In Class Assignement #1
Start at 100 (human size) and scale upward; clicking on an object gives you its exact
size.
1. What astronomical bodies are about the size of the United States?
The astronomical bodies that are about the size of the United States are Mercury,
Callisto, Titan, Io.
2. What objects are about the size of Earth?
Venus and Asia
3. What stars are larger than the distance from Earth to the Sun?
Gacrux, Deneb, Enif
4. How many light days is the distance of Voyager 1 to Earth?
Less than 1 light day, or approximately 0.65 light days.
5. What objects are about the size of the distance from the Sun to the nearest star?
Kapetyn’s Star, Luyten’s Star, and the distance from the Earth to the Moon.
6. How much larger is the Milky Way than the size of the solar system?
The Milky Way is about 75,680,000 times larger than the solar system. (done in km)
7. How much larger is the Local Group than the Milky Way?
The Local Group is approximately 83.3 times larger than the Milky Way. (done in light
years)
8. How much larger is the observable universe than the Local Group?
The observable universe is 9,340 times larger than the Local Group (done in light years)
