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Best image of Alpha Centauri A and B

29 August 2016 Astronomy Now

The NASA/ESA Hubble Space Telescope has given us this stunning view of the closest bright stars Alpha Centauri A (on the left) and Alpha Centauri B (on the right), at a distance of 4.3 light-years from the Earth. The Alpha Centauri group is completed by a faint red dwarf, Proxima Centauri (not shown), recently revealed to possess an Earth-like planet orbiting in its habitable zone.

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Follow a live Proxima Centauri exoplanet hunt with the Pale Red Dot campaign

15 January 2016 Astronomy Now

Pale Red Dot is an international search for an Earth-like exoplanet around the closest star to us, Proxima Centauri. It will be one of the few outreach campaigns allowing the general public to witness the scientific process of data acquisition in modern observatories via blog posts and social media updates. The Pale Red Dot campaign will run from January to April 2016.

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Sun’s close encounter with Scholz’s Star

18 February 2015 Astronomy Now

Astronomers using large telescopes in South Africa and Chile identify the closest known flyby of a star to our Solar System: a low-mass star system nicknamed “Scholz’s Star” that passed through the Oort Cloud 70,000 years ago.