Astronomy

Explore the Universe

International Space Station(ISS): https://en.wikipedia.org/wiki/International_Space_Station

Blue Origin https://www.blueorigin.com/

SpaceX http://www.spacex.com/

  • Falcon Heavy requires the simultaneous ignition of 27 orbit class rockets; the equivalent of three Falcon 9 rockets strapped together

Virgin Galactic http://www.virgingalactic.com/

Google Lunar X Prize https://en.wikipedia.org/wiki/Google_Lunar_X_Prize

Mars

Moon

  • 2021: Firefly completes design of Moon mission, aiming for 2023 launch

Navigation Satellite System

  • GPS (US)
  • GLONASS (Russia)
  • BDS/Beidou (China)

Telescope

Five hundred meter Aperture Spherical Telescope(FAST) or Tianyan( 天眼 )

  • consists of a fixed 500 m (1,600 ft) diameter dish
  • the world's largest filled-aperture radio telescope, from 2016

Arecibo Observatory

  • the largest single-aperture telescope before 2016

Kepler

https://en.wikipedia.org/wiki/Kepler_(spacecraft)

  • space observatory

Gravitational-Wave

LIGO: The Laser Interferometer Gravitational-Wave Observatory https://www.ligo.caltech.edu/

Arecibo

https://www.nytimes.com/2017/06/28/magazine/greetings-et-please-dont-murder-us.html?_r=0

Musk

https://www.youtube.com/watch?v=S5V7R_se1Xc

https://www.youtube.com/watch?v=H7Uyfqi_TE8

How Far

  • Earth to Moon: 384402 km, 238856 mi, about 3 days
  • Earth to Mars: closest every 2 years 55 million km, about 300 days

sol: Martian day. 1 Martian year = 687 Earth days = 669 sols