Why are most galaxies in the center of galaxy clusters “elliptical” and harbor only old stars, while their intracluster space is filled with extremely hot gas? Name three reasons.
Why are most galaxies in the center of galaxy clusters “elliptical” and harbor only old stars, while their intracluster...
Stars in elliptical galaxies move like the bulge or halo stars in spiral galaxies. a. Why can’t the rotation curve method to determine mass be used for elliptical galaxies? b. Masses of elliptical galaxies are often derived from their velocity dispersions. This part illustrates how a velocity dispersion can be determined: The intrinsic line-width of a K giant star might be 0.5 Å at a central wavelength λ0 = 5000 Å. Suppose an elliptical galaxy is observed which has a...
Which observation(s) is evidence that most of the stars, gas, and dust in our galaxy is in a thin disk? Select all that apply O Radio, X-ray,and gamma ray observations show gas in a band across the sky O Infrared observations show dust in a band across the sky O Individual stars appear in a band across the sky O Globular clusters appear in all directions on the sky Question 15 1pts Which observation(s) provide evidence that our galaxy formed...
Can you please answer these both questions?
Thank you!
1, 14pt] Math Clasification of the galaxy with the picture. (For each statement beow select in order the symb the picture.) 1) E3 2) Sa 3) SBe 4) EO 5) Sc 6) Irregular 7)SBa 2. [ipt] Indicate whether the following statemets are most true for elliptical or spiral galaxies. (Select S-Spi, E- Elliptical. If the fist is S and the rest E,enter SEEEEE) A) Contain abundant clouds of cool gas and...
choose correct answer. no explanation needed
QUESTION 10 How do astrophysicists account for neutrino emission from the Sun? Solar flares create neutrinos with very energetic magnetic fields. Convection releases neutrinos, which random walk through the radiation zone. Fission in the Sun's core creates neutrinos when protons turn into neutrons. The annihilation of positrons and electrons in the core produces neutrinos. Fusion in the Sun's core creates neutrinos when protons turn into neutrons, QUESTION 11 How does the interstellar medium impact...
The discovery of pulsars –rotating neutron stars that generate regular pulses of radiation at their spin rate- was fortuitous. A group of astrophysicists from Cambridge University lead by Anthony Hewish was looking for quasars (these are extremely bright, compact and remote objects that emit up to a thousand times as much light as our entire galaxy). For that purpose the research group designed a radio-telescope that was built on the flat fields surrounding Cambridge in central England. This telescope did...
Elmer and Mary Miller, both 35 years old, liv e with their five children in the main house on the family farmstead in one of th e largest Amish settlements in Indiana. Aaron and Annie Schlabach, aged 68 and 70, live in the attached grandparents’ cottage. Mary is the youngest of their ei ght children, and when she married, she and Elmer moved into the grandparents’ cottage with the intention that Elmer would take over the farm when Aaron wanted...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because women are more reproductively “valuable” than men, hence competition for mates is fiercer among men Because men invest more heavily in reproduction than women Because men secrete more testosterone Trivers’ theory does not speculate on the origin of the sex difference in size and physical aggression Although some women are interested in casual sex (short-term mating), research has suggested that there are differences in...
Can you answer only question 5and 6 Questions: 1. How could the promotion of UK Hoover have been better designed? Be as specific as you can. 2. Given the fiasco that did occur, how do you think Maytag should have responded? 3. Comment on the following statement: “Firing the three top executives of UK Hoover is unconscionable. It smacks of a vendetta against European managers by an American parent. After all, their only ‘crime’ was a promotion that was too...
Read the case and Summarizes the situation as you see it. Describes what Organizational Development is and its core values Good morning. Northern County Legal Services," Christina said. "How can I help you? Yes, I see. Okay, why don't I schedule a time for you to stop by and talk with one of us about your situation and we can see how we can help? I'm free on the 12th at 3:30 p.m. Does that work for you? Excellent. And...
In your judgement, and given only the facts described in this
case, should the management of Massey energy Company be held
morally responsible for the deaths of the 29 miners? Explain in
detail.
Suppose that nothing more is learned about the explosion other
than what is described in this case. Do you think Don Blankership
should be held morally responsible for the deaths of the 29 miners?
Explain in detail.
Given only the facts described in this case, should the...