Galaxies nd Cosmos

What type of galaxy is the Milky Way?

• Elliptical galaxy

• Spiral galaxy

• Irregular galaxy

• Lenticular galaxy

Which of the following is NOT a type of galaxy?

• Spiral galaxy

• Elliptical galaxy

• Hyperbolic galaxy

• Irregular galaxy

Which of the following is NOT a component of galaxies?

• Galactic Center

• Spiral Arms

• Kuiper Belt

• Galactic Halo

What term describes the ratio of the mass of a galaxy to its luminosity?

• Dark Matter Ratio

• Galactic Mass Index

• Luminosity Factor

• Mass-to-Light Ratio

What type of matter, with a lot of mass and essentially no light, constitutes most of the matter in galaxies?

• Dark Matter

• Luminous Matter

• Nebulous Matter

• Interstellar Matter

What is the predominant composition of the universe?

• Stars and Planets

• Interstellar Gas and Dust

• Dark Energy and Dark Matter

• Asteroids and Comets