A galaxy with all its mass concentrated at its center.
Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. ... its mass of 6.42 × 1023 kg concentrated at its centre. A rock of mass 1.40 kg rests on the surface of Mars. For this rock, (a) (i) determine its weight,The vast majority of the galaxy’s mass is concentrated in a tiny region in its center, with mostly empty space outside of that region. B. The highest concentration of mass is in the center of the galaxy, and it decreases with increasing distance from the center. CORRECT C. Expert Answer. Most of the light of our galaxy is concentrated at the center; if most of the MASS were concentrated there, too, then the gravitational force on stars far from the …
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Astronomers calculate that the mass present to induce those motions must be about ten times the mass they can see in the clusters, including all the galaxies and all the gas. Once again, this is evidence that the galaxy clusters are seen to be dominated by dark matter. Figure 3: X-Ray Image of a Galaxy Cluster.Assume that the sun is a typical star with a typical mass. If galactic matter is made up of stars, approximately how many stars are in the center of the galaxy?Department of Physics and Astronomy(c) Earth may be assumed to be an isolated sphere of radius 6.4 × 10 3 km with its mass of 6.0 × 10 24 kg concentrated at its centre. An object is projected vertically from the surface of the Earth so that it reaches an altitude of 1.3 × 10 4 km.
One of the largest spiral galaxies ever discovered is NGC 6872. It is around 522.000 light-years across from the tips of its outstretched arms. One of the oldest spiral galaxy to be discovered is the 11-billion-year-old A1689B11; The nearest spiral galaxy to the Milky Way is the Andromeda galaxy at a distance of 2.5 million light-years away.The electroweak force is a single force that unifies the electromagnetic and weak forces. 3. Inflation was a dramatic expansion of the universe thought to have occurred when the universe was only a tiny fraction of a second old. 4. Olbers' paradox forces us to think about why the sky is dark at night.The halo's greatest concentration is at its center, where the cumulative light of its stars becomes comparable to that of the disk stars. This region is called the (nuclear) bulge of the Galaxy; its spatial distribution is somewhat more flattened than the whole halo. The mass in the Milky Way extends even farther out, well beyond the boundary of the luminous stars to a distance of at least 200,000 light-years from the center of the Galaxy. This invisible mass has been give the name dark matter because it emits no light and cannot be seen with any telescope. Its composition is unknown, and it can be detected ...Textbook solution for Essential Cosmic Perspective, The, Books a la Carte Plus… 8th Edition Jeffrey O. Bennett Chapter 18 Problem 43EAP. We have step-by-step solutions for your textbooks written by Bartleby experts!
the Sun. The gravitational force holding a planet in its orbit therefore decreases with distance from the Sun, and a smaller force means a lower orbital speed. Orbital speeds must drop similarly with distance in any other astronomical system that has its mass concentrated at its center. FIgUrE 18.1 InTEraCTIVE FIgUrE Mar 30, 2002 · If the mass of the galaxy is concentrated toward its center, the interior stars move faster. (Just as the inner planets of the solar system move faster than the outer planets.) But if the mass of the galaxy is spread out, the orbital velocities of the stars can actually increase with radius, as illustrated below. Orbital speeds must drop similarly with distance in any other astronomical system that has its mass concentrated at its center. Figures shows how orbital speed depends on … ….
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$\begingroup$ Since the alpha particles rebounded in many of the cases it is certain that most of the positive charge was concentrated in a small volume. What puzzles me is how was it ascertained that that same region which contained the positive charge was also the one which carried most of the mass of the atom.A galaxy with all its mass concentrated at its center. orbital speed O 20 100 distance from center (thousands of light-years) orbital speed O 20 100 distance from center (thousands of light-years) orbital speed O 20 100 distance from center (... Show more... Show more Science Astronomy AST 102 Answer & Explanation Solved by verified expert
... center of the system, Mercury's orbital speed is much higher than Pluto's. Likewise, if most of a galaxy's mass is concentrated in its core (where most of ...For our calculation, then, we can assume that all the mass that lies inward of the Sun's position is concentrated at the center of the Galaxy, and that the Sun orbits that point from a distance of about 26,000 light-years. This is the sort of situation to which Kepler's third law (as modified by Newton) can be directly applied.Apr 11, 2022 · The mass in the Milky Way extends even farther out, well beyond the boundary of the luminous stars to a distance of at least 200,000 light-years from the center of the Galaxy. This invisible mass has been give the name dark matter because it emits no light and cannot be seen with any telescope. Its composition is unknown, and it can be detected ...
kansas state schools Study with Quizlet and memorize flashcards containing terms like A very small round ball is located near a large solid sphere of uniform density. The force that the large sphere exerts on the ball... a))) is approximately the same as it would be if all the mass of the sphere were concentrated at the center of the sphere. b))) is independent of the mass of the sphere. …How many stars? How many light years across? Disk, one hundred billion, 100000. A galaxy is a great cloud of what three things? Sgd combined together by? Stars gas and dust, the combined gravity of all matter. spiral arms on outside how far is our sun from the center? 28000 ly. A scale model or the solar system was out where we a scale? ogallala formationclustering writing A substantial part of the mass of the galaxy is not concentrated toward the center ... its history, before the gas has had time to disperse. The third ...1 Ağu 2023 ... ... of the mass of the universe ... Modified gravity struggles to provide a unified explanation across all these systems — galaxies, clusters of ... online master's in education administration The Milky Way is the galaxy that includes 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 … what is claiming exemptioncampana recaudar fondoszack bush Final answer. (25 pts.) A rotor consists of four horizontal blades, each of length L = 4 m and mass of 90 kg, mounted on a vertical shaft, as shown. Assume that each blade can be modeled as a particle with mass concentrated at its mid-point (its center of mass). The rotor is initially at rest when it is subject to a moment M = βt, with β = 60 ...The Milky Way Galaxy’s structure is fairly typical of a large spiral system. (Spiral galaxies and other types of galaxies are described in the article galaxy.)This structure can be viewed as consisting of six separate parts: (1) a nucleus, (2) a central bulge, (3) a disk (both a thin and a thick disk), (4) spiral arms, (5) a spherical component, and (6) a massive halo. peninsula ave new smyrna beach fl Answer all the questions in the spaces provided. 1 (a) The Earth may be considered to be a uniform sphere of radius 6.37 × 103 km with its mass of 5.98 × 10 24 kg concentrated at its centre. The Earth spins on its axis with a period of 24.0 hours. (i) A stone of mass 2.50 kg rests on the Earth’s surface at the Equator. 1. petersons college searchwho won the illinois game todaycaillou caillou on youtube Textbook solution for The Cosmic Perspective (8th Edition) 8th Edition Jeffrey O. Bennett Chapter 23 Problem 45EAP. We have step-by-step solutions for your textbooks written by Bartleby experts!