Is There Life on Earth?
I mean… how do you really know?
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If we lived light years from Earth, how would we know there’s life here? Let’s take a look at the search for extraterrestrial life on habitable exoplanets, and discover what biosignatures would show someone else that we’re here.
REFERENCES:
http://exoplanet.eu/
Kaltenegger, Lisa. “How to Characterize Habitable Worlds and Signs of Life.” Annual Review of Astronomy and Astrophysics 55, no. 1 (August 18, 2017): 433–85. https://doi.org/10.1146/annurev-astro-082214-122238.
Sagan, Carl. “Is There Life On Earth?” Engineering and Science 35, no. 4 (1972): 16–19.
Sagan, Carl, W. Reid Thompson, Robert Carlson, Donald Gurnett, and Charles Hord. “A Search for Life on Earth from the Galileo Spacecraft.” Nature 365 (October 21, 1993): 715.
Schwieterman, Edward W., Nancy Y. Kiang, Mary N. Parenteau, Chester E. Harman, Shiladitya DasSarma, Theresa M. Fisher, Giada N. Arney, et al. “Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life.” Astrobiology 18, no. 6 (June 2018): 663–708. https://doi.org/10.1089/ast.2017.1729.
Seager, Sara, and Drake Deming. “Exoplanet Atmospheres.” Annual Review of Astronomy and Astrophysics 48, no. 1 (August 2010): 631–72. https://doi.org/10.1146/annurev-astro-081309-130837.
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It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.
Director: Joe Nicolosi
Writer: Joe Hanson
Creative Director: David Schulte
Editors/animators: Derek Borsheim and Sara Roma
Producers: Stephanie Noone and Amanda Fox
Produced by PBS Digital Studios
Music via APM
Stock images from Shutterstock http://www.shutterstock.com
Видео Is There Life on Earth? канала It's Okay To Be Smart
SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub
↓↓↓ More info and sources below ↓↓↓
If we lived light years from Earth, how would we know there’s life here? Let’s take a look at the search for extraterrestrial life on habitable exoplanets, and discover what biosignatures would show someone else that we’re here.
REFERENCES:
http://exoplanet.eu/
Kaltenegger, Lisa. “How to Characterize Habitable Worlds and Signs of Life.” Annual Review of Astronomy and Astrophysics 55, no. 1 (August 18, 2017): 433–85. https://doi.org/10.1146/annurev-astro-082214-122238.
Sagan, Carl. “Is There Life On Earth?” Engineering and Science 35, no. 4 (1972): 16–19.
Sagan, Carl, W. Reid Thompson, Robert Carlson, Donald Gurnett, and Charles Hord. “A Search for Life on Earth from the Galileo Spacecraft.” Nature 365 (October 21, 1993): 715.
Schwieterman, Edward W., Nancy Y. Kiang, Mary N. Parenteau, Chester E. Harman, Shiladitya DasSarma, Theresa M. Fisher, Giada N. Arney, et al. “Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life.” Astrobiology 18, no. 6 (June 2018): 663–708. https://doi.org/10.1089/ast.2017.1729.
Seager, Sara, and Drake Deming. “Exoplanet Atmospheres.” Annual Review of Astronomy and Astrophysics 48, no. 1 (August 2010): 631–72. https://doi.org/10.1146/annurev-astro-081309-130837.
-----------
FOLLOW US:
Twitter: @DrJoeHanson @okaytobesmart
Instagram: @DrJoeHanson
Merch: https://store.dftba.com/collections/its-okay-to-be-smart
Facebook: http://www.facebook.com/itsokaytobesmart
BOOKS WE’VE FEATURED:
http://smart-books.tumblr.com/
-----------
It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.
Director: Joe Nicolosi
Writer: Joe Hanson
Creative Director: David Schulte
Editors/animators: Derek Borsheim and Sara Roma
Producers: Stephanie Noone and Amanda Fox
Produced by PBS Digital Studios
Music via APM
Stock images from Shutterstock http://www.shutterstock.com
Видео Is There Life on Earth? канала It's Okay To Be Smart
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