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Andromeda Galaxy

Andromeda Galaxy is the nearest galaxy to Milky Way Galaxy. Although no traces of life have been found, most of the stars and planets known to us are found here.

196 Questions

Are Sagittarius dwarf galaxy and Andromeda galaxy the same?

No, the Sagittarius Dwarf Galaxy and the Andromeda Galaxy are not the same. The Sagittarius Dwarf Galaxy is a small, irregular galaxy orbiting around the Milky Way, while the Andromeda Galaxy is a spiral galaxy located 2.537 million light-years away from the Milky Way.

How long would it take to get to Andromeda galaxy?

Traveling at the speed of light, it would take approximately 2.5 million years to reach the Andromeda galaxy, which is about 2.5 million light-years away from Earth. With current technology, it would take tens of thousands of years to reach Andromeda using conventional spacecraft.

Does Andromeda Galaxy Have Any Moons?

No, the Andromeda Galaxy does not have any moons. Moons typically orbit around planets, not around galaxies. The Andromeda Galaxy is a spiral galaxy similar to our Milky Way and contains billions of stars but no moons.

How big is the Andromeda Galaxy?

The Andromeda Galaxy or M31 has been estimated to be 220,000 light years across. Our Galaxy, The Milky Way, is about 100,000 light years across.

See link for more information.

The latest estimates for the diameter is about 43,000 ly across.

This is based on a 3.18 degree angle in the sky and a distance of 2.54 Mly.

A big caveat here that this is only the visible part of the galaxy. Since a galaxy must be made up of a substantial amount of dark matter the true size of the galaxy cant be determined at the moment.

How long would it take for a space shuttle to travel to the Andromeda galaxy?

The maximum speed achieved by the shuttle is 17,500mph

The Andromeda Galaxy is about 2.54 million light years away, which is about 1.5 x 1019 miles.

This gives a total time of 857,142,857,142,857 hours, which equates to about 97,700,000,000 years.

So about 98 billion years.

Don't forget to bring along a good book.

Is the Andromeda galaxy going to collide with the Milky Way?

Wait about 2.5 billion years and you'll find out.

Such collisions are relatively common - called an Intergalactic collision. The Andromeda Galaxy or M31 [See related link - Andromeda galaxy] is believed to have collided with at least one other galaxy in the past. It is possible, that our Solar System might be ejected from the new galaxy during the collision. Such an event would have no adverse effect on the system and chances of any sort of disturbance to the Sun or planets themselves are remote. [See related link - Milky Way Galaxy]

Because of the vast "empty" space between stars, the two galaxies will more than likely merge into an Elliptical Galaxy [See related link - Elliptical galaxy] without any undue effect to the Sun or Earth. [See related link - Galactic collisions]

What life is on Andromeda galaxy?

As of now, there is no confirmed evidence of life on the Andromeda galaxy. Scientists continue to search for signs of life in various galaxies, including Andromeda, through methods like studying exoplanets and analyzing the composition of celestial bodies.

How long does it take light to travel from the Sun to the Andromeda Galaxy?

The light from our Sun will take about 2.5 million years to reach the Andromeda Galaxy.

Why was the Andromeda galaxy named after Andromeda?

The Andromeda galaxy was named after the princess Andromeda from Greek mythology. The constellation Andromeda, in which the galaxy is found, is also named after her. It was named as such because of its proximity to the constellation and its association with the myth.

Why is the Andromeda galaxy visible to us?

For exactly the same reason that an LED, a flashlight, or a burning match is visible to you

if it's near enough to you.

Because the Andromeda galaxy contains a few light sources ... a few hundred billion stars ...

that are bright enough to be seen at the distance of the Andromeda galaxy.

Who discovered the Andromeda galaxy?

The earliest recorded observation of the Andromeda Galaxy was in 964 CE by the Persian astronomer, Abd al-Rahman al-Sufi (Azophi) who described it as a "small cloud" in his Book of Fixed Stars.

Other star charts of that period have it labeled as the Little Cloud. The first description of the object based on telescopic observation was given by Simon Marius in 1612. Charles Messier catalogued it as object M31 in 1764 and incorrectly credited Marius as the discoverer, unaware of Al Sufi's earlier work.

What is the size of the Andromeda galaxy?

