She has spent most of her life working toward a bright future for humanity in space, and Lori Garver has lost none of her passion. She visited the Planetary Society for a wide-ranging conversation with Mat Kaplan. Join Emily Lakdawalla as we hear Juno enter the realm of Jupiter. Digital Editor Jason Davis takes us to the spectacular test of a vital Space Launch System rocket engine. Celebrating the 4th of July in space with Bruce Betts.
What is the ratio of the equatorial surface gravity of the Sun to the force or pull of gravity at the surface of the Earth? (We’ll define the “surface” of the Sun as the edge of the photosphere or visible surface.)
The answer will be revealed next week.
Question from the week before:
What is the approximate ratio of the mass of Earth’s Moon to the mass of Pluto?
The ratio of our moon’s mass to Pluto’s is about 5.6.