Janna Levin Latest articles by Janna Levin 'Black Hole Blues' (2016): Book Excerpt By Janna Levin published 26 May 16 Space Books Get the Space.com NewsletterBreaking space news, the latest updates on rocket launches, skywatching events and more!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MORE FROM SPACE...1Our galactic neighbor Andromeda has a bunch of satellite galaxies — and they're weirdly pointing at us2Watch SpaceX Dragon cargo capsule arrive at the ISS today3SpaceX launches European reentry capsule on 'Bandwagon-3' rideshare mission (video)4SpaceX launch creates a 'nebula' | Space picture of the day for April 21, 20255Don Pettit, NASA's oldest active astronaut at 70, arrives in Houston after 7-month space mission (photo)