[Q&A] Protocol for an Asteroid Strike, China Overtaking NASA, Mining the Moon | Q&A 312

What is the international protocol for a potential large asteroid striking the Earth? Will China's space program soon surpass NASA? Can we feasibly mine the Moon for Helium-3? Also, in our free Q&A+ version on Patreon, what will be my next favorite telescope after Gaia is gone? I will answer all these questions and more in this Q&A show.