Name	Known for
Mike Rowe Self - Narrator (voice) Self - Narrator (voice) See fewer	Dirty Jobs (2005)
James S. Bullock Self - Astrophysicist Self - Astrophysicist See fewer	How the Universe Works (2010)
Amir Caspi Self - Solar Physicist Self - Solar Physicist See fewer	How the Universe Works (2010)
Yaireska M. Collado-Vega Self - Heliophysicist (as Yaireska Collado-Vega) Self - Heliophysicist (as Yaireska Collado-Vega) See fewer	How the Universe Works (2010)
Heidi Hammel Self - Planetary Scientist Self - Planetary Scientist See fewer	Wildest Weather in the Solar System (2011)
Angela Des Jardins Self Self See fewer	How the Universe Works (2010)
Michael Kezirian Self - Engineer Self - Engineer See fewer	How the Universe Works (2010)
Hakeem Oluseyi Self - Astrophysicist Self - Astrophysicist See fewer	The Stars in My Soul
Matthew Penn Self - Heliophysicist (as Matt Penn) Self - Heliophysicist (as Matt Penn) See fewer	How the Universe Works (2010)
W. Dean Pesnell Self - Heliophysicist (as Dean Pesnell) Self - Heliophysicist (as Dean Pesnell) See fewer	Nova (1974)
Phil Plait Self - Astronomer Self - Astronomer See fewer	Arrival (II) (2016)
Jani Radebaugh Self - Planetary Scientist Self - Planetary Scientist See fewer	How the Universe Works (2010)
Michelle Thaller Self - Astronomer Self - Astronomer See fewer	Spaceship Spitzer: The Slowlian Web (2008)
Kevin Walsh Self - Astronomer Self - Astronomer See fewer	How the Universe Works (2010)
Peggy Whitson Self - Astronaut Self - Astronaut See fewer	Pete Yorn: I Wanna Be the One (2020)