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</html>";s:4:"text";s:21169:"By comparison, the diameter of the Milky Way's disk is approximately 100,000 light- years. It has a diameter of 100,000 lightyears. A) 100 millimeters B) 100 meters C) 1 kilometer D) 100 kilometers E) 1 million millimeters. The Milky Way The Milky Way The Milky Way is a continuous band of diffuse light. The Milky Way is only 100,000 light years in diameter. Assumed that their telescope could resolve all stars within the boundaries of the Milky Way. A century back in 1920, astronomers believed that all stars in the universe are held by the Milky Way. distances of the 6 nearest major galaxies to the Milky Way, and assume the Galaxy occupies a sphere of diameter half this average distance. D) 2 kpc. The spiral galaxy, which appears to the observer like a milky band in the night sky, consists of an estimated 100 to 400 billion stars and is about 13.6 billion years old. The finding is detailed in the Nov. 3 issue of the journal Nature.. Black kole or something else? It takes 250 million years for our Sun to pull us through one revolution around the center of the Milky Way. It lies on the far side of the galaxy from us and is heavily obscured by the intervening gas, dust and stars. The Milky Way has a diameter of about 170,000 or 200,000 light years, and is a barred spiral galaxy.The idea that the Milky Way is made of stars goes back to the Ancient Greek philosopher Democritus.. What you're seeing is a portion of the Milky Way, our home galaxy, which measures 100,000 light-years in diameter. That sounds huge, and it is, at least until we start comparing it to other galaxies. It is composed of 200 to 400 billion stars [1]. $18.00 for the Acrylic Stargate Blade Up until 1920, most astronomers believed that all of the stars in the universe were contained inside our home galaxy, The Milky Way. Sun was very close or at center of Galaxy The Milky Way is the galaxy that contains the Solar System where the planet Earth is located. The galaxy's bright, starry disk is about 120,000 light years in diameter, making it slightly larger than the Milky Way. It is classified as a barred spiral galaxy. The distance from the Earth to the center of the galaxy is 30,000 ly, and the orbital period of the Sun about the galactic center is 250 million years. There are about 4 hundred billion stars in the Milky Way, not including brown dwarfs. a. How does the diameter of the disk of Milky Way Galaxy compare to its thickness? Milky Way was so large, it was the entire universe spiral nebulae were gaseous clouds repelled by Milky Way's light pressure Curtis believed: diameter of our Galaxy was 30,000 light-years (10x smaller!) 1. irregular 2. elliptical 3. lenticular, S0 type 4. spiral Where is the solar system located in the Milky Way Galaxy? #80cm /diameter:2.6ft #100cm /diameter:3.3ft #120cm /diameter:4.0ft #150cm /diameter:5.0 ft ; Feature: Colorful Milky Way design with a subtle luminosity lend an air of fantasy to any environment. The Milky Way Size & Composition The stellar disk of the Milky Way Galaxy is approximately 100,000 ly (30 kpc) in diameter, and is, on average, about 1,000 ly (0.3 kpc) thick. What is the speed of the spaceship relative to the galaxy? D) 2 kpc. The Milky Way Galaxy is a barred spiral galaxy approximately 13.51 billion years old, 100,000 light years across and contains roughly 200 billion stars along with 100 billion planets. d. spectral analysis of Cepheid variables. The artist's concept also includes a new spiral arm, called the "Far-3 kiloparsec arm," discovered via a radio-telescope survey of gas in the Milky Way. galaxy (in one of the languages there is a page that has the same name as this page in another language); appearance of the Milky Way from Earth (map–territory relation) Also known as: The Andromeda galaxy is also called M31 or Messier 31 Type of object: Spiral galaxies Size: One trillion solar masses (each) Diameter: Milky Way: 105,700 light years | Andromeda: 220,000 light-years Did you know: The Andromeda galaxy is the closest large galaxy to our Milky Way. List Was $59.29 $ 59. 3.1 kpc. [7] The very center is marked by an intense radio source named Sagittarius A* which is likely to be a supermassive black hole . ... For comparison, the diameter of the Milky Way… The Milky Way is the galaxy that contains the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye. If we use 1 millimeter to represent 1 light-year, how large in diameter is the Milky Way Galaxy? Our home galaxy comprise of at least 200 billion other stars most of it are located in the disk where there's lots of gas and dust. The Milky Way Galaxy The major arms consist of the highest densities of both young and old stars; the minor arms are primarily filled with gas and pockets of star-forming activity. The Sun's location in the Milky Way Galaxy is _____. Using the data above in Table 1, make a plot of right ascension versus declination on your printed out Milky Way Globular Clusters Distribution Graph (Diagram 1-the top plot). As to the size of the galactic bulge that makes up the core of the galaxy, it's diameter is estimated at around 30,000 light years in the north-south direction. Most of the stars are in a disk