ESS 1st Semester Exam Review Through 8.1

Front

What is a galaxy?

Back

A galaxy is a system of stars, dust, and gas bound together by gravity.

Front

What region does not require daylight savings time?

Back

The equator does not require daylight savings time.

Front

When does the Northern Hemisphere have the most hours of daylight?

Back

The Northern Hemisphere has the most hours of daylight at the summer solstice.

Front

Which type of telescope detects invisible electromagnetic radiation?

Back

A radio telescope detects invisible electromagnetic radiation.

Front

What factors affect the solar energy reaching Earth’s surface according to the Milankovitch theory?

Back

Eccentricity, tilt, and precession affect the solar energy reaching Earth’s surface.

Front

Define eccentricity in the context of Earth's orbit.

Back

Eccentricity refers to the shape of Earth's orbit around the Sun, indicating how much it deviates from a perfect circle.

Front

What is the summer solstice?

Back

The summer solstice is the longest day of the year, occurring around June 21 in the Northern Hemisphere.

Front

What is the role of a radio telescope?

Back

A radio telescope is used to detect radio waves emitted by celestial objects.

Front

Explain the concept of precession.

Back

Precession is the gradual shift in the orientation of Earth's axis of rotation, affecting climate over long periods.

Front

What is the significance of the equinoxes?

Back

Equinoxes are the times of the year when day and night are of approximately equal length, occurring in spring and autumn.