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.
Earth Latitude Tilt
The Sun as it appears from the surface of Earth before sunset.
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
The Distribution of the Earth's Wealth
Earth’s Heat Budget
Apply effleurage with wave motion to posterior cervical region. Use fingertips to slide along ...