lab02
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School
Durham Technical Community College *
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Course
AST 151
Subject
Astronomy
Date
Feb 20, 2024
Type
docx
Pages
2
Uploaded by CorporalFogHummingbird29
1.
When you were looking north
, which way did the sky appear to rotate?
Answer: It appeared counterclockwise.
2.
Many ancient observers assumed the sky was rotating above the fixed Earth. What is another way to explain the apparent rotation of the sky?
Answer: The earth rotates on its axis, while the stars remain fixed in place.
3.
Is Polaris (the “North Star”) located exactly above Earth’s geographic north pole? How can you tell?
Answer: It appears to follow a very small circle due to earth's rotation and is right above the geographical North Pole.
4.
In a couple of sentences, describe what the sky looks like at the North Pole on June 21.
Answer: It is looking like a bright sunny day. There’s only the Sun and Venus that can be seen.
5.
In a couple of sentences, describe what the sky looks like at the North Pole on December 21.
Answer: It is now getting dark. Along with the stars Vega and Arcturus, you could also see the Moon and Uranus.
6.
In a couple of sentences, describe what the sky looks like at the South Pole on June 21.
Answer: It is starting to get dark. You can see the moon, Jupiter, Saturn, Canopus, Sirius, and Alpha Centauri.
7.
In a couple of sentences, describe what the sky looks like at the South Pole on December 21.
Answer: It's daylight. I can see the Sun, Mercury, Venus, Jupiter, and Saturn.
8.
How can we explain the differences observed at the poles on those dates?
Answer: They're on different sides of the planet.
9.
Identify your observing location (e.g., Charlotte NC). List the date(s) and the beginning and ending times for your outdoor observations.
Answer: 10.List all the constellations you were able to observe. If you could not discern any (or the weather was unfavorable), list the ones that should be visible from your location at this time of year.
Answer: Heracles, Lyra, Cygnus, Serpens, Libra, and Aquila.
11.Were you able to find Polaris? If so, where in the sky did you observe it?
Answer: Yes, it was in the direction of the forest close to my house towards north.
12.Did you observe the Moon? If so, what phase and/or features did you see?
Answer: Yes, it was a waxing crescent that was barely visible and had a yellow tint that was similar to that of the harvest moon. On the following day however, it was nearly full and some of the indentations were visible.
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