State three differences between the elliptic galaxy and the spiral galaxy.
Q: The hydrogen Balmer line has a wavelength of 486.1 nm. It is shifted to 552 nm in a galaxy's…
A: The red shift of hydrogen is, 1+z=λ2λ1z=552486.1-1 =0.1356
Q: You observe a faint galaxy and find that a spectral line normally found in the visible part of the…
A: The wavelength at which we see absorption lines are unique in themselves. This was used by…
Q: 21-centimeter radiation observations of the galaxy reveal a. the location of neutral hydrogen…
A: Correct Option is "a"
Q: If a galaxy contains a supernova that at its brightest has an apparent magnitude of +15, how far…
A: Given The apparent magnitude of the supernova, mv =+15The absolute magnitude of the supernova, Mv…
Q: solar masses. (Hint: Use the formula for circular velocity, V. = VS"; make sure you convert relevant…
A: Given Data: The orbital velocity of a globular cluster is, ve=417 km/s The distance from the centre…
Q: If a galaxy contains a supernova that at its brightest has an apparent magnitude of +15, how far…
A: The magnitude-distance formula be defined as, d=10mV-MV+55 Where, MV be defined as the absolute…
Q: If a galaxy has an apparent radial velocity of 4000 km/s and the Hubble constant is 70 km/s/Mpc, how…
A: Hubble's law states that galaxies move away from Earth with a velocity proportional to their…
Q: If you find a galaxy that contains globular clusters that are 2" in diameter, how far away is the…
A: Given Data The diameter of cluster is:D=25 pc=7.714×1017 m The globular cluster is:θarcsecond=2…
Q: a huge system of stats that has hundreds of millions to hundred of billions of stars that id…
A: In space hundreds of millions of stars Steller objects, dust , gas etc combine together a huge…
Q: The Virgo galaxy Cluster Much smaller than the Local Group. Contains 35 galaxies.…
A: the Virgo cluster forms the heart of the larger Virgo supercluster that comprises approximately…
Q: Describe the cluster method for measuring a galaxy’s mass.
A: Cluster Method (or) Lensing cluster Mass Estimation: We know that the gravitational lensing is one…
Q: Spiral Galaxy with 3 differences each and 2 similarities.
A:
Q: Among the globular clusters orbiting a distant galaxy, one is moving at 534 km/s and is located 14…
A: Given data: Speed of the globular clusters around the galaxy is, v= 534 km/s= 534000 m/s Distance of…
Q: If a very distant galaxy looks overall "blue" to astronomers, from this they can conclude that: O…
A: A region with many young stars appears blue in color. High-mass stars live fast and die young, using…
Q: Basic properties of galaxies (morphology, classification scheme, constituents)
A: There many basic properties of the galaxies like Hubble type, size, color, brightness, and so on.…
Q: If an O-type star and our galaxy were at the same distance, which would have a greater magnitude? a)…
A: Given: The O-type star and our galaxy at same distance. The apparent magnitude decreases with the…
Q: Which of these astronomical objects is the largest? O a star O a spiral galaxy O a planet O a solar…
A: The size of an astronomical object is as below in increasing order. Planet< Star< Solar…
Q: 8. If a galaxy has an apparent radial velocity of 2000 km/s and the Hubble constant is 72 km/s/Mpc,…
A: Using Hubble's law we can solve this
Q: What kinds of objects lie in the halo of a spiral galaxy?
A: Given :- Spiral galaxy and what kinds of objects lie in the halo of it.
Q: If a galaxy contains a supernova that at its brightest has an apparent magnitude of +12, how far…
A: Given:The apparent magnitude of the supernova,mv=12Theabsolute magnitude of the supernova,Mv=-17Find…
Q: There exists an element visible in the spectrum of galaxies that shows the following spectra when…
A: Introduction: The Doppler effect refers to the apparent shift in the wavelength of a wave when there…
Q: If active core of a galaxy contains a black hole of 10^6 M, what will the orbital period be for…
A:
Q: Briefly discuss and compare the three general types of galaxies.
A: We need to discuss and compare the three general types of galaxies.
Q: A giant structure with billions of stars and sometimes gas and dust is called a O galaxy O star…
A: Galaxy
Q: If a galaxy has an apparent radial velocity of 2,319 km/s and the Hubble constant is 70 km/s/Mpc,…
A:
Q: ring galaxies often have nearby companions. What does that suggest?
A: The origin of ring galaxies is often debated. Some scientists believe that ring galaxies have formed…
Q: 3 Billion Light-years 2 Billion 2 Billion Light-years Light-years 2.5 Billion 2.5 Billion…
A: Introduction: Hubble's law is the observation that galaxies are moving away from the Earth at speeds…
Q: How do galaxies form?
A: Two leading theories describe how the first galaxies were created. One says galaxies were born when…
Q: The Andromeda Galaxy is 2 million light years away from the Milky Way. How far away is the…
A: A light year is the distance travelled by the light in a year
Q: why does the galaxy shown below have so much dust in its disk? How big do you suppose the halo of…
A: A halo is an extended, almost spherical component of a galaxy which extends beyond the main, visible…
Q: A star at a distance of 50000 light years from the center of a galaxy has an orbital speed of 100…
A: Distance of the star from the center of the galaxy, r = 50000 ly The orbital speed of the star, v =…
Q: Is the NGC 4440 galaxy observable from the Calar Alto Observatory?
A: Calar Alto Observatory Calar Alto, a 2,168-meter-high (7,113-foot) mountain in the Sierra de Los…
Q: From the lists below, choose the one that best ranks the following astronomical objects from closest…
A: The distance of the Jupiter from the Earth,
Q: If astronomers were to find they have made a mistake and our solar system is actually 7.8 (rather…
A: Let m be defined as the mass of the sun, and M be defined as the mass of the galaxy. Since the sun…
Q: On a rotation curve you notice two points, A and B. Point B is twice as far from the center of the…
A: Given information: Point B is twice as far from the center of the galaxy as point A. Let "ra" be the…
Q: how far away is the galaxy
A:
Q: Assume that an average globular cluster is 25 pc in diameter. If you observe a galaxy that contains…
A: For the small angle, the approximation is, sin θ≅ tan θ ≅ θIf the angle θ is expressed in…
Q: What is at the center of the Milky Way Galaxy?
A: Required: What is at the center of the Milky Way Galaxy?
Q: Which of these astronomical objects is the largest? O a star O a spiral galaxy O a planet O a solar…
A: A olar system is collection of stars , plnets asteroids etc.and is therfore bigger than star and…
Q: Express the number of stars in a typical galaxy in scientific notation
A: The galaxy is a collection of stars, dark matter, dust, etc. There are a huge number of stars…
Q: What evidence has been found that suggests a black hole at the center of our galaxy?
A: The centre of every galaxy is a matter of great curiosity for astronomers. Blackhole is the object…
Q: what evidence is there that galaxies collide and merge?
A: The delicate distribution of matter in the galaxies causes the galaxies to collide and is said as…
Q: If the active core of a galaxy contains a black hole of 106 Me, what will the orbital period be for…
A: The problem is based upon the concept of the circular velocity of an object. In physics, we define…
State three differences between the elliptic galaxy and the spiral galaxy.
Step by step
Solved in 2 steps
