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How old do stars get?
Most stars get about 1-10 billion years old.
Why do people say looking at stars is like looking in the past?
Because the speed of light is finite (around 186,000 miles per second) and the stars are so distant, it takes a long time for the light to reach the telescope from the stars - at least 4.2 years. Many objects are millions of light years distant, meaning that what we see in the sky is from the distant past.
In general how old are stars?
A typical star has an age of several billion years. Some stars have formed more recently, and are only a few million years old - or even a fraction of a million years, since new stars continue forming all the time. The oldest stars are just a bit younger than the "age" of the Universe (the time since the Big Bang) - which is currently estimated at 13.8 billion years.
How old are the stars in the milky way?
They are all different ages. Some are just being formed now, and some like our sun are several billion years old.
In the book 'Number the Stars' how old was Annemarie?
Annemarie was 10 years old in the book "Number the Stars" by Lois Lowry.
How do astronomers locate other stars trillion light years away?
They can't. The universe is only about 13 billion years old. If there are galaxies a trillion light years away their light has not reached us yet and due to the expansion of the universe, never will. At the edge of what we call the observable universe we cannot make out individual stars, but we can detect galaxies using infrared telescopes.
What is the PGC 3080366 galaxy?
The PGC 3080366 galaxy is a spiral galaxy 600 million light-years from Earth (redshift of 0.044) in the Cetus constellation, and is 100,000 light-years in diameter (same size as the Milky Way), and contains about 100 billion stars (same number of stars as the Milky Way). It emitted its light 600 million years ago when the universe was 13,100 million years old.
What is the NGC 908 galaxy?
The NGC 908 galaxy is a spiral galaxy 60 million light-years from Earth in the Cetus constellation, and is 100,000 light-years in diameter (same size as the Milky Way), and contains about 100 billion stars (same number of stars as the Milky Way). It emitted its light 56 million years ago when the universe was nearly 14 billion years old.
What is the NGC 2770 galaxy?
The NGC 2770 galaxy is a spiral galaxy 90 million light-years from Earth in the Lynx constellation, and is 100,000 light-years in diameter (same size as the Milky Way), and contains about 100 billion stars (same number of stars as the Milky Way). It emitted its light 90 million years ago when the universe was nearly 14 billion years old.
What is the NGC 891 galaxy?
The NGC 891 galaxy is a spiral galaxy 30 million light-years from Earth in the Andromeda constellation, and is 100,000 light-years in diameter (same size as the Milky Way), and contains about 100 billion stars (same number of stars as the Milky Way). It emitted its light 30 million years ago when the universe was nearly 14 billion years old.
What is the NGC 5247 galaxy?
The NGC 5247 galaxy is a spiral galaxy 60 million light-years from Earth in the Virgo constellation, and is 100,000 light-years in diameter (same size as the Milky Way), and contains about 100 billion stars (same number of stars as the Milky Way). It emitted its light 60 million years ago when the universe was nearly 14 billion years old.
What is the NGC 5364 galaxy?
The NGC 5364 galaxy is a spiral galaxy 54.5 million light-years from Earth in the Virgo constellation, and is 100,000 light-years in diameter (same size as the Milky Way), and contains about 100 billion stars (same number of stars as the Milky Way). It emitted its light 54.5 million years ago when the universe was nearly 14 billion years old.
