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Astronomy

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Glen Fahey

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Cards in this guide (15)
Ocean currents moving away from the equator bring what waters

Ocean currents moving away from the equator bring warm waters.

The Length of an Earth year is based on Earth's

orbit

What was the device that Torricelli invented for measuring air pressure called

Mercury Barometer

When lighting appears in the remote distance and appears to produce no thunder sound it is called

When lightning appears in the remote distance and appears to produce no thunder sound, it is popularly known as "heat lightning."

Meteorologists will tell you that there really is no such thing as a distinct type of lightning that is not followed by thunder.

All lightning produces thunder, but it is only audible for a distance of some 15-20 miles from the storm. At night, lightning can be seen for distances of up to 125 miles if the conditions are right. So when lightning is seen but no thunder is heard, you are simply too far away from the storm.

Which of these refers to a small celestial object orbiting the Sun and ranging in size from a grain of sand to a boulder

meteoroid

What is the most important component of the air you breathe

Oxygen A+

Which type of telescope uses concave mirrors to increase the size of the image being viewed

reflecting

In which layer is oxygen content the highest

trophosphere

In the United states tornadoes are most common in the

Tornadoes are most common on the Great Plains.

What are cold dry air masses that flow into the US from the interior of Canada called

continental tropical

When the Moon is farthest from the Earth this point is called .

When the Moon is farthest from the Earth, this point is called apogee

What celestial events occurs around July 4

aphelion for a+

What is the primary method by which water enters the air is called

evaperation

Constellations all have names from which origin

latin A+

When the sun provides a clean source of energy its known as what

solar energy

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