Two stars that are bond together by gravity and orbit a common center of mass are known as

a. meteroids

b. constellation

c. galaxies

d. binary stars

Which capital city lies 8,727 feet above sea level in the mountains of colombia?

What is it called when air pressure at sea level is 101.3

What is the name of the following ionic compound SnSe2

How big would you have to be to have a gravitational pull?

Many extrusive volcanic rocks contain holes which have formed from: acidic reactions escaping gases quartz crystals underwater eruptions

What trends were seen in Mendeleev's periodic table?

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks

Average mass of a toy car (small, hot wheels) ?

A cannon directed straight upward launches a ball with an initial speed v. The ball reaches a maximum height h in a time t. Then, the same cannon is used to launch a second ball straight upward at a speed 2v.

Does the sun fuse hydrogen into helium or vice versa?