Astronomy Homework Solutions

Astronomy 205 - 30 Multiple Choice Questions

1. What happens when the gravity of a massive star is able to overcome neutron degeneracy pressure? a) The core contracts and becoms a white dwarf. b) Gravity is not able to over come neutron degeneracy pressure. c) The core contracts and becomes a black hole. d) The star explodes violently, leaving nothing behind. e) The c ...continues

earth center hyposthesis/sun center hypothesis

How can planet retrograde motion be explained by the Earth center hypothesis? By the Sun-center hypothesis? (In about 75 words)

Earth's Roation; Mass at the Equator vs. Mass at the Pole; Temperature in Altitude

1.If the earth's rotation continues to slow at its present rate, how long will it take for the day to lengthen by 1 hour? 2.If a person weighed 200 pounds at the South Pole, what would he or she weigh at the equator? How would the person's mass at the equator compare to his or her mass at the Pole? 3.How much colder is ...continues

wave length of a radio wave; estimate the temperature of the planet

1. Use figure 6.5 to find the wave length of a radio wave with a frequency of 106 Hz 2. Suppose there were a planet between Mars and Jupiter at a distance of 4 AU from the Sun. Use Figure 7.8 to estimate the temperature of the planet.

Astronomy

1.What are two advantages of using CCD's as opposed to photography?

Astronomy in relation to Physics

1. How are forces related to motion? 2. What are momentum and angular momentum? What do they have to do with motion and the orbits of the planets? Please see attached for full question.

Physics Astronomy

1. How can the different kinds of electromagnetic radiation be described? Please see attached for full problem.

Physics Astronomy

1. Why does pressure in the atmosphere of a planet or satellite fall with increasing height? Please see attached for full question.

Light Spectrum

How can the temperature, composition and motion of an object be determined from its light spectrum? Please include any reference.

gravity's effect on the Sun itself

Explain gravity's effect on the Sun itself. The activity on the Sun affects us here on the Earth. How will the Sun affect us as we travel in space? Please include reference.

Browse