I think it is very difficult to define size to a galaxy, as there is not real cut off point. Recent observations showed a "halo" of Stars around the Galaxy - a bit like suburbs to a city. Putting the size to 500,000 light years across. Current thoughts are that it is twice the size of our own Galaxy, so around 200,000 light years across.

Maybe someone else can contribute a more recent guesstimate.

How many miles per hour must a vessel reach in order to travel from the Andromeda galaxy to earth in one hour?

There are two answers to this. The first is if we ignore special relativity.

The Andromeda Galaxy is 2.5 million light years or about 14.8 sextillion miles away. So an object would have to travel at 14.8 quintillion miles per hour or 22 billion times the speed of light to get there in an hour. It is, of course, impossible to travel faster than the speed of light and therefore impossible to go to the Andromeda galaxy in less than 2.5 million years.

Now let's consider special relativity. The idea of a 2.5 million year trip only considers an outside observer. Time, however, slows down for an object approaching the speed of light so the time that goes by for the traveling object will be shorter. In order for the 2.5 million years to pass in an hour for the ship, it would have to travel at less than 1 inch per minute slower than the speed of light.

How long would it take to get to Andromeda Galaxy at 600 mph?

Assuming a constant speed of 600 mph, it would take approximately 17.6 trillion years to reach the Andromeda Galaxy, which is about 2.537 million light-years away from Earth. This calculation accounts for the vast distance and the limitations of current technology.

How many suns does Andromeda galaxy have?

The word "sun" is a unique name we give to the star in our solar system. But the word can be applied to any star that has planets orbiting it. However, it's really impossible to tell. We don't know exactly how many stars are in our own galaxy, let alone another galaxy. Did you know that hundreds of planets have been discovered outside of our solar system? ~Apple Juice

How far away is a star on the near side of the Andromeda galaxy from earth?

A star on the near side of the Andromeda galaxy is approximately 2.537 million light-years away from Earth. This distance is constantly changing due to the expansion of the universe.

How far is the Andromeda galaxy in meters?

The Andromeda galaxy is estimated to be over 2.7 million light years away. Light travels 299,792,458 meters per second. There are 31,536,000 seconds in one year. If 31,536,000 is multiplied by 2.7 million the answer is 8.51472 to the 13th power.

Is the Solar System is part of the Andromeda galaxy?

No, the Solar System is not part of the Andromeda galaxy. The Solar System is located within the Milky Way galaxy, while the Andromeda galaxy is a separate galaxy that is situated about 2.5 million light years away from us.

What is the difference between the Milky Way and the Andromeda galaxy?

The Milky Way is our home galaxy while the Andromeda galaxy is the closest spiral galaxy to the Milky Way. They both contain billions of stars, but the Andromeda galaxy is slightly larger in size compared to the Milky Way. Additionally, they are on a collision course and are expected to merge in about 4 billion years.

What is in the center of the Andromeda galaxy?

The center of the Andromeda galaxy is believed to contain a supermassive black hole, similar to the one found at the center of our own Milky Way galaxy. This black hole has a mass millions of times greater than our sun and plays a role in shaping the galaxy's dynamics.

What is the best time to see the Andromeda galaxy?

The Andromeda galaxy is best seen during autumn through winter in the northern hemisphere, when it is high in the sky and visible for longer periods of time. Look for it on clear, dark nights away from city lights for the best viewing experience.

Do people live in the Andromeda galaxy?

As of now, there is no evidence to suggest that people live in the Andromeda galaxy. The vast distance between our galaxy and Andromeda makes it currently impossible for humans to live there. However, there could potentially be extraterrestrial life forms in other parts of the galaxy.

Why is the light blue shifted in the Andromeda galaxy?

The light from the Andromeda galaxy is blue-shifted because the galaxy is moving towards us due to the effects of gravity and the expansion of the universe. This motion causes the wavelengths of light emitted by the galaxy to appear slightly compressed towards the blue end of the spectrum.

The Andromeda galaxy show is a blue shift in its spectra What does this tell us about its motion relative to the earth and the rest of the soloar system?

The blue shift in the spectrum of the Andromeda galaxy indicates that it is moving towards the Earth and the rest of the solar system. This is because the light waves from the galaxy are compressed as it moves closer, causing the wavelength to shift towards the blue end of the spectrum.