1. A star of 1.8 apparent magnitude is brighter than one at 3.6 magnitude.

True or false

  1. Flux is not related to the distance from the source.

True or false

  • A G star is hotter than an M star.

True or false

  1. Parallax is a good method to find the distance to a star say 1300 LY away.

True or false

  1. The power output of a star at the source is

Flux, Luminosity, Apparent brightness

  1. Flux seen at a distance from a source depends on

its luminosity, the area over which the observer receives the light, both of the above

  1. The distance at which a star’s parallax is one arc second is called

a parsec, a light year, stellax

  1. The light flowing through the surface of a star is related to

it surface temperature, its mass, its age, all of the above

  1. The continuous spectrum peak wavelength gives us the surface temperature by

Boltzman’s Law, Wien’s Law, The Law of Temperature, No answer text provided.

  1. The sun’s temperature-color (spectral) classification


  1. An optical double is not a real binary.

True or false

  1. Mass is notthe determining factor in stellar evolution.

True or false

  1. How many dips occur in the light curve of an eclipsing binary during one cycle?

One, two, none

Do you need Assignment help from intel-writers.us?

intel-writers.us is one of the best essay help websites on the internet

Kindly click the link below to order quality essays from qualified assignment help experts
We offer well written, referenced and plagiarism free papers

Click here to request for this assignment help