Several consecutive days of rather constant weather in an area probably indicates ________.

A ________ is a collapsing cloud of gas and dust that will eventually become a star.

Stationary fronts are distinctive because ________.

If the universe is sufficiently dense, gravity will someday pull it all back together in an event called ________, sort of like the big bang in reverse.

List the order of planets in our solar system starting from the sun. 

Glucocorticoids should be taken short term. After taking for how many days can the client have immune system suppression?

Discuss the differences between a geocentric and the heliocentric model of the universe.

A hurricane has slower wind speeds than a tornado does, but it inflicts more damage. Why?

Very large red stars, such as Betelgeuse in the constellation Orion, are called ________.

Most of the time, the planets appear to move eastward. However, the occasional apparent westward “drift” of the planets compared to the background stars is called ________.