1.

_______ is not one of the basic types of galaxies.A. RegularsB. SpiralsC. EllipticalsD. Irregulars1. D2. B3. C4. A

Answer» Correct Answer - Option 4 : A

The correct answer is Regulars.

  • Irregular galaxies have no regular or symmetrical structure. They are divided into two groups, Irr I and IrrII.
  • Irr I type galaxies have HII regions, which are regions of elemental hydrogen gas, and many Population I stars, which are young hot stars.18-Apr-2000
  •  Astronomers classify galaxies into three major categories: elliptical, spiral, and irregular.
  • These galaxies span a wide range of sizes, from dwarf galaxies containing as few as 100 million stars to giant galaxies with more than a trillion stars.
  • Elliptical galaxies, such as M87, are the oldest and roundest galaxies in the universe.


Discussion

No Comment Found

Related InterviewSolutions