List at least 5 common observations we can make about the solar system that MUST

Question

List at least 5 common observations we can make about the solar system that MUST be supported by any model of solar system formation.

                        (1) ______________________________________________________

                        (2) ______________________________________________________    

                        (3) ______________________________________________________

                        (4) ______________________________________________________

                        (5) _______________________________________________________

A comet on an unbound orbit around the Sun might have which of the following properties?

Specify the correct direction (N, S, E, W, NE, SE, NW, or SW) that the Sun rises and sets for each date:

        The Sun rises _______ on June 27.

        The Sun sets _______ on October 8.

        The Sun rises _______ on September 21.

        The Sun sets _______ on March 21.

46)   Three terms in planetary science sound the same but have different meanings. The _____________ describes the path of the Sun as seen against the background stars. A solar ________________ occurs when the Moon passes across the disk of the Sun. An ______________ describes the shape of a planetary orbit about the Sun.

47) As the Moon grows from 1st Quarter to Full, it passes through its ___________________________ phase. As the Moon shrinks from Last Quarter to New, it passes through its _________________________________ phase.

54) (6 pts.) How much stronger is the gravitational force between Saturn (RSaturn = 9.54 AU, MSaturn = 95 MEarth) and the Sun when compared to the gravitational force between Earth and the Sun?

Explanation / Answer

List at least 5 common observations we can make about the solar system that MUST be supported by any model of solar system formation.

1) Solar system is 4.5 billion years old.

2) All planets revolve around the Sun in the same direction as the direction of rotation of the sun.

3)More than 99 % of the angular momentum of the system is from the planets in the solar system.

4) It took five hundred million years for the formation of the planets in the solar system.

5) Planets and some solar system things continued to form over the next four billion years.

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