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What are the oldest types of stars in the universe?
The oldest stars are classified as population III stars [See related question]
What type of stars are the oldest in the universe?
The oldest stars are classified as population III stars [See related question]
Which are the oldest stars in the Milky Way population 1 or 2 stars?
Population II stars are the oldest in our Milky Way. Population III stars were the first stars in the Universe, but have yet to be discovered. See related question
How have the orbits of Population II stars been compared to other celestial bodies in the universe?
Population II stars have been compared to other celestial bodies in the universe based on their orbits, which are typically more elliptical and less circular compared to other objects like planets and Population I stars. This difference in orbit shapes can provide insights into the formation and evolution of these stars and their surrounding systems.
What are the youngest and oldest star?
The youngest stars are protostars which are still forming within giant molecular clouds. The oldest stars in the universe are believed to be Population II stars, which are remnants from the early universe and can be found in globular clusters.
Where are stars in the universe?
Stars are scattered all across our universe but guess what? there are no stars in our solar system besides the sun!
What is the difference between universe and stars?
A galaxy contains billions of stars. A universe contains billions of galaxies.
What are all stars and galaxies in?
All stars and galaxies are in the universe.
Which is the star in the center of the universe?
There is no singular star in the center of the universe. Our universe is vast and does not have a center. Stars are spread throughout the universe in galaxies, and our sun is just one of the billions of stars in the Milky Way galaxy.
Are there 27 stars in the universe?
There are billions of stars in the universe, far more than just 27. Stars are spread across galaxies, and each galaxy can contain billions or even trillions of stars. The universe is vast and expansive, with countless stars yet to be discovered.
What are the population stars?
Stars are grouped into three different populations based on their metallicity. Population III stars (first protostar) are made up entirely of hydrogen and helium (with a very small amount of lithium). These stars created the first 26 elements up to iron via Nucleosynthesis. They are hypothetical, and were supposed to exist only in the early Universe, when there were only light elements. None exist today. Population II stars (Early protostar) are made up of the remnants of a population III star and will contain relatively small amounts of metals. These stars, via a supernova created the rest of the elements, including gold. Population I star (Current, including our Sun) are made up of all of the above and will have the highest metal content. See related link for more information
How does the size of the sun compare to that of other stars in the universe?
The size of the sun is considered average compared to other stars in the universe. There are much larger stars, known as supergiants, and much smaller stars, known as dwarfs. The sun falls in the middle range in terms of size among the billions of stars in the universe.
