RES - Midterm Review - 3

Front

What type of star is Vega with an average surface temperature of 10,000 K and luminosity 70 times greater than the Sun?

Back

Main sequence star.

Front

What type of star is Arcturus with a surface temperature of 4560 K and luminosity of 170?

Back

Giant star.

Front

What happens to the intensity of insolation at solar noon from November 1 to February 1 in New York State?

Back

It decreases, then increases.

Front

What pattern do Long Island tides show based on changing ocean water levels?

Back

Cyclic and predictable.

Front

Identify the components of our solar system: X = ?, Y = ?, Z = ?

Back

X = comet; Y = meteor; Z = asteroid.

Front

What is the definition of a main sequence star?

Back

A star that is in the stable phase of hydrogen burning in its core.

Front

What is a giant star?

Back

A star that has expanded and cooled, typically larger than the Sun.

Front

What is insolation?

Back

Insolation is the amount of solar radiation received by a given area.

Front

What does cyclic mean in the context of tides?

Back

Cyclic means that the pattern repeats at regular intervals.

Front

What is the significance of luminosity in classifying stars?

Back

Luminosity indicates the total amount of energy emitted by a star.