the sun and other stars

Front

What makes the Sun appear brighter than other stars?

Back

The Sun appears brighter than other stars because it is closer to Earth.

Front

What is a star?

Back

A star is a huge ball of hot, glowing gas that gives off heat and light, held together by gravity.

Front

Is our Sun average-sized, average temperature, and middle-aged?

Back

True.

Front

How would you describe the Sun?

Back

The Sun is a medium or average yellow star.

Front

What is a binary star system?

Back

A binary star system is when two stars orbit each other.

Front

What is the primary source of light and heat for Earth?

Back

The Sun.

Front

What type of star is the Sun classified as?

Back

The Sun is classified as a G-type main-sequence star (G dwarf).

Front

What is the temperature of the Sun's surface?

Back

About 5,500 degrees Celsius (9,932 degrees Fahrenheit).

Front

What is the main process that powers stars like the Sun?

Back

Nuclear fusion, where hydrogen atoms combine to form helium, releasing energy.

Front

What is the closest star to Earth?

Back

Proxima Centauri.