Ast115
Angular Resolution: The clarity of an irnage
2-9-24
$60°
1.60°
Archungle)
1=60° (arck seconds)
Focal length of objective/Penang
magnification: Focal of Eyepeare
Resolution of Hubple is ~0.1
Radio telescopes
•Karl Jansky-Discoverd Radio Radiation Connecting Fram The center of our galery (Sagittarus)
most Radio telescopes are BIG
.why put telescopes in space? uv (Soho)
Earths atmostpher Absarbest
-x-rays (Chandra)
Gamarans (Comption)
Earth's Atmosphere Destorts visible light (Hubble, JB wells)
2-12-24
Review
Chap 1-2
Size of universe (Au, light-year, forsec )
Constellations & Asterisms
Celestrial Sphere (RA, Dec, ecliptic)
Seasons
Phases of the moon
Eclipses