Describe how the observable properties of the solar system are related to its process of formation
What will be an ideal response?
All the orbital and rotational motions can be explained as preserving the original rotation of the nebula from which the solar system formed. Accretion explains planetary isolation. Temperature differences explain differentiation. Asteroids and comets are left over debris. And irregularities can be explained by collisions during the planetesimal era.
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Escape Speed: The value of g at the surface of spherical Asteroid X is 0.00600 m/s2, and the escape speed is 9.95 m/s. What is the radius of this asteroid? (G = 6.67 × 10-11 N ? m2/kg2)
A. 8250 m B. 16,000 m C. 1600 m D. 800 m E. 400 m
The resistance of a mineral to abrasion is known as ________.
Fill in the blank(s) with the appropriate word(s).
Newton showed that Kepler's laws are
A) natural consequences of the law of universal gravitation. B) seriously in error. C) actually only three of seven distinct laws of planetary motion. D) the key to proving that Earth orbits our Sun.
An astronomical telescope has a magnifying power of 200? when operated with a 3.50 cm eyepiece. What is the focal length of the objective of this telescope?
A. 204 cm B. 196 cm C. 700 cm D. 57.0 cm E. 30.0 cm