How do scientists collect data about our universe?

1 Answer
Nov 2, 2016

By using appropriate measuring instruments and following the ambient radiation and emitted radiation from stars


Some popular instruments used to explore our Universe include :

  • telescopes (reflecting and refracting)
  • radio telescopes
  • orbital telescopes (like Hubble or Chandra x-ray laboratory)
  • unmanned space probes like Voyager
  • unmanned rovers on planets like Mars eg) Curiosity
  • the international space station
  • manned missions to space eg) to test micro-gravity
  • spectroscopic studies of stars
  • to simulate cosmic events like the Big Bang particle accelerators