Stars & Constellations Test - M

Front

What makes the Sun appear brighter than other stars?

Back

The Sun appears brighter than other stars because it is nearer to Earth.

Front

What color are the hottest stars?

Back

The hottest stars are blue.

Front

Which direction does Polaris point?

Back

Polaris always points North.

Front

What is the brightness of a star as seen from Earth called?

Back

The brightness of a star as seen from Earth is called apparent magnitude.

Front

What does the luminosity of a star describe?

Back

The luminosity of a star describes the star's brightness.

Front

What is the term for the actual brightness of a star, regardless of its distance from Earth?

Back

The actual brightness of a star is called absolute magnitude.

Front

What is the main difference between apparent magnitude and absolute magnitude?

Back

Apparent magnitude measures brightness as seen from Earth, while absolute magnitude measures intrinsic brightness at a standard distance.

Front

What is a constellation?

Back

A constellation is a group of stars that forms a recognizable pattern in the night sky.

Front

How do stars produce light?

Back

Stars produce light through nuclear fusion, where hydrogen atoms fuse to form helium, releasing energy.

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages: nebula, main sequence, red giant, and then either a white dwarf, neutron star, or black hole.