GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which star has the highest apparent magnitude because it is closer to Earth?
A
Sirius
B
Antares
C
Our Sun
D
Polaris the North Star
Explanation: 

Detailed explanation-1: -The Sun appears so bright because we are so close to it. Therefore the apparent magnitude of the Sun is greater than any other star.

Detailed explanation-2: -Remember that an object’s apparent brightness depends on its distance from us. So, the magnitude of a star depends on distance. The closer the star is to us, the brighter its magnitude will be. That is, the apparent magnitude of a star is its magnitude measured on Earth.

Detailed explanation-3: -1. Sirius A (Alpha Canis Majoris) Located in the constellation Canis Major with an apparent magnitude of-1.5 and 8 light years away from Earth.

There is 1 question to complete.