Which Is The Largest Galaxy?

How old is the youngest star?

The youngest stars that we see are at least 7 billion years old, which is older than some previous studies had suggested.”.

Which galaxy is the biggest?

IC 1101The Biggest of the Big Located almost a billion light-years away, IC 1101 is the single largest galaxy that has ever been found in the observable universe.

What is the largest object in the universe?

List of the largest cosmic structuresStructure name (year discovered)Maximum dimension (in light-years)NotesVirgo Supercluster110,000,000Part of the Laniakea Supercluster (see above). It also contains the Milky Way Galaxy, which contains Solar System where the Earth orbits the Sun. Reported for reference44 more rows

What is the oldest thing in the universe?

Astronomers have confirmed the discovery of one the oldest and most distant objects ever known in the universe — a star-forming galaxy 12.8 billion light-years away that started forming within a billion years of the Big Bang that kickstarted everything.

What’s the heaviest thing on earth?

In terms of actual weight, the heaviest object ever directly weighed, according to Guinness World Records, is the revolving service structure of the launch pad at the Kennedy Space Center in Florida, clocking in at 4.86 million pounds.

What is the coldest thing in the universe?

Boomerang NebulaAstronomers say the Boomerang Nebula is the coldest known object in the universe. They’ve learned that its temperature is one degree Kelvin (minus 458 degrees Fahrenheit).

Which is the second largest galaxy in the universe?

IC 1101 is a supergiant elliptical galaxy at the center of the Abell 2029 galaxy cluster and is one of the largest known galaxies….IC 1101June 1995 image of IC 1101 taken by the Hubble Space TelescopeObservation data (J2000 epoch)ConstellationVirgoRight ascension15h 10m 56.1s14 more rows

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. … Currently, Andromeda and the Milky Way are about 2.5 million light-years apart.

Which is biggest galaxy or universe?

The Milky Way is big, but some galaxies, like our Andromeda Galaxy neighbor, are much larger. The universe is all of the galaxies – billions of them!

How many suns are in universe?

For many years scientists have studied our own solar system. But until the last few years, we knew of no other solar systems. This may seem surprising, as the Sun is one of about 200 billion stars (or perhaps more) just in the Milky Way galaxy alone.

What is the most powerful thing in the universe?

These explosions generate beams of high-energy radiation, called gamma-ray bursts (GRBs), which are considered by astronomers to be the most powerful thing in the universe.

Which is bigger sun or star?

The largest known star in the universe is UY Scuti, a hypergiant with a radius around 1,700 times larger than the sun.

What is outside the universe?

[+] In our own backyard, the Universe is full of stars. But go more than about 100,000 light years away, and you’ve left the Milky Way behind. Beyond that, there’s a sea of galaxies: perhaps two trillion in total contained in our observable Universe.

Which is the smallest galaxy?

The globular cluster Messier 75, showing a huge central concentration, is over 13 billion years old…. [+] With no more than 1000 stars apiece, spread out over just a few light-years in space, they’re the most extreme galaxies known today. Dwarf galaxy NGC 5477 is one of many irregular dwarf galaxies.

What is the smallest thing in the universe?

Though once thought to be fundamental particles on their own, in 1968 physicists found that protons and neutrons are actually made of quarks, which are indivisible. A proton contains two “up” quarks and one “down” quark. A neutron contains two down quarks and one up.

What is the most dangerous thing in the universe?

neutron stars are the densest things that are not black holes in there cause we might find the most dangerous substance in existence strange. matter a bizarre. thing so extreme that it bends the rules of the universe. and could infect and destroy everything it comes into contact with.

What is the oldest galaxy in the universe?

GN-z11GN-z11 is currently the oldest and most distant known galaxy in the observable universe.

Is the Milky Way smaller than most galaxies?

Size and mass 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. The Milky Way is approximately 890 billion times the mass of the Sun.