What is the size of an object located at a distance 10 km if it has an angular size A of 2 degrees.
What is the size of an object located at a distance10 km if it has an angular size A of 2 degrees. and Use hubbles law to determine the distance to a galaxy cluster in megaparsecs with a rescession velocity of 14,200 km/sec.
Kepler's Third Law / Sunlight to Pluto
I need written out steps and final answer. These 2 questions are giving me a headache. I've been working on them for 2 days and I still can't figure it out. My teacher cannot break it down enough for me to understand. 1. Use the modified form of Kepler's third law to calculate Pluto's mass from the orbital data for Charon ...continues
Moving from the geocentric model to the heliocentric model required more than one major change in outlook. Among those changes, people needed to accept that the Earth is not the center of the Universe. Discuss how great a change this made in our understanding of our place in the universe.
Astronomy is the most ancient science.
Astronomy is the most ancient science. Discuss how the development of astronomy is interrelated with the development of civilization. Some possible relationships include astrology, the names of constellations, calendars, and the basic ideas of mankind’s place in the universe.
Discuss the various reasons people have thought the Earth was round, going back to ancient times. Discuss why you think this idea was not well known.
Explain the motion of revolution. Explain the effects of Earth revolution.
Explain the motion of revolution. Explain the effects of Earth revolution. NOTE – this about a type of motion, not about a revolution in physics.
Why did astronomy and astrology separate into different fields?
Why did astronomy and astrology separate into different fields? When did they separate? What are some good sources of additional information?
When was the Earth circumnavigated? Before that, were there many people who thought the world was round?
Has astrology ever been subject to scientific investigation? If so, how did it do?
Has astrology ever been subject to scientific investigation? If so, how did it do?
Pick a planet or moon other than Earth in the Solar System that has a surface.
Pick a planet or moon other than Earth in the Solar System that has a surface. Discuss what geological processes you expect to see on that planet or moon, and why. Do not pick a gas giant; pick one with a surface that undergoes at least one of the four geological processes.
