CBA 3 Review- Stars, Galaxies, Origins of the Universe

Front

What is a super giant star?

Back

A super giant star is a massive star that is very bright and has a cool surface temperature.

Front

What color are the coolest stars?

Back

Red.

Front

What determines what a star will become?

Back

The mass of the star.

Front

What are the axes of the Hertzsprung Russell Diagram?

Back

Luminosity and Temperature.

Front

What are the spiral arms of a galaxy?

Back

The elongated and curved sections that are connected to the center of a spiral galaxy.

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 the difference between a star and a planet?

Back

A star is a luminous celestial body made of plasma that generates energy through nuclear fusion, while a planet is a celestial body that orbits a star and does not produce its own light.

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 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 Big Bang Theory?

Back

The Big Bang Theory is the leading explanation for the origin of the universe, stating that it began as a singularity and has been expanding ever since.