Review of Sun and Moon Lectures

Astronomy 25

1) The Sun is made mostly of ___________________.

2) The Sun generates energy by what process?_____________________

3) The Sun creates ____________ from hydrogen.

4) The part of the Sun we can see is called the __________________.

5) Explosions on the Sun that we can see are called __________________.

6) The atomic particles the Sun spews into space are called the ___________.

7) The Sun is approximately _________________ years old.

8) We can safely observe the Sun using an eyepiece solar filter. T /F

9) To see fine detail on the Sun we must use an ____________ filter.

10) The Sun’s corona can only be seen during a total _________ eclipse.

11) Label the three bodies for a solar eclipse: (Sun, Moon, Earth)

12) Label the three bodies for a lunar eclipse:

13) The Sun is about ________________ miles away from the Earth.

14) We call this distance an _________________________.

15) Light from the Sun takes about ______________ to reach us.

16) The Sun and Moon appear about ____° wide from Earth.

17) The Moon is about ________ miles from Earth.

18) The Earth tilts 23.5° to its orbit. The Moon tilts ____°.

19) The time between new Moons is about _____ days.

20) The new Moon rises at _____, the full Moon at _______.

21) The Moon rises about _______ later each night.

22) Match:

A) Crescent Totally lit ___

B) Gibbous Getting bigger ___

C) Waxing Less than 50% lit ___

D) Waning 50% lit ___

E) Quarter More than 50% lit ___

F) Full Getting smaller ___

23) The Moon moves east about ____° each day.

24) During the lunar month, light on the Moon starts on the _____ side and moves to the _____ side until it is dark again.

25) A new Moon is easily seen with your 8" telescope. T / F

26)

Match the statement to the planets in orbit around the Sun:

A) Greatest eastern elongation

B) Greatest western elongation

C) Superior Conjunction

D) Inferior Conjunction

E) Conjunction

F) Opposition

G) Quadrature