Closest Habitable Planet to Earth Found | Pale Red Dots Proxima b | What the Physics @DrMartinArcher
Closest Habitable Planet to Earth Found | Pale Red Dots Proxima b | What the Physics  @DrMartinArcher
Uploaded August 2016 | Updated September 2026, 1 week ago
The Pale Red Dot campaign has uncovered an Earth-like exoplanet in the habitable zone around our nearest neighbour star, Proxima Centauri. Here's everything you need to know about this newly discovered world dubbed Proxima b. See my previous video for more on Pale Red Dot and exoplanets around red dwarf stars youtube.com/watch?v=zonDwR2uyFs

W: martinarcher.co.uk
T: twitter.com/martinarcher
F: facebook.com/drmartinarcher

00:21 Pale Red Dot campaign & Radial Velocity/Doppler Method
01:01 Measurements of Proxima Centauri & sign of a planet
01:26 Proxima b's orbit
01:46 Habitability of Proxima b
02:46 Is it Earth-like?
03:35 Journey to Proxima Centauri: Gravity Assists/Slingshots or Starshot?


Links for more information

Nature paper on Proxima b discovery
nature.com/articles/doi:10.1038/nature19106

ESO Press Release
eso.org/public/news/eso1629

Pale Red Dot Blog
palereddot.org

Cool Worlds video with Dr Guillem Anglada, lead author on study
youtu.be/59ClESB1AqA

High Accuracy Radial velocity Planet Searcher (HARPS) at European Southern Observatory's 3.6m telescope
eso.org/sci/facilities/lasilla/instruments/harps.html

Other observatories involved in the discovery
spaceobs.com
lcogt.net

Circumstellar Habitable Zone
en.wikipedia.org/wiki/Circumstellar_habitable_zone

Upcoming instruments/missions which could study Proxima b (ELT, JWST and Starshot)
eso.org/e-elt
jwst.nasa.gov
breakthroughinitiatives.org/Initiative/3


Thanks to Dr Guillem Anglada Escude (Queen Mary University of London), project co-ordinator on Pale Red Dot
Music by bensound.com
Additional Image/Video Credits: ESO, Space Engine, Warner Brothers, NOAA, VIIRS, M. Kornmesser, G. Coleman, L. Calçada

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Why not watch "What is Doctor Strange's Dark Dimension? Gravity, Dimensions & Hierarchy Problem | Physics vs Film"
youtube.com/watch?v=SgZsvUQWkX4
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Closest Habitable Planet to Earth Found | Pale Red Dot's Proxima b | What the Physics

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