a Planet around our Nearest Star: Proxima b" Cool Worlds video by Dr Guillem Anglada: youtu.be/59ClESB1AqA
► "Proxima b: Transits, Habitability & How to Get There!" Cool Worlds video by Prof Kipping: youtu.be/tcc635lNRwY
► Gillon et al. (2017), "Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1": http://www.nature.com/nature/journal/v542/n7642/full/nature21360.html
► Video of zonal winds on a tidally locked planet taken from Merlis & Schneider (2010), "Atmospheric dynamics of Earth-like tidally locked aquaplanets": arxiv.org/abs/1001.5117
► Leconte et al. (2015), "Asynchronous rotation of Earth-mass planets in the habitable zone of lower-mass stars": http://science.sciencemag.org/content/347/6222/632
► Cool Worlds Lab website: http://coolworlds.astro.columbia.edu
► Columbia University Department of Astronomy: http://www.astro.columbia.edu
► Outro music by Daft Punk "Harder, Better, Stronger, Faster": http://www.daftpunk.com and http://smarturl.it/DaftPunkiTunes
::Playlists For Channel::
Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds
Cool Worlds Research ► http://bit.ly/CoolWorldsResearch
Guest Videos ► http://bit.ly/CoolWorldsGuests
Q&A Videos ► http://bit.ly/CoolWorldsQA
Science of TV/Film ► http://bit.ly/ScienceMovies
::Follow us::
SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe
Cool Worlds Lab http://coolworlds.astro.columbia.edu
Twitter twitter.com/david_kipping
Instagram instagram.com/cool.worlds
THANKS FOR WATCHING!! ヅ
