Extrasolar Planets

Dying plan­et

https://www.sciencedaily.com/releases/2022/12/221219094937.htm

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Data­base of Extra­so­lar Planets:

http://exoplanet.eu/

Meth­ods for find­ing exoplanets:

https://www.planetary.org/worlds/exoplanets

This helps deter­mine the frac­tion of stars hav­ing plan­ets and the num­ber of plan­ets per star for the Drake Equation.

Using spec­tra to deter­mine com­po­si­tion and chem­istry of atmosphere:

https://www.pnas.org/doi/10.1073/pnas.1304208111

This relates to frac­tion of worlds hav­ing life from the Drake Equation.