The outward pressure of hot gas in the Sun
A) is balanced by the inward gravitational pressure.
B) is increasing the Sun's diameter.
C) is cooling the photosphere.
D) is responsible for variations in the sunspot cycle.
E) weakens the magnetic field.
Question 2
Compared to Ida, Eros, and Gaspra, what was odd about Mathilde?
A) It had a small moon, so we could more accurately find its mass.
B) It was much denser, probably made of iron and nickel, a class M asteroid.
C) It was less dense than water, indicating it was a comet nucleus, rather than an asteroid.
D) It was less dense than rock, but more than ice, suggesting a porous structure.
E) It was the same density as the Earth's Moon, indicating it had been knocked off our Moon.
Rebound Tenderness, Quickly Release the Pressure
Gravitational Redshift The color of light from the same object located at diffe
A gasoline direct-injection system injects fuel under high pressure directly into the combustion ...
Major three factors of blood pressure.
Direct pressure applied to a sinus reflex on the tip of a toe.
Aphid and High Fluid Pressure