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The milky way was estimated to be more than 13.2 billion years old in 2007 from a galxic star analysis. The sun is approximately 4.5 billion years hence much younger than the milky way Hi KIDZ! It’s actual age, however, depends on one’s definition of “age”. Answered How old is the Milky Way 2 See answers HEEEEEEYY was it right?? Watch this video by Dr. Binocs and learn what exactly is a Milky Way. Stars in the Milky Way Galaxy. The oldest star thats been observed in this galaxy was approximated to be about 13 Billion years old. The so-called Local Group has two large spiral galaxies – the Milky Way … Another clue comes when astronomers map young, bright stars and clouds of ionized hydrogen in the Milky Way's disk. Outside the main spiral are about 200 ball-shaped clusters of stars. From this, they have revised the official estimates on the age of the Milky Way's thick disk, which they conclude is around 10 billion years old. THE SUPERMASSIVE black hole at the centre of the Milky Way exploded 3.5million years ago, according to astronomers. Not bad for a mid-size galaxy! How old is the Milky Way - 16539572 1. The Milky Way belongs to a cluster of at least 40 galaxies. The milky way galaxy is 120,000Ly in diameter, so definitely older than 120,000 years. Join now. The Milky Way by a long way. Lv 6. The Milky Way is only 100,000 light years in diameter. Welcome to a BRAND NEW SEASON of the DR. Binocs show. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth. The cooler the white dwarfs in a globular cluster, the older it is. Once a white dwarf forms, it has no way to produce new energy, so it gradually cools. How old is the Milky Way galaxy? The study which describes their findings – titled "The K2-HERMES Survey: age and metallicity of the thick disc" – recently appeared in the Monthly Notices of the Royal Astronomical Society. The radius of the Milky Way is estimated to be around 52.850 light-years. This glow results from a vast sea of cosmic-ray particles slamming into interstellar gas and dust, generating gamma rays. Answer Save. And, even more stunningly, it has a galactic bulge , the tightly packed concentration of stars found in the middle of most spiral galaxies. Spitzer Space Telescope's infrared cameras penetrate much of the dust, revealing the stars of the crowded galactic center region of our Milky Way. The exact number is not known. That’s one way of looking into the past, but in our case we simply look for stars that are already very old—and that’s why we call it stellar archaeology. How old is the Milky Way? One of these is our Sun, which looks huge to us here on the ground, but is not even one of the biggest in the Milky Way. When did the first stars in our galaxy ignite ? The Milky Way Galaxy is an immense and very interesting place. It's no secret that the Milky Way is big, but new research shows that it may be much bigger than we ever imagined. Log in. 9 Answers. 141 thoughts on “ The Elusive Milky Way – How to Find It! I grew up all over in California and especially Northern California, where, in the 90’s we had an amazing view of the Milky Way visiting family up by Paradise. How old is the Milky Way? The new observations suggest it was indeed one of the first to get under construction. The Sun does not lie near the center of our Galaxy. How old is the Milky Way Galaxy ? Join now. These clouds, called HII regions, are ionized by young, hot stars and are basically free protons and electrons.These are both important marker of spiral arms in other spiral galaxies we see, so mapping them in our own galaxy can give a clue about the spiral nature of the Milky Way. Look out on a clear night, and with no light pollution, and billions of stars form a band of light, which in antiquity was given the name Galaxias by the Ancient Greeks, and Via lactea by educated Romans, both of which have the root in the word “milk”. Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. 1 year ago. Ask your question. what a splendid series of podcasts you guys are producing, thanks, sp The age is determined by taking the age of the stars in the Milky Way. The Milky Way is about 13.2 billion years old, whereas the Solar System is a mere 4.6 billion years old. « on: 18/03/2014 22:01:12 » If it is known, how do they know? The Milky Way is the galaxy in which our own planet and solar system resides. The milky way consists of 2 x 10^4 kilo of mass.Using the ratio of the mass of the sun will yield 1 trillion average stars.Using the mass of the Universe … Think the Milky Way is big? The Milky Way is believed to be around 12 billion years old. JBC September 5, 2019 at 10:04 pm. How can […] Log in. jaz33jr 05/20/2020 Geography High School +5 pts. How old is the Milky Way ? Astronomers have known that the Milky Way is among the oldest of galaxies. We really can’t say how old the Milky Way is. Milky Way Galaxy is approximately 13.7 billion years old, almost as the Universe itself. The Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or about 30 kpc) across. 6 days ago... will align for spectacular heavenly sight Rice Univ. Each 'globular cluster' is very old and contains up to one million stars. We don’t know exactly, but we know it’s over 200 billion. It has a similar mass to the Milky Way. If you are still unsure, our galaxy is called the ‘Milky Way’ The Milky Way galaxy is a disc shaped spiral galaxy with a huge collection of stars, about 100-400 billion. 1. Old stars were expected to move at an angle to the Galactic disc, while only younger stars - like the Sun - were though to be stuck inside the disc swirling around the Milky Way. - 2811602 johnwickph2011 is waiting for your help. How old is the Milky Way Galaxy? It lies about 8 kpc from the center on what is known as the Orion Arm of the Milky Way. 13.51 billion years How old is the Milky Way compared to the universe? goring. The oldest stars in the Milky Way are 13.4 billion years, give or take 800 million years. The mass of the Milky Way is believed to be around 100 billion times that of the Sun, which would translate to the fact that our galaxy might have around 100-400 billion stars. Add your answer and earn points. Wow. The Milky Way is among the oldest of galaxies. A proper understanding of the formation and evolution of the Milky Way system is crucial for our knowledge of the Universe. But compared to other galaxies and star clusters The Milky Way is small. The Milky Way contains between 100 and 400 billion stars. It's puny compared to M87, an elliptical galaxy 980,000 light years in diameter. The Milky Way contains at least 100 billion stars and may have up to 400 billion stars. Milky Way Galaxy Not counting transient events such as gamma-ray bursts, the brightest object in the gamma-ray sky is the plane of our Milky Way Galaxy. Not only does it measure some 120,000–180,000 light-years in diameter, it is home to planet Earth, the birthplace of humanity. This is somewhat close to what the age of the Universe is (which hovers around 13.7 billion years). But what we can say is it is going to cease being the Milky Way in somewhere between five and seven billion years from now when it merges with the Andromeda Galaxy. Our sun is the nearest of the 600 billion stars in this galaxy, is about 4.56 Billion years old so the milky ways probably older than that too. It turns out that the oldest of the globular clusters surrounding our galaxy are about 13 billion years old, which means the Milky Way must be at least that old. Hi, I live in Arizona and my husband and I take many drives out of the Phoenix valley with our kids to escape the heat. Relevance.
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