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Milky Way Galaxy, large spiral system consisting of several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth. ... The Milky Way Galaxy in the night sky.
- What is inside the Milky Way?
- Where are we in the Milky Way?
- What is the dust in the Milky Way made of?
- What's inside a black hole?
- Do black holes swallow planets?
- Is the Milky Way really made of milk?
- Is there milk in the Milky Way galaxy?
- How much of our galaxy is hydrogen?
- Does the Milky Way ever end?
- Is there a black hole in Milky Way?
- Are we inside the Milky Way?
- Can a wormhole exist?
- Has anyone died black hole?
- Has anyone went to the black hole?
- What if Earth was eaten by a black hole?
- What if Earth was swallowed by a black hole?
- What if a black hole collided with a white hole?
What is inside the Milky Way?
The Milky Way may contain ten billion white dwarfs, a billion neutron stars, and a hundred million stellar black holes. Filling the space between the stars is a disk of gas and dust called the interstellar medium.
Where are we in the Milky Way?
We're about 26,000 light-years from the center of the galaxy, on the inner edge of the Orion-Cygnus Arm. It's sandwiched by two primary spiral arms, the Sagittarius and Perseus Arms.
What is the dust in the Milky Way made of?
How do you measure dust 11 billion light years away? The dust in galaxies consists of small grains of carbon, silicon, iron, aluminium and other heavier elements. The Milky Way has a very high content of carbonaceous dust, which has been shown to be very rare in other galaxies.
What's inside a black hole?
At the center of a black hole, it is often postulated there is something called a gravitational singularity, or singularity. This is where gravity and density are infinite and space-time extends into infinity. Just what the physics is like at this point in the black hole no-one can say for sure.
Do black holes swallow planets?
Answer: Black Holes swallow anything that gets trapped in its voracious gravitational pull. Stars, gas, dust, planets, moons, etc. can all be swallowed by a Black Hole.
Is the Milky Way really made of milk?
The ancient Romans called the band via lacteal, which means “milky road” or “milky way.” The band of light that you see isn't actually milk, of course—it's a galaxy. A galaxy is a huge bunch of stars clustered together in space.
Is there milk in the Milky Way galaxy?
Contained in the Milky Way are stars, clouds of dust and gas called nebulae, planets, and asteroids. Stars, dust, and gas fan out from the center of the Galaxy in long spiraling arms. ... The ancient Romans called it the Via Galactica, or "road made of milk". This is how our Galaxy became known as the Milky Way.
How much of our galaxy is hydrogen?
This interstellar gas makes up around 5 per cent of the Milky Way's mass. Around 70 per cent of the mass of the interstellar gas is hydrogen. Hydrogen is the lightest element of the periodic table, so although it accounts for less than half of the interstellar gas mass, nearly 9 out of every 10 gas atoms are hydrogen.
Does the Milky Way ever end?
After a spectacular series of close passes lasting billions of years – and which will distort the structure of both galaxies – a final merger of the Andromeda Galaxy and the Milky Way galaxy will occur about 10 billion years from now.
Is there a black hole in Milky Way?
Unexpectedly, at the heart of the little Leo I sits a black hole that is nearly as large as the one at the heart of the entire Milky Way, a new study found. The discovery defies expectations as astronomers believed giant black holes grow from collisions between galaxies and should correspond with the galaxy's size.
Are we inside the Milky Way?
Our Sun (a star) and all the planets around it are part of a galaxy known as the Milky Way Galaxy. ... All the stars we see in the night sky are in our own Milky Way Galaxy. Our galaxy is called the Milky Way because it appears as a milky band of light in the sky when you see it in a really dark area.
Can a wormhole exist?
In the early days of research on black holes, before they even had that name, physicists did not yet know if these bizarre objects existed in the real world. The original idea of a wormhole came from physicists Albert Einstein and Nathan Rosen. ...
Has anyone died black hole?
Time freezes at the event horizon and gravity becomes infinite at the singularity. The good news about massive black holes is that you could survive falling into one. Although their gravity is stronger, the stretching force is weaker than it would be with a small black hole and it would not kill you.
Has anyone went to the black hole?
But if you're going to try it, you need to know this one small catch. Scientists say humans could indeed enter a black hole to study it. Of course, the human in question couldn't report their findings—or ever come back.
What if Earth was eaten by a black hole?
If Earth got close enough, the side nearest to the black hole would begin stretching toward it. Our atmosphere would start to be vacuumed up. And then huge chunks of the Earth would rip apart and follow suit. If Earth managed to fall into the orbit of the black hole, we'd experience tidal heating.
What if Earth was swallowed by a black hole?
Will Earth be swallowed by a black hole? Absolutely not. While a black hole does have an immense gravitational field, they are only “dangerous” if you get very close to them. ... It would get very dark of course and very cold, but the black hole's gravity at our distance from it would not be a concern.
What if a black hole collided with a white hole?
The mass the white hole is expelling is also being turned into energy for the black hole. ... So if a white hole and black hole collided, we'd have a massive black hole roaming around the Universe, destroying everything in its path.
