5 Written questions
5 Matching questions
- Solar Luminosity
- Open Cluster
- Spectral Type
- a Comparing a star's luminosity to our Sun's luminosity. Lsun = 3.8 x 10 ^26 watts.
- b Oh Be A Fine Guy Kiss Me Right Now Sweetheart.
- c Spectral type F (pale yellow) Temperature range: 6,000-7,500 K.
- d Stars color/surface temperature E - this is how we classify stars.
- e Group of young, hot stars that are physically related by being held together by gravity. <50 -100> stars.
5 Multiple choice questions
- One of the major classes of variables.
- Gravitationally-bound grouping of very old stars. <10,000 to one million stars> Old, many, many, stars, organized.
- Pair of stars that orbit in the plane of our line of sight causing it to "blink". Often listed as EBS. (Algol in the Iliad by Homer)
- Next closest after Proxima Centauri. 6 light years away. Next there are about 30 stars within 16.5 light years of earth.
- Consist of two major groups: Open and Globular
5 True/False questions
Cepheid Variables → One of the two major classes of variables. There are five classes. One important example: Cepheid Variables.
Spectral type F → Orange - Temperature range: 3,500 - 5,000 K.
Main Sequence → The distance to an object with a parallax angle of 1 arcsecond; unit is pc. One pc = 3.26 light years (ly) = 3.09 x 10^13 km.
Absolute Magnitude → Brightness if we moved all the stars to the same distance. 10 pc. (Comparing apples to apples)
Sirius → Spectral type G (yellow) Temperature range: 5,000 - 6,000 K.