Download Grand Tour Worksheet - School District of La Crosse

SCORE____
ASTRONOMY WORKSHEET
GRAND TOUR OF THE UNIVERSE
NAME_______________
PERIOD____
1. What did Plate 1 show?
2. Why is it difficult to appreciate mankind's exploration of the moon?
3. During which time period has man learned the most about the universe?
4. Modern astronomy started about when?
5. As of 1920’s the estimated size of the universe was:
6. How far is a light year?
7. What happened as early as the 1930’s?
8. According to 1920 information where was our sun?
9. What do our current ideas suggest about our position in the universe?
10. Plate 2 shows what?
11. Describe Jupiter
12. Are solid surfaces common throughout the universe?
13. Why didn’t Jupiter look too complicated from earth?
14. What is interesting about Jupiter's satellites?
15. What makes Saturn an interesting celestial object?
16. Close ups of the rings of Saturn show what?
score_____
ASTRONOMY
GRAND TOUR HANDOUT
The star of the solar system
1. What is the diameter of our sun?
NAME____________
PERIOD____
2. How does this compare to Jupiter?
3. What order of magnitude is the sun to Jupiter?
4. What order of magnitude is this to the earth?
5. How is the order of magnitude judged?
6... How does the volume of the sun compare to Jupiter?
7. The enormous mass results in what activity?
8. In terms of nuclear bombs describe the power output of the sun.
9. Put a money value on the energy output of the sun.
10. All the bombs exploded in ____________would only power the sun FOR A
______________ of a second.
11. At the surface of the sun what is happening?
12. What happened after WWII in astronomy?
13. What other radiations does the sun emit in?
score____
The outer reaches
ASTRONOMY
GRAND TOUR HANDOUT
name_______________
period____
1. WHEN WAS THE LAST VISIT FOR HALLEY’S COMET?
2. Comets mat very well be what?
3. Are new comets predictable?
4. How often does Halley’s Comet return?
5. Where does Halley’s spend most of its time?
6. How long has Halley’s been observed?
7. Far from the sun a comets are visualized as:
8. What happens with comets as they approach the sun?
9. Why are comets considered part of the solar system?
10. How was the solar system formed according to astronomers?
11. Why do all the planets fall roughly in the same plane?
12. Distances in the solar system are measured in __________ ___________, and this is how
far?
13. How far is the sun from Saturn in A.U.’s
14. Pluto is how many A.U.’s?
score____
ASTRONOMY
Name_______________
Stars and stellar evolution
GRAND TOUR HANDOUT
Star formation
1. How far is the nearest star?
2. How does the distance between stars compare to the size of the star?
3. Why are collisions of stars very rare?
4. What order of magnitude is a light year to an A.U.?
5. What is the average distance between stars in our galaxy?
6. Where is Betelgeuse found, and describe it?
7. If Betelgeuse replaced the sun where would its surface be?
8. Where is Betelgeuse in its life?
9. What happened with the Ring Nebula?
10. How fast are the gases receding from the Ring Nebula?
11. What happens with a supernova?
12. What nebula was created by supernova explosion, and when?
13. If Betelgeuse where to supernova would the Earth be affected, explain?
14. Where are stars born?
15. The Orion nebula is how good a vacuum?
16. At the other end of the density scale of a gas nebula what may be found?
17. What has been noted within the last 10 years about the Orion nebula?
18. Describe star formation with a molecular cloud.
19. All stars originally form where?
20. Why is our sun in the minority?
score
ASTRONOMY
clusters of stars
GRAND TOUR HANDOUT
the galaxies
1. WHAT IS AN OPEN CLUSTER?
name_______________
2. Clusters are loosely affiliated with:
3. Associations of stars are:
4. What is a galaxy?
5. How are the andromeda and Milky Way galaxies alike?
6. What is the diameter in light years?
7. How many stars does the Milky Way contain (maybe)?
8. How far is the Andromeda galaxy from us?
9. Galaxies may range up to an___________of magnitude larger than our _________
__________
10. Is the upper limit on the mass of a galaxy knows?
11. Are all galaxy spiral shaped, explain?
12. Where on earth would one see the Magellic cloud? And what type of galaxy is it?
13. What do the colors reveal about a galaxy?
14. Some galaxies and galactic sized objects appear to:
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ASTRONOMY WORKSHEET NAME____________
clusters of galaxies
GRAND TOUR HANDOUT
microscopic view
1. ARE GALAXIES THE LARGEST ENTITIES IN THE UNIVERSE, EXPLAIN?
2. What small cluster are we a member of?
3. How many objects are in this cluster?
4. What was observed within the last 30 years?
5. How far are the most distant objects studied?
6. What is the most interesting property of the universe?
7. Most of the universe is mostly___________
8. Modern astronomy seeks to furnish what type of explanation?
9. What branches of science does astrophysics deal with?
10. How is the energy of a star created?
11. How is the hierarchical structure continued down to the smallest scales?
12. Astronomy deals with sizes that range over more than ______orders of magnitude.
13; If scientist consider the domain of astronomy to reach from the __________to the radius of
the_______________, it is interesting that the solar system is approximately in the
______________of this range.
score______
ASTRONOMY WORKSHEET NAME_____________
difficulties in doing
GRAND TOUR HANDOUT
astronomy, astronomer’s
advantage
1. What problem does an astronomer have unlike a chemist or physicist?
2. Can astronomers see things at different angles, explain?
3. What can an astronomer do?
4. What do some astronomers feel when an object is visited?
5. An astronomer can make:
6. IS THE EVIDENCE TO SUPPORT A HYPOTHESIS DIRECT?
7. The astronomer is able to observe stuff in space which can be reproduced on earth, give an
example
8. Describe the power production in the cosmos compared to the earth
astronomical time machine
9. The final advantage astronomers have is:
10. How fast does light travel?
11. When looking at things far away it gives a perspective of:
12. The light we get from the sun is actually _______minutes old
13. The most distant galaxy we can see is:
14. It is almost as if we have what?
15. Why is the ability to look back in time vital?
16. What do astronomers use to study the evolution of long-lived objects?
17. What must our perspective in time by purchased with?
score_____
ASTRONOMY WORKSHEET NAME____________
orders of magnitude
GRAND TOUR
PERIOD_____
explosion of knowledge
1. For many things the only thing necessary to know is:
2. How can we compare the relative sizes of things?
3. 100 is what order of magnitude larger than 1?
4. 1000,000 is what order of magnitude larger than 100?
5. assuming 10 has an order of magnitude of 0, and then determine the order of magnitude of the
following relative to 10
A) 100=__________
B) 10,000=_________
c) .0001=_________
d) .0000000001=________
e) 1000000000=_________
6. When has most of the knowledge we have about the universe acquired?
7. How long does it take an astronaut traveling 40,000Km/hr to cover a light year?
8. How long would it take to cover 10,000Ly?
9. Today what is the estimated size of our universe? (give or take a little)
10. Past thoughts about the universe were: