How many dwarf stars are in the Milky Way?

The Milky Way may contain ten billion white dwarfs, a billion neutron stars, and a hundred million stellar black holes. Filling the space between the stars is a disk of gas and dust called the interstellar medium.

Is there a black dwarf star?

The ultimate stage of stellar evolution for many stars is a black dwarf. Because they emit no heat or light, these objects would be a challenge to detect if they existed today. However, black dwarfs take quadrillions of years to form. After an extremely long time, all of the leftover heat will have radiated away.

Is Segue 2 the smallest galaxy?

Scientists at the University of California at Irvine have discovered a galaxy so small that it barely even qualifies as a galaxy. Deemed “Segue 2,” the dwarf galaxy only contains about 1,000 stars and is the least massive galaxy in the known universe, reports Phys.org.

How many planets are in dwarf galaxy?

six dwarf planets
Dwarf Planets Are Prolific Currently, there are six dwarf planets officially designated by the IAU: Pluto, Ceres, Eris, Makemake, Haumea, and 2015 RR245, discovered in July.

What is a yellow dwarf star called?

A yellow dwarf is a star and is often referred to as a G-type main sequence star. A perfect example of a yellow dwarf would be the sun. A yellow dwarf has a mass almost like the mass of the sun. Its color ranges from white to a lighter yellow.

How many stars are there in the Milky Way galaxy?

16 billion stars of mass near our Sun, 0.7–1.3 solar masses (a typical yellow dwarf). Smaller 0.1 to 0.7 solar masses numbers turn out a total of approx. 360 billion red, white and yellow small dwarf stars.

How much energy does the Sun generate from a yellow dwarf?

G-type yellow dwarfs are mega-power generators. Being a main-sequence star, the Sun is converting hydrogen into helium at the rate of about 600 tons per second, which means that in practice, the Sun is converting about 4 million tons of matter into energy every second.

How many G-type dwarf spectral standard stars are there?

The revised Yerkes Atlas system (Johnson & Morgan 1953) listed 11 G-type dwarf spectral standard stars; however, not all of these still conform to this designation.