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Milky Way Galaxy

The Milky Way, named for how its pale light is seen from Earth, is the galaxy that our solar system belongs to.

954 Questions

Diameter of the milky way in kilometers?

Ok you asked for it

Our Sun is 1,400 light years from the galactic center of the Milky-way now given that the sun and all of us here are on a trip around the Milky way for the next 220 million years it takes to do one cycle of the Milky-way and also the Milky way is on a trip which takes 50 million years to rotate, thus this answer is variable ( not, I am sure, that this matters in our daily lives)

This equates to 300,000 (the speed at which light travels in near kms) x 60 ( to make one minute) x60 ( to make the hour) x 24 ( to make the day) x 1400 (the distance of the sun to the galactic center) x 364.25 (to turn days into years) =132,179,040,000,000,000,000,000 kms from the galactic center or about 130 thousand billion billion kilometers

or 130 billion trillion kilometers

or 130 thousand million million million kilometers

or better still 1,400 light years

How many stars in the milky way galaxy have earth like planets?

It is estimated that there are billions of stars in the Milky Way galaxy that could potentially have Earth-like planets within their habitable zones. The exact number is difficult to determine with certainty due to the vastness of our galaxy and the limitations of current technology.

Why have no pictures been taken outside of the milky way galaxy?

We are inside the Milky Way galaxy, and so it is difficult to tell exactly what it looks like from the outside - because we aren't "outside."

Think of it like this: If you are inside your house and never went outside, you could still look out the windows and see other houses. But you wouldn't be able to SEE your house. You could figure it out, by drawing a diagram - but it isn't the same thing as seeing it from the outside.

From Earth, we see thousands upon thousands of stars. With big telescopes, we can also see other things between the stars, and some of those things are other galaxies.

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Some galaxies are hard to see because dense groupings of stars and nebulae in the Milky Way are in the way. But given that, we can see a dozen or so "satellite" galaxies of the Milky Way, and the next closest galaxies are those in the Andromeda group, some 2 million light-years away. This means that the light we see left Andromeda more than two million years ago. We are seeing them as they were that long ago. However, galaxies persist for billions of years, so they are likely very little changed from what they looked like then.

How many years would it take a spacecraft traveling at the speed of light to cross the milky way galaxy?

The very fastest human-made spacecraft ever aren't out of this solar system yet, and they were launched in the 70s.

"Billions of years" is, if anything, an understatement.

What is the closest spiral galaxy to the Milky Way Galaxy?

The closest galaxy to our galaxy the Sagittarius galaxy but its Dwarf Galaxy, Andromeda is the Complete Galaxy and yet classified as the Galaxy which is closest to our galaxy. Facts : There are 12 Dwarf galaxies and 1 complete galaxy within the distance of 500,000 light years. Andromeda Galaxy is moving towards our galaxy at the speed 300,000 Kilometers per hour, but its so far that i would take millions of year to have a clash.

If the Sun and Earth were at the edge of the disk of the Milky Way Galaxy what would be the diameter of the galaxy in light years?

The diameter of the Milky Way galaxy is about 100,000 light-years. If the Sun and Earth were at the edge of the disk, we would still be within the galaxy's boundaries, so the diameter would remain around 100,000 light-years.

This cluster of galaxies is made up of about 25 galaxies including the milky way?

Yes its called the Local Cluster or Local Group, we have many minor Globular or Cluster Galaxies orbiting our own.

How many neutron stars are in milky way?

It is estimated that there are several hundred million neutron stars in the Milky Way galaxy, with more being created through supernova explosions over time. However, only a small fraction of these neutron stars have been detected and studied so far.

Why do astronomers hypothesize that there is a supermassive black hole at the center of the milky way?

Astronomers hypothesize the presence of a supermassive black hole at the center of the Milky Way because of the high velocities exhibited by stars orbiting the region and the intense radiation emitted, which is characteristic of black hole activity. Additionally, observations of other galaxies suggest that supermassive black holes are common in galactic centers.

The Milky Way Galaxy and about 17 other galaxies within 3 million light-years of the Milky Way Galaxy are collectively known as what?

The Milky Way Galaxy and about 17 other galaxies within 3 million light-years are collectively known as the Local Group. This group includes galaxies such as Andromeda (M31), Triangulum (M33), and the Milky Way.

How do you get pictures of the Milky Way galaxy?

This question can be looked at two different ways.

  1. Where can you find pictures of the Milky Way
  2. How do you get a picture of the Milky Way - if we're in it!!

So two questions in one.

  1. The best place to get pictures of the Milky Way is to go to google images and type Milky Way. Or for a great picture see related link.
  2. Parts of the Milky Way Galaxy are visible from Earth, but when you see a picture of the complete Milky Way, it's just an artists rendition of what the Milky Way Galaxy should look like, based on local observations and looking at the Andromeda galaxy, which is very similar to ours.

The Milky Way galaxy is much smaller than?

The Milky Way galaxy is much smaller than the largest known galaxy in the universe, IC 1101. IC 1101 is about 6 million light-years in diameter, whereas the Milky Way is approximately 100,000 light-years in diameter.

