Stars and Galaxies

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

What color of star is the coolest?

• Red
• Yellow
• Blue
• White

True or False
The Sun is the biggest star in the sky.

• True
• False

The color of a star tells us its

• magnitude
• temperature
• size
• age

Which star is closest to Earth?

• Betelgeuse
• Orion
• the sun
• Antares

True or False
Stars are really close together in outer space.

• True
• False

True or False
Constellations are stars that appear to be in a pattern.

• True
• False

• A) Temperature

• B) Size and shape

• C) Actual brightness

• D) Distance from Earth

AbduAllah notices that two stars appear to have the same brightness. He knows that one of the stars is much farther away than the other. What could he conclude about the two stars?

• A) Both stars must have the exact same actual brightness.

• B) The one that is farther away must be brighter.

• C) The one that is closer must be brighter.

• D) Both stars must five off the exact same amount of energy.

Choose more than one answer.

• Stars look different because of mass.

• Stars look different because of distance.

• Stars look different because of color.

• Stars look different because of brightness.

• Stars look different because they're hot.