how old is the milky way

The oldest star thats been observed in this galaxy was approximated to be about 13 Billion years old. Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. Once a white dwarf forms, it has no way to produce new energy, so it gradually cools. Welcome to a BRAND NEW SEASON of the DR. Binocs show. Log in. Hi KIDZ! The Milky Way is the galaxy in which our own planet and solar system resides. Milky Way Galaxy is approximately 13.7 billion years old, almost as the Universe itself. 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. 1 year ago. 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. Log in. 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. Relevance. 1. How old is the Milky Way Galaxy ? We really can’t say how old the Milky Way is. goring. Watch this video by Dr. Binocs and learn what exactly is a Milky Way. It’s actual age, however, depends on one’s definition of “age”. How old is 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. Each 'globular cluster' is very old and contains up to one million stars. It's puny compared to M87, an elliptical galaxy 980,000 light years in diameter. How can […] Astronomers have known that the Milky Way is among the oldest of galaxies. The Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or about 30 kpc) across. Answer Save. The Milky Way belongs to a cluster of at least 40 galaxies. The Milky Way is among the oldest of galaxies. The so-called Local Group has two large spiral galaxies – the Milky Way … How old is the Milky Way galaxy? 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 oldest stars in the Milky Way are 13.4 billion years, give or take 800 million years. How old is the Milky Way? 6 days ago... will align for spectacular heavenly sight Rice Univ. This is somewhat close to what the age of the Universe is (which hovers around 13.7 billion years). what a splendid series of podcasts you guys are producing, thanks, sp 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. Join now. It has a similar mass to the Milky Way. It's no secret that the Milky Way is big, but new research shows that it may be much bigger than we ever imagined. 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. The exact number is not known. Stars in the Milky Way Galaxy. « on: 18/03/2014 22:01:12 » If it is known, how do they know? The Milky Way Galaxy is an immense and very interesting place. How old is the Milky Way Galaxy? The milky way was estimated to be more than 13.2 billion years old in 2007 from a galxic star analysis. Spitzer Space Telescope's infrared cameras penetrate much of the dust, revealing the stars of the crowded galactic center region of our Milky Way. How old is the Milky Way - 16539572 1. 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.

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