Who owns the Milky Way galaxy?

Lots of people own little bits of the Milky Way galaxy. The Earth and everything on it is part of the Milky Way so if you own anything at all you too own a bit of the Milky Way.

People themselves are also part of the Milky Way so in a way bits of the Milky Way own parts of the Milky Way.

Classified into different types elliptic spiral and barred spiral ours is the milky way?

The Milky Way is classified as a barred spiral galaxy. This means it has a central bar-shaped structure with spiral arms extending from it. The other type mentioned, elliptic spiral galaxies, have a more elliptical shape without distinct spiral arms.

Did Star Trek ever travel outside the Milky Way galaxy?

Yes. In the second pilot, the first one with Kirk as the Captain, they left the galaxy. In the one with the Medusan Ambassador, they left it again. I am not sure if the Kelvans took he Enterprise outside the galaxy or not (the episode in which the crew was mostly turned into small paperweight-sized objects). And in one episode of TNG the Enterprise D wound up so far from this galaxy, I don't know if they could even tell where it was. I think this was a Q episode but am not sure.

Is the consellation Big Dog in the Milky Way Galaxy?

The constellation is basically a direction in the sky, so it includes parts of our galaxies, but you can also see other galaxies in the same direction (in the same constellation).

The constellation is basically a direction in the sky, so it includes parts of our galaxies, but you can also see other galaxies in the same direction (in the same constellation).

The constellation is basically a direction in the sky, so it includes parts of our galaxies, but you can also see other galaxies in the same direction (in the same constellation).

The constellation is basically a direction in the sky, so it includes parts of our galaxies, but you can also see other galaxies in the same direction (in the same constellation).

What is the distance across the milky way galaxy in astronomical units?

The Milky Way galaxy is approximately 100,000 light-years in diameter. One light-year is equivalent to about 63,240 astronomical units (AU), so the distance across the Milky Way galaxy would be around 6.32 million AU.

NASA plans to launch a spaceship that will photograph your Milky Way Galaxy from beyond its halo?

That sounds like an exciting mission! The images captured from beyond the halo of the Milky Way Galaxy could provide valuable insights into its structure, composition, and evolution. This data could help scientists better understand our place in the universe.

How far is the milky way galaxy from the moon?

The moon is in the Milky Way. Just like Earth and everything else in our solar system.

How many spiral arms dose the milky way galaxy have?

It's really impossible for us to know but we can give pretty good simulations. You see Science is techniccaly limited to what humans can observe. Seeing that the only way to observe the milky way is to travel 1,000,000 light years away is impossible you can't scientifically prove how many arms we have. How ever by calculating the distance, and right ascension of millions of stars we can get a good guess. Most pictures will agree that the Milky Way has something to the effect of 5 arms. It seems like much more because each arme loops around 3-4 times.

Does the Milky Way Galaxy Have A Surface?

As best as we can tell, everything "has gravity" in the sense that it creates a gravitational field and interacts with other gravitational fields.

This applies even to "massless" particles like photons, which have a relativistic mass even though they have zero rest mass.

If the milky way galaxy did not exist would human life exist?

Simple answer no if the Milky Way did not exist there would be no human race.

We are part of the Milky Way galaxy in the most fundamental ways. We live here. We evolved here. Every element that goes up to make the Earth and you except hydrogen and most of the helium comes from stars that lived and died billions of years ago within the Milky Way. We owe our entire existence to the Milky Way.

It is absolutely probable that life has arisen in far off galaxies. They might even look remarkably like humans although that is very doubtful but still they will not be humans.

Does the milky way follow Fibonacci sequence?

"Follow the Fibonacci sequence" is shorthand for "this is all new agey claptrap and I have nothing useful to say".

I don't know what you mean when you ask this question, exactly. But, sure, I'm sure that with only a small amount of fudging you could somehow force the data to fit whatever you want it to.

Does milky way galaxy have revolution around it's center?

Yes. It takes a long, long time for one turn, like 200 million years.

Yes. It takes a long, long time for one turn, like 200 million years.

Yes. It takes a long, long time for one turn, like 200 million years.

Yes. It takes a long, long time for one turn, like 200 million years.

In what region of the Milky Way Galaxy would you expect to find Type I supernovae Why?

Unlike the other types of supernovae, Type Ia supernovae generally occur in all types ofgalaxies, including ellipticals and they show no preference for regions of current stellar formation - they can occur anywhere in the Milky Way Galaxy.
The reason for this is that Type 1 supernovae occur when the remnant of a small star (a white dwarf) accreets enough mass (by gas capture from, or merger with another star) to exceed the Chandrasekhar limit of about 1.38 solar masses. When this mass is exceeded carbon fusion is reignited in the stellar core and the star explodes and as white dwarf stars are to be found everywhere in Galaxies and Globular clusters, the potential for Type 1 supernovae is universal. That said, obviously you would not expect to find White Dwarf stars in current star forming areas (because the dwarf forms at the end of a stars main sequence life). However Galactic rotation mixes old stars with new stars relatively quickly and this separation rapidly blurs.