that is about 100,000 light years across in diameter and 3000 light years thick. The spiral galaxy which the Sun and our solar system inhabit. Its diameter is at least 100,000 light-years, and may contain as many as 200 billions stars today. The Milky Way is a barred spiral galaxy 100,000 – 120,000 light-years in diameter containing 200 – 400 billion stars. The diameter of the Milky Way Galaxy is about 1. Answer: Assuming a diameter for the Milky Way galaxy of about 15 kpc, which is about 4.6×10^(17) km, and a diameter for the Earth of about 12756 km, the ratio of the diameter of the Milky Way galaxy to that of the Earth is about 3.6×10^(13). It is approximately 78000 light years away and about 10000 light years in diameter. Hubble easily resolves M104's rich system of globular clusters, estimated to be nearly 2,000 in number - 10 times as many as orbit our Milky Way galaxy. Write your answer in scientific notation, and round the coefficient to the nearest tenth. The distance from the Sun to the galactic center is about 27,700 light-years. You may also enjoy our other Stargate items. A helicopter blade spins at exactly 100 revolutions per minute. In essence, no stars were added to the Milky Way; its existing stellar populations are now just rearranged somewhat differently. A galaxy is a celestial object that is composed of interstellar dust and gases, stars and their remnants, and dark matter, that are held together by gravity. It appears to look like a milk band of light stretching across the sky. Custom engraving shows all the details including each unique symbol. Our home galaxy comprise of at least 200 billion other stars most of it are located in the disk where there's lots of gas and dust. The distance to the Andromeda galaxy, which is the spiral galaxy nearest to the Milky Way, is about 1.9E+6 ly. Question 82. B) 31 kpc. A Map of the Milky Way. The Milky Way, as it is known to human astronomers, is a barred spiral galaxy with a 110,000 light-year diameter. It contains billions of stars. The diameter of our disk-shaped galaxy, the Milky Way, is about 1.7E+5 light-years (ly). Currently, it is home to at least 60 sapient species along with more than 40 space-faring civilizations. 4. The Sun does not lie near the center of our Galaxy. This rug would be perfectly situated underneath your coffee table, … 1. irregular 2. elliptical 3. lenticular, S0 type 4. spiral Where is the solar system located in the Milky Way Galaxy? 29. The solar system is not in a galaxy but in the intergalactic space between galaxies. The Andromeda Galaxy, or M31, is the nearest large neighbor of our Milky Way, though it sits some 2.5 million light-years away. It extends to about 1800 light-years above and below the Figure 10.3 Components of the Milky Way. Lv 7. The Milky Way covers a much larger area and there is less of a defined outline to it. The mass of the Milky Way galaxy is most easily determined from. The stars in the halo are all population II stars, very old and containing few heavy elements. The diameter of the disk of the Milky Way ranges in diameter between 100,000 to 120,000 light-years, end to end. The galaxy's bulge. 2. The Sun does not lie near the center of our Galaxy. a. application of Newton's second law. 47. Source(s): https://shrink.im/a9gu1. In real life, the Milky Way is a barred spiral galaxy with a diameter between 150,000 and 200,000 light-years. The Milky Way Galaxy: The main composition of the galaxy is about 200 billion stars, gas, dust, and dark matter. How many times wider is the Milky Way galaxy than our solar system? Astronomers use this clue to figure out the distance to very distant stars. This is a picture of NGC 3184, a spiral galaxy similar to the Milky Way. A long photographic exposure will show a structure that's at least ten times the diameter of the bright fuzzy object that we conventionally see. --Stargate SG1 Clear The Milky Way Galaxy, more commonly known as the "Milky Way," or just "the galaxy," is the galaxy that Mankind calls home and in which the Imperium of Man and all of the other starfaring intelligent species known to Humanity are located. Our solar system is 1.18 × 1013 meters in diameter, and the Milky Way galaxy is 7.8 × 1020 meters in diameter. diameter of our solar system, 1 light year equals 811 times the diameter of our solar system. The Milky Way’s visible matter is made up of about 10-15% dust and gas. Globular clusters inhabit the halo. battery powered or USB. Its tip is 5.00 m from the center of rotation. On this scale, the nearest star, Proxima Centauri, is located 4.2 light years from Earth. The evidence for this picture is provided below. 9. The Andromeda galaxy is a spiral galaxy much like our own Milky Way galaxy but is approximately 2.5 million light-years away. If a scale model represents the Milky Way and Andromeda galaxies as dinner plates 26 cm in diameter, determine the distance between the centers of the two plates. The Milky Way covers a much larger area and there is less of a defined outline to it. What do we call the bright, sphere-shaped region of stars that occupies the central few thousand light-years of the Milky Way Galaxy? 