Astronomy 2024 Fall Final reivew

Front

What is the tilt of the Earth's axis?

Back

The Earth's axis is tilted at 23.5 degrees.

Front

What does the Earth's axial tilt create?

Back

The Earth's axial tilt creates the seasons.

Front

What is the Doppler effect in astronomy?

Back

The Doppler effect helps astronomers detect the motion and speed of celestial objects.

Front

What are the characteristics of UV radiation?

Back

UV radiation is characterized by its short wavelength and high energy.

Front

What produces UV radiation in space?

Back

UV radiation is produced by stars and other celestial bodies.

Front

What is an essential condition for life to exist?

Back

The presence of liquid water.

Front

What are the characteristics of the Earth's outer core?

Back

The Earth's outer core is liquid and composed mainly of iron and nickel.

Front

What is the significance of the Earth's axial tilt?

Back

It is responsible for the changing seasons throughout the year.

Front

How does the Doppler effect relate to the speed of stars?

Back

It allows astronomers to measure the redshift or blueshift of light from stars, indicating their speed relative to Earth.

Front

What role does liquid water play in the search for extraterrestrial life?

Back

Liquid water is considered essential for life as we know it, making planets with water potential candidates for hosting life.