Astronomy Menu

Astronomy
1. Free fall
2. Planet Weights
3. SETI
  1. Julian Dates
  2. Greenwich Sidereal Time (GST)
  3. Local Sidereal Time (LST)
  4. Hour Angle and Declination
  5. Hour Angle ato Right Ascension
  6. Relationships of a parabolic reflector
  7. Gain of a parabolic relector
  8. Approximation for beam width
  9. Doppler shift due to earth's rotation
  10. Time a star stays in the beam of an antenna
  11. Converting noise temp. to noise figure
  12. Range at which a signal can be detected
  13. Drake Equation
  14. Location of the sun on the ecliptic
  15. Ecliptic coord. given Right Asc. and Dec.
  16. Doppler Shift
  17. Doppler Equation
  18. Relativistic Dopplar Equation
4. Light Gathering Power of Telescope
5. Limiting Magnitude of a Telescope
6. Magnification
7. Magnification in Photography
8. Lens Formula for eyepiece Projection
9. Field View in an Eyepiece
10. The Barlow Lens
11. Resolution, Resolving Power
12. Geosynchronous Orbit
13. Sun Rise, Sun Set Calculator