Download Astronomy Miscellaneous Items Test

Astronomy Miscellaneous Items Test
Name__________________________Date_______
Answer the following questions. Answer in complete sentences, but answer succinctly.
Remember: You must pass with 80% to receive credit for this section.
This test is worth 3 points
1. What calendar do we use now, on a day-to-day basis?
2. The keeping of time accurately is very important to astronomers. When did the third millennium
actually start according to our calendar?
3. A once popular book claimed that a near alignment of the planets would cause tidal disasters on Earth,
and cause destruction of great proportions, even possibly end civilization!
That claim was known to be absurd because
(Click any or all that apply)
a)
All the planets can never actually be aligned.
b)
The Moon blocks the effects of such alignments.
c)
There is no gravitational effect on us from other planets.
d)
Earth is solid and impervious to tidal effects.
e)
The gravitational and tidal forces from other planets effects on Earth are so tiny.
4. Relative sizes of astronomical objects:
List or rank the following 10 objects in order of increasing size.
the corresponding number in each appropriate space):
(1 = smallest, 10 = largest; Type
a) The Earth (diameter)
f) Distance to the nearest large galaxy
b) An atomic nucleus
g) Distance to nearest star (not the sun)
c) The Milky Way
h) Neutron Star
d) The Sun
i) An atom
e) Distance to the sun
j) An O-class star