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- 40 Eridani
- 55 Cancri
- 55 Cancri d
- A
- Abiogenesis
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- Accretion disk
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- Apsis
- Argument of periapsis
- ArXiv
- Asteroid belt
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- Atmosphere
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- A-type main-sequence star
- BBC News
- Beehive Cluster
- Beta Cancri
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- Bond albedo
- Breakthrough Initiatives
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- Brown dwarf
- B-type main-sequence star
- Bulletin of the American Astronomical Society
- Cambridge University Press
- Cancer
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- Carbon planet
- Carl Sagan Institute
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- Discover Magazine
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- Gram
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- G-type main-sequence star
- Harvard–Smithsonian Center for Astrophysics
- Helium
- Helldiver
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- Herbig Ae/Be star
- High Accuracy Radial Velocity Planet Searcher
- Hills cloud
- Host star
- Hot Jupiter
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- Hubble Space Telescope
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- IAU definition of planet
- Ice giant
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- Interplanetary dust cloud
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- IO
- Iron
- James Webb Space Telescope
- JSTOR
- Kalmbach Publishing
- Kelvin
- Kepler
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- K-type main-sequence star
- Kuiper belt
- Laboratory for Laser Energetics
- Lava
- Lava planet
- Lawrence Livermore National Laboratory
- Les Info
- LHS 1140
- Lists of planets
- Lyman-alpha line
- Magma
- Magma ocean
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- Monthly Notices of the Royal Astronomical Society
- Most
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- Nature
- Nebular hypothesis
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- Nexus for Exoplanet System Science
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- OJ 287
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- Polarimetry
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- Proxima Centauri
- Proxima Centauri b
- PubMed
- Pulsar
- Pulsar planet
- Radial velocity
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- Red Dwarf
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- Retrograde and prograde motion
- Reuters
- Ring system
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- Rubble pile
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- Sample-return mission
- Science Daily
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- Semi-major and semi-minor axes
- Seth Shostak
- Solar System
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- Spitzer Space Telescope
- Star
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- Stéphane Udry
- Strange New World
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- Sun
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- Surface gravity
- Temperature
- Terrestrial planet
- Texas
- The Astronomical Journal
- The Astrophysical Journal
- The Hamilton Spectator
- Thermal infrared spectroscopy
- The Strange
- The Sydney Morning Herald
- Theta Cancri
- Tholin
- Tidal locking
- Titius–Bode law
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- Trans-Neptunian object
- T Tauri star
- Ultra-cool dwarf
- University of Rochester
- Uranus
- Venus
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- Water
- Water vapor
- Wayback Machine
- White dwarf
- W. M. Keck Observatory
- Z
- Zacharias Janssen
- Zeta Cancri