|
Author Question: Escape speed from the Sun is A) about the same as from Earth. B) very much greater than for ... (Read 15 times) |
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Did you know?
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.