Characteristic of a Star

Characteristics used to classify stars include

• distance, size, and color.
• size, distance, and brightness.
• color, brightness, and distance.
• size, brightness, and temperature.

What color are the coolest stars?

• blue-white
• yellow
• red
• orange

A supernova is the explosion of a dying

• medium-mass star.
• high-mass star.
• protostar.
• low-mass star.

Tags

NGSS.HS-ESS1-3

The absolute magnitude of a star depends on its

• distance from Earth and temperature.

• apparent magnitude and distance from Earth.

• color and temperature.

• distance from Earth and color.

The Hertzsprung-Russell diagram shows that main-sequence stars

• are mostly hot and dim.
• are mostly cool and bright.
• increase in brightness as they increase in temperature.
• decrease in brightness as they increase in temperature.

The brightness of a star as seen from Earth is its 

• apparent magnitude.

• absolute magnitude.

• parallax.

• reflective magnitude.

All stars begin as gas and dust in a ___________.

• nebula

• supernova

• black dwarf

• white dwarf

The blue-white core left after the outer layers of a star have drifted away is called a ______________.

• nebula

• supernova

• black dwarf

• white dwarf

Which stages are shared by both low mass and high mass stars? There is more than 1 answer.

• nebula

• protostar

• main sequence

• black hole

How long a star lives depends on its________.

• mass
• color
• temperature

Tags

NGSS.HS-ESS1-1