Is the Sun the Brightest Star

What do scientists use because they cannot physically travel to a star to take its exact measurements?

• Apparent Brightness

• Absolute Brightness

• Absolute Calculations

• Apparent Calculations

Fill in the blank: The Sun is a __________ dwarf star

• Green

• Red

• Orange

• Yellow

This is the distance that light can travel in a year?

• Kilometers

• Miles

• Light years

• Wavelengths

What does the acronym au stand for?

• Atomic Unit

• Abominable Unit

• Astronomical Unit

• Adhesive Unit

. Fill in the blank: Luminosity is measured in ________.

• Grams

• Meters

• Ohms

• Watts

Fill in the blank: A star is ______ when it is cooler

• Red

• Blue

• Yellow

• White