Tell about Galaxies ?
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daksh007
Manoj
6 posters
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- karan
- Posts : 11270
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:04 am
It divides galaxies into three main classes with a few variations.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:04 am
alaxies are divided into four main groups: spiral, barred spiral, elliptical, and irregular.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:04 am
A galaxy is a massive
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:04 am
gravitationally bound system that consists of stars
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:04 am
stellar objects (such as brown dwarfs and neutron stars),
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:05 am
an interstellar medium of gas and dust,
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:05 am
black holes
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:05 am
an unknown component of dark matter
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:06 am
There are probably more than 170 billion galaxies in the observable universe
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:06 am
In the best sky conditions
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:06 am
the naked eye (with effort) can see objects with an apparent magnitude of 8.0.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:06 am
This reveals about 43,197 objects in the sky.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:06 am
There are 9 galaxies visible to the naked eye that you might see when observing the sky,
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:07 am
there are about 13 nebulae that you might see
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:07 am
It's a small part of the Milky Way Galaxy.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:07 am
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:07 am
A galaxy is held together by gravity.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:08 am
Some scientists think there could be as many as one hundred billion galaxies in the universe.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:08 am
There are three main types of galaxies: Elliptical, Spiral, and Irregular.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:08 am
Two of these three types are further divided and classified into a system that is now known the tuning fork diagram.
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:09 am
Yes, you can see a few other galaxies without using a telescope! ..
- karan
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:09 am
one of the most beautiful galaxies we can see with the naked eye is visible in the night sky all this month (November).
- daksh007
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Re: Tell about Galaxies ?
Tue Jan 08, 2019 11:09 am
Good one
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