What is so special about the Andromeda Galaxy?
Excluding the Large and Small Magellanic Clouds, visible from Earth’s Southern Hemisphere, the Andromeda galaxy is the brightest external galaxy you can see. At 2.5 million light-years, it’s the most distant thing most of us humans can see with the unaided eye.
Does Andromeda still exist?
Currently, Andromeda and the Milky Way are about 2.5 million light-years apart. Fueled by gravity, the two galaxies are hurtling toward one another at 402,000 kilometers per hour.
What is the biggest black hole known?
Ton 618
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. This supermassive black hole is some 18.2 billion light-years from Earth.
What does Andromeda look like?
The Andromeda Galaxy is the most distant object you can see with your naked eyes, two million light years away. It is visible as a dim, fuzzy star from a dark sky site. With binoculars you can clearly see the elliptical shape of the galaxy.
Who discovered the Andromeda Galaxy?
astronomer Edwin Powell Hubble
Only in the 1920s did the American astronomer Edwin Powell Hubble determine conclusively that the Andromeda was in fact a separate galaxy beyond the Milky Way.
Is Andromeda a cannibal?
Astronomers studying our next-door neighbor have discovered that the huge spiral galaxy has quite the cannibalistic past. On two separate occasions over the last 10 billion years, Andromeda has gobbled up smaller galaxies, but the way in which it devoured them has astronomers puzzled.
Are Pegasus and Andromeda connected?
The star Alpheratz is the brightest star in the famous star pattern known as the Great Square of Pegasus. Alpheratz connects Pegasus to the constellation Andromeda. People often find the Andromeda galaxy by star-hopping from Alpheratz—to Mirach and Mu Andromedae—to the galaxy.
What are the 5 incredible facts about the Andromeda Galaxy?
15 Interesting Andromeda Galaxy Facts
- Part of Local Group.
- Quick Facts.
- Visible from Late Summer to Winter.
- Find Using Cassiopeia or Pegasus.
- Named After the Andromeda Constellation.
- Once Believed to be a Nebula.
- Appears Six Times Size of Moon.
- One Trillion Suns.
How many planets does Andromeda have?
Does the Andromeda Galaxy have planets? There is currently only one very strong candidate planet in the Andromeda Galaxy, temporarily named PA-99-N2. It was detected because of a microlensing event in 1999.
Is Andromeda a goddess?
Andromeda, in Greek mythology, beautiful daughter of King Cepheus and Queen Cassiope of Joppa in Palestine (called Ethiopia) and wife of Perseus. Cassiope offended the Nereids by boasting that Andromeda was more beautiful than they, so in revenge Poseidon sent a sea monster to devastate Cepheus’ kingdom.
Is there life in Andromeda?
At that point, the sun will not yet be a red giant star – but it will have grown bright enough to roast Earth’s surface. Any life forms still there, though, will be treated to some pretty spectacular cosmic choreography. Currently, Andromeda and the Milky Way are about 2.5 million light-years apart.
Has anyone gone another galaxy?
The technology required to travel between galaxies is far beyond humanity’s present capabilities, and currently only the subject of speculation, hypothesis, and science fiction. However, theoretically speaking, there is nothing to conclusively indicate that intergalactic travel is impossible.
Does Andromeda have life?
Is andromedan real?
The Andromeda Galaxy (IPA: /ænˈdrɒmɪdə/), also known as Messier 31, M31, or NGC 224 and originally the Andromeda Nebula (see below), is a barred spiral galaxy with diameter of about 220,000 ly approximately 2.5 million light-years (770 kiloparsecs) from Earth and the nearest large galaxy to the Milky Way.
How did Andromeda get its name?
Its most notable feature is the great Andromeda Galaxy, one of the nearest galaxies to Earth and one of the few galaxies visible to the unaided eye. Andromeda is named after the princess of Ethiopia whom, according to Greek mythology, the hero Perseus saved from sacrifice to the sea monster Cetus.