Stars and Their Glow Quiz

What is the process through which stars create energy in their core?

• Photosynthesis

• Chemical reaction

• Nuclear fusion

• Nuclear fission

What are most stars made up of?

• Iron and Nickel

• Carbon and Silicon

• Hydrogen and Helium

• Oxygen and Nitrogen

What is the measure of how much energy a star shines from its surface called?

• Glow

• Brightness

• Luminosity

• Radiance

What is the term used to describe how bright a star appears to us from a distance?

• True brightness

• Apparent brightness

• Luminosity

• Radiance

Which star shines with around 100,000 times more luminosity than the Sun?

• Sirius

• Vega

• Proxima Centauri

• Betelgeuse

What is the process that powers hydrogen bombs and happens at the center of a star?

• Chemical reaction

• Nuclear fission

• Nuclear fusion

• Photosynthesis

What is the measure of how bright a star really is, not just how bright it might look depending on where you are?

• True brightness

• Radiance

• Apparent brightness

• Luminosity

What factor plays a bigger role in determining a star's apparent brightness than its size?

• Temperature

• Age

• Color

• Distance