Space

What type of galaxy is the Milky Way?

• elliptical

• irregular

• spiral

The Hubble Space Telescope transmits images from deep space to Earth. The images show extremely large, distant structures in the universe. Structure Y is MOST likely which of the following?

• a star

• a planet

• a nebula

• a galaxy

Which statement BEST describes the relationship between Earth and the Milky Way galaxy?

• Earth is billions of light-years away from the Milky Way galaxy.

• Earth is part of a galaxy that is nearest to the Milky Way galaxy.

• Earth is located in the Milky Way galaxy but far from the galaxy center.

• Earth is positioned in the center of the Milky Way galaxy.

All stars in the universe go through a life cycle. What factor determines how stars progress through this cycle?

• the radiation that is present in the star

• the amount of energy the star consumes

• the quantity of mass with which the star began

• the location of the star in the universe

The stages of evolution of a star are determined by the mass of the star at the beginning of its life cycle. Which stage of evolution is the oldest form of a massive star?

• red giant

• supernova

• neutron star

• white dwarf

The Sun is a medium-sized star and is expected to continue to perform nuclear fusion for five billion years. What is MOST likely to be the final stage of the Sun?

• supernova

• supergiant

• neutron star

• white dwarf

Tags

NGSS.HS-ESS1-1

In 1987, a supernova was detected in the Large Magellanic Cloud galaxy, which is approximately 169,000 light-years from Earth. Which event produces a supernova?

• the explosion of a massive star

• the birth of a main sequence star

• the collapse of a medium-sized star

• the collision of one star with another

Which property determines the fate of a star as it develops?

• mass

• location

• luminosity

• temperature

Tags

NGSS.HS-ESS1-1

Based on the diagram, which of these conclusions about Star 1 is MOST likely correct?

• It is hot and dim.

• It is cool and dim.

• It is hot and bright.

• It is cool and bright.

A student uses a telescope to view stars at night. The student notices some of the stars are different colors. The color of a star is determined MOST by its

• size.

• distance from Earth.

• mass.

• temperature.

Tags

NGSS.HS-PS4-3