In this week's questions show, I answer questions about how the International Space Station stays above the Earth's atmosphere, does dark matter need a better name? Michael Rodruck with Pennsylvania State Universityhttps://sites.psu.edu/mrodruck/00:18 How does the ISS stay up? 01:54 Does dark matter need a better name? 07:00 GOTO Telescopes09:22 How do we know it's exoplanets and not sunspots? 20:25 Can dark matter get concentrated into a black hole?