What are the 7 types of stars?

There are seven main types of stars. In order of decreasing temperature, O, B, A, F, G, K, and M. This is known as the Morgan–Keenan (MK) system. The majority of all stars in our galaxy and even the Universe are main-sequence stars.

What are the 9 different types of stars?

They come in many different types and sizes, from smouldering white dwarfs to blazing red giants. Stars are often classified according to spectral type….

  • Yellow Dwarf Stars.
  • Orange Dwarf Stars.
  • Red Dwarf Stars.
  • Brown Dwarfs.
  • Blue Giant Stars.
  • Red Giant Stars.
  • Red Supergiant Stars.
  • White Dwarfs.

What are the 12 types of stars?

Main sequence stars typically range from between one tenth to 200 times the Sun’s mass.

  • Blue Stars. -Spectral Type: O, B.
  • Yellow Dwarfs. S -Spectral Type: G.
  • Orange Dwarfs. Spectral Type: K.
  • Red Dwarfs. -Spectral Type: K, M.
  • Blue Giants.
  • Blue Supergiants.
  • Red Giants.
  • Red Supergiants.

Are there different stars in the universe?

Stars are not scattered randomly through space, they are gathered together into vast groups known as galaxies. Astronomers estimate there are about 100 thousand million stars in the Milky Way alone. Outside that, there are millions upon millions of other galaxies also!

What are the 10 types of stars?

The Different Types of Stars

  • Protostar. A protostar is what comes before a star has formed – a collection of gas that collapsed from a huge molecular cloud.
  • T Tauri Stars.
  • Main Sequence Stars.
  • Red Giant Stars.
  • White Dwarf Stars.
  • Red Dwarf Stars.
  • Neutron Stars.
  • Supergiant Stars.

What is the rarest star in the universe?

An O-type star is a hot, blue-white star of spectral type O in the Yerkes classification system employed by astronomers. They have temperatures in excess of 30,000 kelvin (K).

What is the biggest type of star?

The largest known star in the universe is UY Scuti, a hypergiant with a radius around 1,700 times larger than the sun. And it’s not alone in dwarfing Earth’s dominant star.

What is the rarest star color?

What is the estimated number of stars in the universe?

Scientists estimate that there are between 3 and 7 x 10 22 stars in the universe, or between 30 and 70 billion trillion.

What are other galaxies in the universe?

Some are a little larger, and some are a little smaller, but they all have that beautiful spiral shape. Examples of other galaxies with the spiral shape include Andromeda galaxy and the Whirlpool Galaxy. Another kind of galaxies are the elliptical galaxies.

What are the different types of universe?

Greene’s Classifications Quilted Multiverse. (Level 1): Space is infinite, therefore somewhere there are regions of space that will exactly mimic our own region of space. Inflationary Multiverse. Brane Multiverse. Cyclic Multiverse. Landscape Multiverse. Quantum Multiverse. Holographic Multiverse. Simulated Multiverse. Ultimate Multiverse.