Chapter 29 Stars

Which magnitude would be associated with the brightest star?

• 15

• 10

• 5

• -5

The difference in the brightness of two stars with the same surface temperature is attributable to their ____.

• densities

• colors

• ages

• sizes

A Hertzsprung-Russell (H-R) diagram shows the relationship between ____.

• absolute magnitude and apparent magnitude

• temperature and absolute magnitude

• parallax and temperature

• apparent magnitude and parallax

Which main-sequence stars are the most massive?

• red

• orange

• yellow

• blue

Which main-sequence stars are the least massive?

• red

• orange

• yellow

• blue

According to Figure 25-1, the sun has an absolute magnitude of ____.

• -5

• 0

• 5

• 5000

Tags

NGSS.HS-ESS1-1

Another name for the interstellar matter that will eventually form a star is ____.

• supernova

• red giant

• black hole

• nebula

Massive stars terminate in a brilliant explosion called a ____.

• red giant

• protostar

• neutron star

• supernova

Before being engulfed, matter that is pulled into a black hole should become very hot and emit ____.

• infrared radiation

• hydrogen nuclei

• atoms

• X-rays

Tags

NGSS.HS-PS4-3

When a main-sequence star has exhausted the fuel in its core, it becomes a ____.

• black hole

• black dwarf

• neutron star

• red giant

Tags

NGSS.HS-ESS1-1