How long would it take to travel to Stephenson 2-18?
How long would it take to travel to Stephenson 2-18?
Thats 20,000 light years away, meaning that if you flew at 617 million miles an hour, it would take you 20,000 years to get there.
How many Earths can fit into Stephenson 2-18?
Sun (our star) – About 1.3 million Earths can fit inside the sun. Stephenson 2-18 (the largest known Star) – About 8 million Suns can fit inside Stephenson 2-18.
What will happen when Stephenson 2-18 dies?
As Stephenson 2-18 continues to burn elements in it’s core, it will die eventually, giving it’s mass back to the Galaxy. This mass will create new stars and planets.
Is Stephenson 2/18 a black hole?
Stephenson 2-18 is a Red hypergiant Star that is in the constellation of Scutum within the Star cluster of Stephenson 2. It is 19,570 light-years away from the Earth, near the supermassive black hole named Sagittarius A*. It is the largest Star in the Galaxy.
What causes a hypernova?
A hypernova (alternatively called a collapsar) is a very energetic supernova thought to result from an extreme core-collapse scenario. In this case a massive star (>30 solar masses) collapses to form a rotating black hole emitting twin energetic jets and surrounded by an accretion disk.
What is the largest known star?
The largest known star in the universe, UY Scuti is a variable hypergiant with a radius around 1,700 times larger than the radius of the sun. To put that in perspective, the volume of almost 5 billion suns could fit inside a sphere the size of UY Scuti.
Which is the largest star in the universe?
Sun is the largest star in the universe.
What is the biggest star in the Milky Way?
Answer: The largest known star (in terms of mass and brightness) is called the Pistol Star. It is believed to be 100 times as massive as our Sun, and 10,000,000 times as bright! In 1990, a star named the Pistol Star was known to lie at the center of the Pistol Nebula in the Milky Way Galaxy.
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What is the smallest star ever discovered?
The smallest star ever recorded — one about the size of Saturn — has been discovered by a team of astronomers, according to a study released Tuesday. With the unwieldy name of EBLM J0555-57Ab, the star is located some 600 light-years away in our Milky Way galaxy.
How many galaxies are there?
The Hubble Deep Field, an extremely long exposure of a relatively empty part of the sky, provided evidence that there are about 125 billion (1.25×1011) galaxies in the observable universe.
What Blackhole is closest to Earth?
Gaia BH1 is the closest black hole to Earth that scientists have ever discovered. It is approximately three times closer to Earth than the previous record holder. By looking at the behavior of a star near the black hole, astronomers could determine the black hole was there, despite never seeing it directly.
Who is the biggest black hole in the universe?
The largest black hole ever found in the known universe is found in Ton 618. This is a hyper luminous Lyman-alpha blob that has a black hole that measures 6.6×1010 solar masses. It has a mass that equals about 66 billion times that of the Sun.
What is the biggest black hole on Earth?
What is worse than a supernova?
A hypernova — sometimes called a collapsar — is a particularly energetic core-collapse supernova. Scientists think a hypernova occurs when stars more than 30 times the mass of the Sun quickly collapse into a black hole. The resulting explosion is 10 to 100 times more powerful than a supernova.
Can a supernova destroy a galaxy?
Supernovas are created during the last moments of a star’s life. These gigantic explosions can wipe out galaxies and the planets inside them.
Can a hypernova destroy Earth?
If a supernova explosion were to occur within about 25 light-years of Earth, our planet would probably lose its atmosphere, and all life would perish. However, astronomers haven’t found any dangerous supernova candidates in our cosmic backyard, so there’s no reason to worry.
How long would it take to go 39 light-years?
We know that the TRAPPIST-1 system is 39 light-years away from Earth. That means that if we could travel at the speed of light, it would take 39 years to get there. According to Einstein’s theory of general relativity, nothing can travel faster than the speed of light.
How far would it take us to travel 4 light-years?
The nearest-known exoplanet is a small, probably rocky planet orbiting Proxima Centauri – the next star over from Earth. A little more than four light-years away, or 24 trillion miles. If an airline offered a flight there by jet, it would take 5 million years.
Is the Stephenson 2/18 is our galaxy?
| Stephenson 2 | |
|---|---|
| Constellation | Scutum |
| Right ascension | 18h 39m 21.12s |
| Declination | −06° 01′ 44.4″ |
| Distance | (5.83+1.91 −0.78kpc) |
| Stephenson 2 | |
|---|---|
| Constellation | Scutum |
| Right ascension | 18h 39m 21.12s |
| Declination | −06° 01′ 44.4″ |
| Distance | (5.83+1.91 −0.78kpc) |
How long would it take to get to the Sun by rocket?
At this speed, how many days would it take to travel to the sun from Earth, located at a distance of 149 million kilometers? Answer: Time = Distance/speed so Time = 149,000,000 km/ 28,000 = 5321 hours or 222 days.
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