The tides on Earth are an example of
A) Newton's first law of motion.
B) Newton's second law of motion.
C) Newton's third law of motion.
D) the universal law of gravitation.
E) none of the above
Question 2
What evidence suggests that small galaxies in our Local Group have undergone two or more starbursts in the past?
A) We observe several small galaxies currently undergoing massive star formation.
B) We see small galaxies in which many stars have one age and many others have another age that is billions of years older.
C) We see evidence that small galaxies in our Local Group have experienced several collisions in the past.
D) We see evidence that several small galaxies were shot out of larger galaxies in our Local Group during an age of starburst activity.
E) We do not have any evidence that galaxies in our Local Group were once starburst galaxies.
Range of Motion of the Hip Joint, Internal and External Rotation
Earth’s Magnetic Field
Spectral Line Motion in Binary Star Systems
Earth’s Lithospheric Plates
Idealized Tidal Bulges on Earth
Relative Sizes of Dwarf Planets and Earth