Observing Jupiter’s Moons Research Paper.
Big Idea: Sky objects have properties, locations, and predictable patterns of movements that can be observed and described.
Goal: Students will conduct a series of inquiries about the position and motion of Jupiter’s moons using prescribed Internet simulations. Observing Jupiter’s Moons Research Paper.
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Computer Setup:
Access http://space.jpl.nasa.gov/ and
a) Select THE MOON in the “Show me _ “ drop down menu
b) Select THE SUN in the “as seen from _ “ drop down menu
c) Select the radio button “I want a field of view of __ degrees” and set the drop down menu to 0.5
d) Select the check box for EXTRA BRIGHTNESS and then Select “Run Simulator”
Phase I: Exploration
1) The resulting image shows what one would see looking through a special telescope. In this picture, where is the observer with the special telescope located?
2) How does the image change if you INCREASE the field of view?
3) What is the exact date of the image?
4) Astronomers typically mark images based on the time it currently is in Greenwich, England, called UTC. What is the precise time of the image?
5) Using a ruler to measure the distance on the screen between the middle of Earth and the middle of the Moon, what is the measured distance? You do NOT need to know the exact number of kilometers, but simply a ruler-measurement you can compare other measurements you make later. Observing Jupiter’s Moons Research Paper.Alternately, you can use the edge of a blank piece of paper held in the landscape orientation and mark the positions of Earth and Moon or the Squidgit ruler found on the last page.
6) Use the browser’s BACK button to return to the Solar System Simulator homepage. Now, advance the time by 1 hour and determine the new distance between the Earth and Moon.
7) Use the browser’s BACK button to return to the Solar System Simulator homepage. Now, advance the time by one day from when you started and determine the new distance between the Earth and Moon.
8) Use the browser’s BACK button to return to the Solar System Simulator homepage. Now, advance the time by three days from when you started and determine the new distance between the Earth and Moon. Observing Jupiter’s Moons Research Paper.
9) Use the browser’s BACK button to return to the Solar System Simulator homepage. Now, advance the time by five days from when you started and determine the new distance between the Earth and Moon.
10) Use the browser’s BACK button to return to the Solar System Simulator homepage. Now, advance the time by 10 days from when you started and determine the new distance between the Earth and Moon.
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11) Use the browser’s BACK button to return to the Solar System Simulator homepage. Now, advance the time by two weeks from when you started and determine the new distance between the Earth and Moon.
12) Use the browser’s BACK button to return to the Solar System Simulator homepage. Now, advance the time by one month from when you started and determine the new distance between the Earth and Moon.
13) Use the browser’s BACK button to return to the Solar System Simulator homepage. Now, advance the time by three months from when you started and determine the new distance between the Earth and Moon. Observing Jupiter’s Moons Research Paper.
14) It has been said that it takes about one “moon-th” for the Moon to go around Earth. Which of your observations confirms or contradicts this statement? Explain.
Phase II – Does the Evidence Match the Conclusion?
15) Set the Solar System Simulator to observe Jupiter from the Sun, where Jupiter takes up 10% of the image and measure the distance between Jupiter and Io shown on the image, and identify which side of the planet Io is on.
16) Advance the “time” by one day, and record the distance between Jupiter and Io.
17) Advance the “time” by two days from when you started, and record the distance between Jupiter and Io.
18) Advance the “time” by three days from when you started, and record the distance between Jupiter and Io.
19) Advance the “time” by four days from when you started, and record the distance between Jupiter and Io. Observing Jupiter’s Moons Research Paper.