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Transcribed image text: What evidence supports the conclusion that the Milky Way is a spiral galaxy? O We see an even distribution of stars in all directions. O We see the spiral arms of our galaxy. We see a blob of bright stars in one direction and an even distribution of stars everywhere else. O We see a bright band of stars across the sky.
Consider a spiral galaxy that is moving directly away from Earth with a speed V = 3. 2 4 0 \ times 1 0 ^ 5 at its center, as shown in Figure 2 5-4 0 . The galaxy is also rotating about its center, such that points in its spiral arms are moving with a speed v = 5. 7 5 0 \ times 1 0 ^ 5 m / s relative to the center.
A) A galaxy with an elliptical outline and a smooth distribution of brightness (no spiral arms). B) A spiral galaxy seen from an angle, giving it an elliptical profile. C) A spiral galaxy with an elliptically shaped nuclear bulge and the spiral arms starting from the ends of the ellipse. D) Any galaxy with an elliptical halo
Earth Sciences questions and answers. 7. Spiral Galaxy - M51. This image is of a spiral galaxy (M51) that resembles what our Milky Way might look like if viewed from outside the galaxy Note how the curved spiral arms develop around the more quickly rotating central cluster of stars. Looking at the spiral arms from this viewpoint, in what ...
Advanced Physics. Advanced Physics questions and answers. 1. What is the major difference between an elliptical galaxy and a spiral galaxy? (A) A spiral galaxy contains mostly younger stars. (B) A spiral galaxy has a spherical halo. (C) An elliptical galaxy lacks a disk component. (D) Elliptical galaxies are not as big as spiral galaxies.
Consider a distant spiral galaxy that has a rotation curve given by thecircular velocity function Θ (R), where R is the radial distance out from itscenter. The plane of the galaxy is perpendicular to an axis that is inclinedat an angle i to the plane of the sky. Assume that the stars at a radius Rorbit the galactic center with ...
These images are of the spiral galaxy M33, showing four different wavelength ranges. Which image shows you most directly where stars of all masses are?OpticalInfraredFar-infraredUltraviolet. Your solution’s ready to go! Enhanced with AI, our expert help has broken down your problem into an easy-to-learn solution you can count on. See ...
Rank the following steps in the formation of a spiral galaxy in chronological order. The first stars form the galactic halo Angular momentum causes the cloud to form into a disk Spiral arms induce further star formation. Density waves begin to form spiral arms Hydrogen and helium gas fill an overdense region of the early universe A cloud begins ...
Earth Sciences questions and answers. Below is a picture of a spiral galaxy similar to our Milky Way galaxy. The Sun and four other stars, labelled A – D, are shown. In this image, the end-to-end distance of the galaxy represents about 100,000 ly.Question 8 (1 point) Using the scale in the image where the end-to-end distance is ...
Rank the following described steps of the formation of a spiral galaxy, in the order that our models predict that they happened, from very early in the universe to maybe a billion or more years later.Rank stages of spiral galaxy (4 items) (Drag and drop into the appropriate area) Dark matter collapse stopped; normal matter continued to cool and shrink.Normal matter continued its collapse ...