(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.
In a telescopic image of night sky, some stars are blue in colour while others appear to be red in colour. What determines the colour of the star?
Draw sketches to show the relative position of prominent stars in (a) Ursa Major and (b) Orion