I saw individual stars, but I could not distinguish who they belonged to. Then dawn came and put out all my stars.
Therefore constellation means___________________.
Clue: Opposite of individual
Therefore constellation means a group of stars
(a) What is the number of prominent stars in the Orion?
(b) Draw a diagram of the Orion constellation to show the position of prominent stars in it.
Consider a constellation of 3 stars, A, B and C forming a right triangle with angle ABC = 90o and angle BAC = 30o. If the distance between star A and B is 3√3 x 1013 km, then how much time does light take to travel from star C to B with a speed of 3 x 108 m/s?