4. But Deneb may well be the most energetic Deneb is the brightest star in Cygnus It's among the most distant stars visible from Earth at an estimated 1,425 light-years

7. It make more light in one day than the Sun has since the Civil war.

8. Information about Deneb Constellation: Cygnus Distance: 1600 light-years Spectral class: A2 Visual magnitude: 1.25 Luminosity: 66 559 * Sun Mass: 20 * Sun Diameter: 116 * Sun Radial velocity: -4.5 km/sec

9. Interesting facts In the Chinese love story Deneb is abridge across the milky way which allows the separated lovers Niu Lang and Zhi Nu to be reunited on one special night of the year in late summer

10. http://www.deneb.com/ http://earthsky.org/brightest-stars/deneb- among-the-farthest-stars-to-be-seen http://earthsky.org/brightest-stars/deneb- among-the-farthest-stars-to-be-seen http://astropixels.com/stars/Deneb-01.html http://neohumanism.org/d/de/deneb.html http://jumk.de/astronomie/big- stars/deneb.shtml http://jumk.de/astronomie/big- stars/deneb.shtml