course hero 1. is the sun an average star? why or why not?

Why is the Sun not an average star?

Nov 08, 2018 · Answer In some ways, the Sun is an average star. Its luminosity, mass, and temperature are close to the middle of the range of the extreme values seen for all stars. (You might say it is a “median” star, in this sense.) The Sun is also a main sequence star, as are about 90% of all the stars. In other ways, it is atypical: the vast majority of stars have a lower …

Is the Sun a mediocre star?

Answer & Explanation. All tutors are evaluated by Course Hero as an expert in their subject area. An average star is a star with a mass between 0.5-8 solar masses that spends most of its time on the main sequence and has three main phases that is yellow dwarf, white dwarf and red giant. Its temperature usually ranges between 2900K and 7000K.

What makes the sun so special?

Using one sentence each, describe how the following units of measure are defined: 1) Astronomical Unit: the average distance of the Earth from the sun. 2) Light year: The distance travelled by light in a vacuum in one year 3) Parsec: The distance to a star that subtends and angle of 1 arc second at an arc length of 1 AU. .

Is the Sun an ‘unaverage’ star?

An average mass star like our Sun begins it s life in a ( Stellar ) ( Nebula ) After it has spent at time as a star , it expands to form a ( Red ) ( Giant ) Next it explodes to form a ( Planetary ) ( Nebula ) In it s last stage of life , it contracts to form a very small ( White ) ( Dwarf ) star A large mass star begin its life in a ( Stellar ) ( Nebula ) .

Is the Sun an average star why or why not?

Why is our Sun an average star? Our Sun is an average star because it is a pretty typical star. It is not the oldest star in our Galaxy, but it is not the youngest either it is at an average age. It is not the hottest star in our galaxy, but it is not the coldest.

Is the sun a fairly average star?

The Earth orbits around our sun, and so do all the other planets, dwarf planets, moons, asteroids and comets in our solar system. The sun is really just an average star, like trillions of other stars in the universe.Jan 22, 2017

What does average star mean?

An average star, or intermediate-mass star, is a star with an initial mass of 0.5 to 8 times that of Earth's sun.Aug 25, 2015

What makes a star a sun?

A star is called a Sun only if positioned at the centre of a planetary system. And because many stars in the galaxy also have planets orbiting them, this also makes them Suns. The Sun appears about 64 billion times brighter than it would if it were at the distance of the closest star.Mar 18, 2021

How many red dwarf stars are there in the universe?

However, according to Wikipedia, about 75% of the stars in the universe are red dwarfs, which greatly differ from the sun. I've tried doing a little bit of research and I've found that the sun is "average" if you exclude all the dwarf stars from you calculations.

Is the Sun an average star?

The Sun is decidedly NOT an average star, except that it is on the hydrogen-burning main sequence, where ∼ 90 % of stars in the local stellar population are found.

Is the Sun the center of the universe?

But over the centuries we've discovered that neither the sun nor the earth is the center of the universe, that the stars we see in the night sky are just like our own sun, and that some of them are much brighter and/or much larger (in mass or volume). So saying the sun is an average star is mostly a historical artifact.