Changes in Starry Sky

______ is the only large luminous object in our solar system

• Sun

• Proxima Centauri

• Sirius

• None

Sun is a _______________

• Star

• Planet

Light year is unit of ____________

• time

• distance

• length

• None

Light travels a distance of______________ in a year

• 2.7 million million kilometers

• 9.7 million million kilometers

• 9.7 million million meters

• None

The nearest star to the sun is __________

• Sirius

• Proxima Centauri

• Betelgeuse

• None

The brightness of star does not depend on_____

• Size

• Temperature

• Distance from Sun

• Color

Andromeda galaxy is ____________ light years away from earth

• 1.1

• 2.2

• 3.3

• None

Which one of them is the brightest star?

• Sun

• Sirius

• Betelgeuse

• Spica

Which statement is true?

• Stars change their place

• Planets change their place

• Planets do not change their place

"Planet" is a Greek word meaning________

• Student

• Traveler

• Wanderer

• None