'6th magnitude' presentation slideshows

Chapter 2: The Sky

0. Chapter 2: The Sky. 0. Constellations. In ancient times, constellations only referred to the brightest stars that appeared to form groups, representing mythological figures. 0.

313 views • 16 slides

254 views • 13 slides

Astronomical Telescopes II:

Magnitude Scale and Light Gathering Power. Astronomical Telescopes II:. Light Gathering Power. LGP ~ D 2 This comes from: LGP = Area = 4 ? R 2 R=D/2 R 2 = D 2 /4 LGP = 4 ? D 2 /4 = ? D 2 To compare the LGP of two telescopes: LGP 1 /LGP 2 = (D 1 /D 2 ) 2. Compared to human eye :

281 views • 10 slides