I believe the answer is flies since they study bugs, please get another opinion to be sure.
Answer:
An indirect measurement of the speed of molecules is temperature
Within the system of the same star, the period of a planet's orbit is
proportional to the 3/2 power of its distance from the central body.
(Kepler's empirical third law of planetary motion, promoted to being
etched in stone by Newton's gravitation.)
(4) ^ 3/2 = <em>8 times</em> as long.
Objects with less density than water will float when you put them in water.
Objects with greater density than water will sink when you put them in water.
