Ch 4 - God's Great Universe (4.1 - 4.4)

Question 1

What two things does a spacesuit provide for an astronaut?

Answer 1

1. oxygen
2. protection from extremes of temperature

Question 2

What are some of the characteristics of space?

Answer 2

• no air
• no friction
• mostly black
• no gravity
• extreme temperatures

Question 3

What are the three small galaxies closest to the Milky Way?

Answer 3

Sagittarius Dwarf galaxy
Large Magellanic Cloud
Small Magellanic Cloud

Question 4

What are the three basic types of galactic shapes?

Answer 4

spiral
elliptical
irregular

Question 5

What is the name of the North Star?

Answer 5

Polaris

Question 6

What do we call the two stars in the Big Dipper that direct us to the North Star?

Answer 6

pointers

Question 7

What is the most distant object that can be seen with the naked eye?

Answer 7

the Andromeda galaxy

Question 8

What is the brightest star in the night sky?

Answer 8

Sirius

Question 9

Which star is often confused with the planet Mars because of its brightness and reddish colour?

Answer 9

Antares

Question 10

What is the most familiar group of stars in the southern sky?

Answer 10

the Southern Cross