The nearest star to our solar system at 4.3 light years far.

We can travel to planet Proxima Centauri b in roughly 45 years if we travel by photon rocket. Let’s have a look at these key information’s About the star.

  1. Proxima Centauri is a red dwarf star with a mass about an eighth of the Sun’s mass
  2. The average density about 33 times that of the Sun.
  3. The planet is orbiting the star at a distance of roughly 0.05 AU (7.5 million km) with an orbital period of approximately 11.2 Earth days.
  4. The equilibrium temperature of Proxima b is estimated to be within the range of where water could exist as liquid on its surface, thus placing it within the habitable zone of Proxima Centauri.
  5. Because Proxima Centauri is a red dwarf and a flare star, whether it could support life is disputed.
  6. Because of the star’s proximity to Earth, Proxima Centauri has been proposed as a flyby destination for interstellar travel.
  7. If non-nuclear, conventional propulsion technologies are used, the flight of a spacecraft to a planet orbiting Proxima Centauri would probably require thousands of years.
  8. Nuclear pulse propulsion might enable such interstellar travel with a trip timescale of a century, inspiring several studies such as Project Orion, Project Daedalus, and Project Longshot.
  9. The project named “Breakthrough Starshot“ aims to reach the Alpha Centauri system within the first half of the 21st century, with microprobes travelling at 20% of the speed of light propelled by around 100 gigawatts of Earth-based lasers.
  10. The probes would perform a fly-by of Proxima Centauri to take photos and collect data of its planet’s atmospheric composition. It would take 4.22 years for the information collected to be sent back to Earth.
  11. From Proxima Centauri, the Sun would appear as a bright 0.4-magnitude star in the constellation Cassiopeia, similar to that of Achernar from Earth.

Wanna know more about photon rocket?http://streetrat.in/05/2020/technology/197/photon-rocket-can-reach-a-speed-of-30000-km-sec/

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