click below
click below
Normal Size Small Size show me how
Parallax Final
Term | Definition |
---|---|
Parallax | The angular amount of this in a particular case, esp. that of a star viewed from different points in the earth's orbit. |
Direct Method | Stellar Parallax |
Observations | Measure the apparent shift in the position of a near-by star over a 6 month time interval |
Parallax equation | d(pc) = 1/P(arcseconds). Where |
Parsec | The concatenation of PARallax and arc SECond. 1 parsec is the distance to an object with a parallax of 1 arc second |
Standard Candles | Objects of know luminosity (eg sun like stars) |