Answer:
a. the latitude of Greenwich, England
Explanation:
- The Greenwich lies on the prime Median and shows the east and west direction and it measures the north and south of the equator and is defined in terms of the parallels to the greater circle as the equator.
Maybe there's an app for that? Some kind of time lapse app? Or maybe set up a magnifying glass or a crystal ball on a stand and a piece of paper under it. As the sun passes, it will might burn a line on the page. As to how you would read this line, you would need some kind of measurement system - maybe do a baseline the day before and use you watch to record start and finish times.
Answer:
Orbit.
Explanation:
After the discovery of Uranus, scientists were having trouble figuring out the planet's orbit. They realized that there must be another planet farther out than Uranus.
