Launch Pad, Day Three: Kevin R. Grazier on Space Environment

To see more of my posts on Launch Pad, click here.

Note: The schedule had Kevin's lecture today swapped with his lecture yesterday. Today is really space environment. Yesterday was actually gravity, newton, kepler, orbits.

Mass in space:

There is no mas sin space, outside of planets and stars, etcetera. That's why it's called space.

Though strictly speaking, that's not true; there are about 16 atoms per cubic inch, on average. This is much less than in the vacuums we create in laboratories.

The s...