The natural ridges formed when water flow causes sediments to drop along the edge of a river's channel
What is a levee?
Most destructive force of a hurricane
What is wind?
What is a (lunar) month?
A meteor that lands on Earths surface
What is a meteorite?
The circular pacts that the oceans surface currents move in
What are gyres?
Planet with the fastest rotation
What is Jupiter?
Type of satellite that relays phone communications, transmits TV broadcasts, and receives radio services
What is a communication satellite?
Point on the celestial sphere that is directly below the observer
What is a nadir?
Used to measure the distance from the ground to the base of the clouds
What is a ceilometer?
Calendar that has a leap year every four years with no exceptions
What is a Julian calendar?
Change in the light that is observed from a star moving toward the Earth
What is a blueshift?
What is a spicule?
Constellation that contains the brightest summer star
What is Lyra?
Type of galaxy that is flat with a bulging nucleus and a solid disk
Space program that first landed a man on the moon
What is the Apollo?
A device that safely starts and controls a fission chain reaction
What is a nuclear reactor?
Type of orbit that crosses the equator at the same local mean solar time on every orbit
What is a sun synchronous orbit?
Group of long living halogen compounds that are supposedly the cause of ozone depletion
What are CFCs?
System in which two stars are bound together by gravity
What is a binary star?
A person who believes humans are merely passing through the earth and have no claim to anything
What is a preservationist?
Group of biogeochemical cycles that recycle nutrients found in soil and rock
What are sedimentary cycles?
Type of pollution that does a water to energy incinerator help reduce
What is land pollution?
Useful fire fighting chemicals that were restricted under the Montreal Protocol
What are halons?
Time period that had average global temperatures warmer than at present
What is the Medieval Climate Optimum?
U.S. laws, amendments, and extensions that control air poll
What are the Clean Air Acts?