Int. Science Mid-Term 2024

Front

What is the Big Bang Theory?

Back

The theory that all matter and energy in the universe was compressed into an extremely small volume that exploded and began expanding in all directions approximately 13 to 15 billion years ago.

Front

What is the Doppler Effect?

Back

An observed change in the frequency of a wave when the source or observer is moving.

Front

What is Redshift?

Back

The displacement of the light spectrum of an astronomical object toward longer (red) wavelengths as it travels away from the observer.

Front

What is a Crest in wave terminology?

Back

The highest surface part of a wave.

Front

What is Nebular Theory?

Back

The theory that the solar and stellar systems were developed from a primeval nebula.

Front

What is the Electromagnetic Spectrum?

Back

The range of all types of electromagnetic radiation, including visible light, radio waves, and X-rays.

Front

What is Cosmic Background Radiation?

Back

The thermal radiation filling the universe, a remnant from the Big Bang.

Front

What is Amplitude in wave terminology?

Back

The maximum extent of a wave measured from its rest position.

Front

What is Trough in wave terminology?

Back

The lowest surface part of a wave.

Front

What is Accretion?

Back

The process by which particles clump together to form larger bodies, such as planets and stars.