The cosmic microwave background is:
A) redshifted in the direction of Earth's motion.
B) redshifted in the direction of the Sun's motion.
C) redshifted in the direction of the center of the Milky Way.
D) blueshifted in the direction of Earth's motion.
E) blueshifted in the direction of the Virgo Cluster.
Question 2
If the Sun were replaced by a one solar mass black hole:
A) all terrestrial planets would fall in immediately.
B) we would still orbit it in a period of one year.
C) we would immediately escape into deep space, driven out by its radiation.
D) our clocks would all stop.
E) life here would be unchanged.
Range of Motion of the Wrist and Hand Joints, Hyperextension and Flexion of the Wrist
Solar particles interact with Earth's magnetosphere. Sizes not to scale.
The Tilt of Earth’s Axis
Earth’s Spheres
The Arctic is warming faster than any other region on Earth
Physics - Motion (Please help me solve these problems, I really need help)