4. Average Rating: (0.0) stars out of 5 stars Write a review. The Milky Way is approximately 100,000 light-years in diameter. The Sun's location in the Milky Way Galaxy is _____. The stellar outcast is already cruising in the Milky Way's distant outskirts, high above the galaxy's disk, about 200,000 light-years from the center. B) 31 kpc. It is the second-largest galaxy in the Local Group by size, and host to roughly 400 billion stars. ; A galaxy written in capital letter means our galaxy (i.e. The virial mass of the Andromeda Galaxy is of the same order of magnitude as that of the Milky Way, at 1 trillion solar masses (2.0 × 10 42 kilograms).The mass of either galaxy is difficult to estimate with any accuracy, but it was long thought that the Andromeda Galaxy is more massive than the Milky Way by a margin of some 25% to 50%. Median response time is 34 minutes and may be longer for new subjects. RA is along the x-axis and goes from 0 to 24 hours, Dec is on the y-axis and goes from +90 to 0 to –90 degrees.) A long photographic exposure will show a structure that's at least ten times the diameter of the bright fuzzy object that we conventionally see. Credit: N. … Assumed that stars are uniformly distributed through space, and do not extend beyond the edges of the Milky Way. The main disk of the Milky Way Galaxy is about 80,000 to 100,000 light-years in diameter, about 250,000 to 300,000 light-years in circumference, and outside the Galactic core, about 1,000 light-years in thickness. Explore answers and all related questions . Population I and population II stars appear in different regions. Our galaxy spans 1.9 million light-years, a new study finds In this image from the Fermi space telescope, the Milky Way's stellar disk, which runs … Our Milky Way Galaxy, which is approximately 100,000 light-years in diameter, may be getting even bigger, according to a study by the Instituto de … The band is thicker and brighter in one part of the sky and 180 o away it is thinner and fainter. The Milky Way is a barred spiral galaxy 100,000–120,000 light-years in diameter containing 200–400 billion stars. The distance from the center of the Milky Way to the center of the Andromeda galaxy is about 2.0 million ly. Approximating the Milky Way as a disk and using the density in the solar neighborhood, there are about 100 billion stars in the Milky Way. Below is a picture of a spiral galaxy. Diameter Of Milky Way. The Answer Our Milky Way galaxy is a pretty typical large galaxy. In terms of physical extent, the Andromeda Galaxy's disk diameter is well-measured, and spans 220,000 light-years across. Estimates for the diameter of the Milky Way galaxy range from 100,000 light years up to 120,000 light years. There are probably at least 100 billion planets in the Milky Way. Assume a galaxy is 'major' if its mass is greater than 50% of the Milky Way, otherwise minor. Facts About The Milky Way. The thickness of the galaxy ranges depending on … In the same way, he determined that the galaxy was 300,000 light-years in diameter and that the sun was located 50,000 light-years away from the center. By comparison, the diameter of the Milky Way's disk is approximately 100,000 light-years. Measuring the Milky Way If you look in any astronomy textbook, you'll find somewhere a diagram of the Milky Way Galaxy with dimensions: the disk of our galaxy is about the disk is about 40,000 parsecs = 40 kilo-parsecs = 40 kpc across, and the Sun is about 8,000 parcsec = 8 kpc from the center. The Milky Way and the Andromeda Galaxy are a binary system of giant spiral galaxies. and about 1,000 lightyears thick. He arrived at his size determination by establishing the spatial distribution of globular clusters. Our neighboring Andromeda galaxy, for example, is some 220,000 light-years wide. 1. The Milky Way is a barred spiral galaxy with a visible diameter between 150,000 and 200,000 light-years. The halo is about 100,000 parsecs in diameter, twice the diameter of the disk. 0 0? The nucleus of the Milky Way galaxy is composed primarily of. They assumed that they could see to the outer boundaries of the Milky Way in all directions. Globular clusters are … and about 1,000 lightyears thick. The Milky Way is orbited by two smaller galaxies and a number of dwarf galaxies in the Local Group. The first one is the sun while the other is the galactic center. They are densely packed into a spherical volume with a diameter over a thousand times smaller than the diameter of the Milky Way Galaxy. Counted stars along 683 lines of sight using their 20-foot long, 19-inch diameter telescope. Interestingly, even though the Milky Way’s diameter had grown by 100,000 light years in about a decade, it is still smaller than the Andromeda Galaxy, which measures 220,000 light years across from edge to edge. In essence, no stars were added to the Milky Way; its existing stellar populations are now just rearranged somewhat differently. The Largest Galaxy In the Known Universe: IC 1101 This massive galaxy is an estimated 6 million light-years in diameter. Generic. #80cm /diameter:2.6ft #100cm /diameter:3.3ft #120cm /diameter:4.0ft #150cm /diameter:5.0 ft ; Feature: Colorful Milky Way design with a subtle luminosity lend an air of fantasy to any environment. Shapley argued that the Milky Way was the entirety of the universe, and that “spiral nebulae” like Andromeda were part of our galaxy. It is a fairly typical barred spiral with four major arms in its disk, at least one spur, and a newly discovered outer arm. Astronomers daily study the Milky Way and make discoveries that help to form a common understanding about the structure of the cosmos. 