Sun and Stars

Front

What is the H-R Diagram used for?

Back

The H-R Diagram is used to classify stars based on their temperature, brightness, and size.

Front

What process produces energy for the sun?

Back

Fusion is the process that produces energy for the sun.

Front

Why can we see the Moon in the night sky?

Back

The Moon reflects light from the Sun.

Front

Why do other stars appear smaller than the sun?

Back

Other stars appear smaller than the sun because they are much farther away.

Front

What is a star?

Back

A star is a massive, luminous sphere of plasma held together by gravity, undergoing nuclear fusion.

Front

What is the main component of the Sun?

Back

The main component of the Sun is hydrogen, which undergoes fusion to form helium.

Front

What is a solar flare?

Back

A solar flare is a sudden eruption of intense high-energy radiation from the sun's surface.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

Front

What is the significance of a star's color?

Back

A star's color indicates its temperature; blue stars are hotter, while red stars are cooler.

Front

What is a light-year?

Back

A light-year is the distance that light travels in one year, used to measure astronomical distances.