Cosmology

Front

What does the Big Bang Theory explain?

Back

The origin of the universe.

Front

How does a star's color relate to its surface temperature?

Back

Yellow stars have a relatively low temperature.

Front

What happens to massive stars when they die?

Back

They become Supernovae.

Front

What is a Neap Tide?

Back

A Neap Tide occurs when the Earth, Sun, and Moon are at right angles to each other, resulting in lower tidal ranges.

Front

What are the main components of the universe?

Back

The main components include galaxies, stars, planets, and dark matter.

Front

What is a galaxy?

Back

A galaxy is a massive system that consists of stars, stellar remnants, interstellar gas, dust, and dark matter, bound together by gravity.

Front

What is a black hole?

Back

A black hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages such as nebula, main sequence, red giant, and supernova or white dwarf.

Front

What is the Doppler Effect?

Back

The Doppler Effect is the change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source.

Front

What is the difference between a protostar and a main sequence star?

Back

A protostar is an early stage of star formation, while a main sequence star is a stable phase where hydrogen is fused into helium.