47 $11.47 $ 11. Q 82 . 31 kpc. Think the Milky Way is big? The Milky Way is an averagely large galaxy with a diameter of 100 000 light years and about 200 billion to 400 billion stars; but compared to larger galaxies like M100, M 87, NGC 4921 or Hercules A, the Milky Way looks like a dwarf galaxy. But later it was discovered that the Milky Way is just a galaxy among billions of other galaxies in the Universe. By some estimates, the Andromeda Galaxy contains roughly one trillion stars. Here are links to each one! Our galaxy probably contains 100 to 400 billion stars, and is about 100,000 light-years across. Source(s): https://shrink.im/a9gu1. Together with their companion galaxies they form the Local Group, a group of some 50 closely bound galaxies. What is the speed of the spaceship relative to the galaxy? Multiple Choice . The band is tilted about 60 o with respect to the Celestial Equator. The Milky Way, as it is known to human astronomers, is a barred spiral galaxy with a 110,000 light-year diameter. The Milky Way is a barred spiral galaxy that is part of the Local Group of galaxies. Our sun and the solar system is only one of them. The diameter is a bit larger (120,000 light years) if you take into account tidal streams – basically other galaxies the Milky Way is eating, such as the Sagittarius Dwarf Elliptical Galaxy. The Milky Way Galaxy is a barrel spiral galaxy containing over 200 billion stars. Our Sun (a star) and all the planets around it are part of a galaxy known as the Milky Way Galaxy.A galaxy is a large group of stars, gas, and dust bound together by gravity.They come in a variety of shapes and sizes. The Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or about 30 kpc) across. The Milky Way is a large barred spiral galaxy comprising an estimated 200 billion stars (some estimates range as high as 400 billion) arrayed in the form of a disk, with a central elliptical bulge (some 12,000 light-years in diameter) of closely packed stars lying in the direction of Sagittarius. The largest galaxy we know of is called IC 1101 and has over 100 trillion stars. / Off World / Galaxy / IC 1101 / Milky Way The Milky Way galaxy is of most interest to astronomers, since it contains the solar system, where the earth is. Our Milky Way galaxy of stars is so huge that even at the speed of light it would take 100,000 years to travel across it! 100 kpc. Our home galaxy has a diameter of up to 200,000 light years. The Milky Way is an example of which type of galaxy? The name itself came from the ancient Greek galaxies kyklos, or ring of milk, due to its faint milky appearance. Astronomers have found the edge of our own galaxy, the Milky Way, using the movement of nearby galaxies to work out how large it is.. the galaxy's bulge. It has 100 billion stars and a diameter of 100,000 light years. The diameter of the Milky Way Galaxy has been measured to be about 100,000 light-years (1 lightyears about 9.5 x 1015 meters). About 10-15% of the Milky Way’s visible matter is made of dust and gas, with the rest being stars. It’s really dusty and gassy. Our Milky Way is a large spiral galaxy. 0 … 4. The Milky Way’s diameter is about 100,000 light-years, with the Sun orbiting about 27,000 light-years from the galactic center. This rug would be perfectly situated underneath your coffee table, … The diameter in the equatorial plane is estimated to be 40,000 light years. Since one light year is about 9.5 x 10 12 km, so the diameter of the Milky Way galaxy is about 9.5 x 10 17 km in diameter. If you look at Andromeda with the naked eye or even with a big scope, you only see the inner portion. The Milky Way is a spiral galaxy with four major arms containing young bright stars, gas, and dust. This agrees roughly with our current view of the Galaxy: the Milky Way has a diameter of 100,000 light-years, and the Sun lies 25,000 light-years away from the center, in the disk component. It is the second-largest galaxy in the Local Group by size, and host to roughly 400 billion stars. 9 years ago. A spaceship crossing the galaxy measures the galaxy's diameter to be a mere 1 ly. That makes it the most distant object regularly visible with the naked eye. Custom engraving shows all the details including each unique symbol. 3. 100 kpc. This "cosmic zoom lens" makes the Galactic Center have an importance for galaxy studies similar to the importance of the sun for stellar work. Mapping the Galaxy. 8 Diameter Stargate SG-1 clear acrylic LED lamp. The center of the Milky Way is located in the direction of the constellation Sagittarius, and the Sun is moving in its orbit towards the constellation Cygnus. The disk of the Milky Way Galaxy disk may actually be rippled. Our Milky Way galaxy is 100,000 ly in diameter. A long photographic exposure will show a structure that's at least ten times the diameter of the bright fuzzy object that we conventionally see. 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