GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What characteristics are used to classify stars? (Select all that apply)
A
Size
B
Brightness
C
Temperature
D
Distance from sun
Explanation: 

Detailed explanation-1: -List the 5 Characteristics used to classify stars. color, temperature, size, composition, and brightness.

Detailed explanation-2: -The classes are called O, B, A, F, G, K and M. Stars in the ‘O’ class are the most massive and hottest, with temperatures above 30, 000 °C. Stars in the ‘M’ class are the smallest and coolest, with temperatures below 3, 000 °C. If you look closely at stars in the sky, you notice they are not all the same colour.

Detailed explanation-3: -Stars are self-luminous as they radiate heat and light energy. Stars use hydrogen gas as fuel. Stars rotate about their own galaxy. Stars rotate about the center of a galaxy.

There is 1 question to complete.