Multiple Choice
A comet's gas and ion tail:
A) always lies in the ecliptic plane, because a comet is a part of the solar system.
B) lies between the comet and the Sun, because of gravitational attraction.
C) always trails along the orbital path, because of the comet's motion.
D) is always blown away from the comet in the anti-Sun direction by the solar wind.
Correct Answer:
Verified
Correct Answer:
Verified
Q42: The first asteroid to be photographed in
Q43: Widmanstätten patterns uniquely identify samples as iron
Q44: The general shape of most asteroids is
Q45: Which one of the following parts of
Q46: What is the orbital sidereal period of
Q48: Some meteorites have been identified as coming
Q49: Stony meteorites:<br>A)are composed of rocks similar to
Q50: Recent calculations show that the Tunguska explosion
Q51: The Widmanstätten pattern uncovered by acid etching
Q52: Which of the following governs the direction