Stars

The measure of a star's brightness as seen from Earth.

• Apparent Magnitude

• Absolute Magnitude

• Luminosity

The genuine brightness of a star.

• Apparent Magnitude

• Absolute Magnitude

• Luminosity

The measure of the brightness of a star whose distance from Earth is known.

• Apparent Magnitude

• Absolute Magnitude

• Luminosity

A large celestial body that is composed of gas and emits light and heat.

Stars are mostly made of

• hydrogen

• neon

• helium

• iron

The part of the sun where matter is converted to energy at very high temperatures.

• Photosphere

• Core

• Electrosphere

The part of the sun from which energy escapes into space.

• Photosphere

• Core

• Electrosphere

The coolest stars color.

• Blue

• Red

• White

The color of the hottest stars.

• Blue

• Red

• White

Choose the 3 properties of stars.

• brightness

• radiation

• size

• visible light

• temperature