Author Question: Compared to Earth, the Moon lacks a hydrosphere, atmosphere, and a magnetosphere. Indicate ... (Read 103 times)

frankwu · **on:** Jul 27, 2018

Compared to Earth, the Moon lacks a hydrosphere, atmosphere, and a magnetosphere.

Indicate whether the statement is true or false

Question 2

The Earth is instantly replaced in its orbit by a speck of dust. Which statement best describes the subsequent orbital motion of that piece of dust?

A) The dust particle will move to a larger orbit and orbit the Sun in more than 1 year.
B) The dust particle will continue in the same orbit as the Earth did, orbiting the Sun in 1 year.
C) The dust particle will move to a smaller orbit and orbit the Sun in less than 1 year.
D) The dust particle will spiral into the Sun.
E) The dust particle will be ejected from the Solar System.