Across
- 2. square law As distance increases, luminosity stays same, brightness decreases
- 4. Light from a distant object moves away from us, and wavelength increases
- 7. How do we measure distances within solar systems
- 9. Standard candles
- 10. Calculated by geometry by determining Angle between the line of sight and the baseline
- 12. How many lightyears in 1 parsec?
- 13. Tangent formula
- 14. How bright a star appears
- 15. Astronomical distances from earth to sun can be measured as…
Down
- 1. If two stars have the same luminosity, the star that is closer will appear……
- 3. Apparent shift of nearby star against background stars
- 5. ladder Brightnesss
- 6. Measure of the amount of energy given off of a star.
- 8. year distance that light can travel in a year.
- 11. Astronomical objects with known intrinsic brightness