Question: What Is The Biggest Galaxy?

What are the three largest galaxies?

Top 10 the Largest Galaxies in The Universe

  • Andromeda Galaxy’s mass is estimated to be around 1.76 times that of the Milky Way Galaxy.
  • The galaxy is filled with bright blue star clusters.
  • ESO 444-46 is a giant elliptical galaxy.
  • It is 212 million light-years (65 Mpc) from Earth.
  • found with the Hubble Space Telescope.

How old is IC 1101?

12.31 billion years

How big can a galaxy get?

It’s roughly 100,000 light-years across, or a quintillion kilometers. That’s a lot of kilometers. Don’t go bragging to your friends just yet though. It turns out spirals can get bigger.

What is a galaxy in the universe?

Milky Way Galaxy

What is the nearest galaxy to the Milky Way?

Andromeda galaxy

Is Milky Way the biggest galaxy?

Astronomers have crowned the universe’s largest known spiral galaxy, a spectacular behemoth five times bigger than our own Milky Way. The title-holder is now NGC 6872, a barred spiral found 212 million light-years away in the southern constellation Pavo, researchers announced today (Jan. 10).

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What is the oldest galaxy?

Today, NASA and the ESA announced that Hubble has seen the oldest galaxy ever spotted—and released a picture that lets people literally look back in time. The “new” galaxy is called GN-z11, and it’s located 13.4 billion light years away.

What’s the smallest galaxy?

Lightweight Galaxy Is the Smallest Ever Found. This image shows a standard prediction for the dark matter distribution within about 1 million light years of the Milky Way galaxy, which is expected to be swarming with thousands of small dark matter clumps called halos.

What is the largest black hole?

Astronomers have discovered what may be the most massive black hole ever known in a small galaxy about 250 million light-years from Earth, scientists say. The supermassive black hole has a mass equivalent to 17 billion suns and is located inside the galaxy NGC 1277 in the constellation Perseus.

What will happen to our galaxy in 4 billion years?

Four billion years from now, our galaxy, the Milky Way, will collide with our large spiraled neighbor, Andromeda. The galaxies as we know them will not survive. In fact, our solar system is going to outlive our galaxy. But even at that speed, they won’t meet for another four billion years.

What’s the size of our galaxy?

105,700 light years

Is the Milky Way a large galaxy compared to others?

It’s puny compared to M87, an elliptical galaxy 980,000 light years in diameter. The Milky Way is only 100,000 light years in diameter. Let’s not even get into Hercules A, which is 1.5 million light years across.

Do galaxies have planets?

Galaxies are categorized according to their visual morphology as elliptical, spiral, or irregular. Many galaxies are thought to have supermassive black holes at their centers. The Milky Way’s central black hole, known as Sagittarius A*, has a mass four million times greater than the Sun.

What is bigger than a universe?

The universe was already far too big to understand. But scientists just found that it’s actually much bigger than we’d previously thought. The observable universe is made up of at least two trillion galaxies, according to a new study. That’s 20 times more than had previously been thought.

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Is Earth a galaxy?

Location of Earth

Feature Diameter
Orion Arm 3000 pc (length)
Orbit of the Solar System 17,200 pc
Milky Way Galaxy 30,000 pc
Milky Way subgroup 840,500 pc

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Is it possible to go to another galaxy?

According to the current understanding of physics, an object within space-time cannot exceed the speed of light, which means an attempt to travel to any other galaxy would be a journey of millions of earth years via conventional flight.

What are the brightest objects in the universe?

Although quasars appear faint when viewed from Earth, they are visible from extreme distances, being the most luminous objects in the known universe. The brightest quasar in the sky is 3C 273 in the constellation of Virgo.

How far away is the Andromeda Galaxy?

2.537 million light years

What Galaxy has the most stars?

Closest galaxies

Rank Galaxy Notes
1 Milky Way Galaxy This is the galaxy containing the Sun and its Solar System, and therefore Earth.
2 Canis Major Dwarf
3 Virgo Stellar Stream
4 Sagittarius Dwarf Elliptical Galaxy

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How thick is our galaxy?

The Milky Way is the second-largest galaxy in the Local Group, with its stellar disk approximately 100,000 ly (30 kpc) in diameter and, on average, approximately 1,000 ly (0.3 kpc) thick.

How many galaxies are in the Bootes Void?

60 galaxies

What is a white hole NASA?

In general relativity, a white hole is a hypothetical region of spacetime which cannot be entered from the outside, although matter and light can escape from it. In this sense, it is the reverse of a black hole, which can only be entered from the outside and from which matter and light cannot escape.

What is the oldest black hole?

The related black hole of the quasar existed when the universe was about 690 million years old (about 5 percent of its currently known age of 13.80 billion years). The quasar comes from a time known as “the epoch of reionization”, when the universe emerged from its Dark Ages.

Can a black hole swallow a galaxy?

Black holes are a class of astronomical object that have undergone gravitational collapse, leaving behind spheroidal regions of space from which nothing can escape, not even light. Observational evidence indicates that nearly all large galaxies contain a supermassive black hole, located at the galaxy’s center.

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Is there life on Andromeda galaxy?

The number of stars contained in the Andromeda Galaxy is estimated at one trillion (1×1012), or roughly twice the number estimated for the Milky Way. The Milky Way and Andromeda galaxies are expected to collide in ~4.5 billion years, merging to form a giant elliptical galaxy or a large lenticular galaxy.

Is our galaxy colliding with another?

The Andromeda–Milky Way collision is a galactic collision predicted to occur in about 4.5 billion years between two galaxies in the Local Group—the Milky Way (which contains the Solar System and Earth) and the Andromeda Galaxy.

What is the black hole at the center of the Milky Way called?

The complex astronomical radio source Sagittarius A appears to be located almost exactly at the Galactic Center (approx. 18 hrs, −29 deg), and contains an intense compact radio source, Sagittarius A*, which coincides with a supermassive black hole at the center of the Milky Way.

Is our galaxy big?

52,850 light years

How old is the Milky Way?

13.51 billion years

How big is the universe?

The proper distance—the distance as would be measured at a specific time, including the present—between Earth and the edge of the observable universe is 46 billion light-years (14 billion parsecs), making the diameter of the observable universe about 93 billion light-years (28 billion parsecs).

How many stars does the Milky Way have?

250 billion ± 150 billion

Who owns Milky Way?


How wide is the universe?

The radius of the observable universe is therefore estimated to be about 46.5 billion light-years and its diameter about 28.5 gigaparsecs (93 billion light-years, 8.8×1023 kilometres or 5.5×1023 miles).

Photo in the article by “Wikimedia Commons”

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