Stars and Constellations

What color are the hottest stars?

• red

• blue

• white

• yellow

Characteristics used to classify stars include _______________

• distance, size, and color.

• size, distance, and brightness.

• size, brightness, and temperature.

• size, brightness, and temperature.

Astronomers typically measure distances to stars in units called __________________.

• electromagnetic spectrum.

• light-years

• parallax.

• kilometers

What is a measure of the amount of star's light that is received on Earth?

• absolute magnitude

• apparent magnitude

• fusion

• parallax

Which statement describes stars from coolest to hottest?

• blue, yellow, red

• yellow, blue, red

• red, yellow, blue

• blue, red, yellow

. The brightest star in the constellation Canis Major, is ________, while the only fixed star, in the constellation Ursa Major (Big Bear or Big Dipper) is _________.

• Sirius ; Polaris

• Polaris ; Sirius

• Rigel ; Antares

• Betelgeuse ; Polaris

Why do stars have colors?

• It is because of the presence of oxygen.

• It is because of the presence of carbon dioxide.

• It is because of varied temperatures.

• t is because of the different locations.

Which constellation is prominently seen in the sky during summer?

• Virgo

• Orion

• Pegasus

• Hercules

Stars can be found in large groups throughout the universe. What are these groups called?

• solar system

• comets

• constellations

• asteroids

The twins who got “immortalized” as stars, are ________, in constellation ______.

• Castor and Pollux ; Gemini

• Polaris and Pollux ; Hydra

• Betelgeuse and Rigel ; Orion

• Rigel and Regulus ; Leo