Crash Course #2 Naked Eye Astronomy

What does "naked eye astronomy" mean?

• You do not put clothes on your eye.

• No telescopes, no binoculars.

• Nothing.

• The stars twinkle.

The most abundant stars are the dimmest because ________________.

• They have different brightnesses AND different distances away.

• they are dumb.

• they have no colors.

• the sky is not dark enough.

In science, some effects you see have ________________.

• more than one cause.

• only one cause.

• no cause at all.

• mysterious causes that we will never understand.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-5

The brightness of a star is called its _____________.

• magnitude

• shininess

• twinkle

• Hipparchus

Human eyes are _________________ which is why dim stars appear white.

• not very sensitive to light.

• stupid

• fishy

• very sensitive to light

Astronomers have ______ classified constellations.

• 88

• infinity

• 12

• 13

Stars can have several different names. They can have a given name, a ________ based on their constellation, or just a number.

• Greek letter

• Arabic letter

• Cyrillic letter

• face

Name some ways you can help eliminate light pollution.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The star that does not move at all in the night sky is __________.

• Polaris

• Sirius

• the no moving star

• Betelgeuse

The motion of the stars is actually caused by ______________.

• the Earth's spin

• a giant celestial sphere

• your face

• star cars