7. What is the technical name for a star family that formed at the same time from a single cloud of gas? a) Nuclear family b) Galaxy c) Star Cluster d) Constellation
Q: 2. Explain the different mechanisms that power the internal heating of a giant star, a main sequence…
A: Question : Explain the different mechanisms that power the internal heating of a…
Q: Where does gold (the element) come from? A. It is produced during the supernova explosions of…
A:
Q: A solar-type star is seen with an apparent magnitude my = 30. Assuming that there is no extinction…
A: Given: Apparent Magnitude,mV=30Absolute Magnitude,AV=0.3 The distance modulus is a common technique…
Q: 4. Suppose we observe a binary star system in which one star is much more massive than the other and…
A: Mass of larger star are M = v2RGWhere v = 104m/sR = 1013mG = 6.67×10-11m3/kg.s2so M = (…
Q: bsorption lines produced by interstellar gas a. are wider than the lines from stars because the…
A: Introduction: The gas between stars is mostly hydrogen and helium scattered at varying densities…
Q: If the stars at the turnoff point of a cluster have a mass of 3 M, what is the age of the cluster?…
A:
Q: The last nuclear reaction in the core of massive stars that uses energy rather than producing energy…
A: When the Helium in the core of the massive stars exhausts, the evolution of stars is different from…
Q: Which of the following is wrong? A. Tidal effects in a binary star system become more important…
A: The following statements are correct: A. Tidal effects in a binary star system become more…
Q: mass–luminosity relation
A: The Answer to the above statement can be outlined as follows:-
Q: The chemical abundance of population I stars a. indicates that they were formed before the…
A: Population I star consist of sun and tend to be hot, young, luminous and focused in the spiral…
Q: Ideas of a content for a vlog which shows the star life cycle, thank you!
A: A star can go through either life cycle (a) if it is an average size star or life cycle (b) if it is…
Q: Brown dwarfs are ____. a. stars with a very thick dust sphere around them, so they appear “brown”…
A: Required : Correct option.
Q: Stars that contract the quickest to land on the zero-age main sequence on the H–R diagram a. are…
A: Zero Age Main Sequence (ZAMS) is the time when a star first joins the main sequence on the…
Q: A turnoff point corresponding to the oldest star cluster would occur at what spectral…
A: Turnoff point in HR diagram is the point where the star leaves the main sequence branch
Q: A star with an original mass of 9MSun undergoes an active period where it experiences mass loss via…
A: Given data: Mass of the star, Mstar=9Msun Time, t=1.1 million years = 1.1×106 years New mass,…
Q: 6. consist of relatively low-density ionized hydrogen. (a) HI regions (b) H Il regions (c) protostar…
A: The problem sare based on the concept of astronomy. To come to a solution we have to figure out what…
Q: Star clusters are important to our study of stars because a. all stars formed in star clusters.…
A: A star cluster is a group of stars that share a common origin and are gravitationally bound for some…
Q: The place on the H–R diagram where contracting protostars first become visible is a. the…
A: The place on the H–R diagram where contracting protostars first become visible is the birth line.
Q: The first stars to form in our galaxy a. had circular orbits. b. had highly elliptical…
A: Population 1 stars are the newer and younger stars.
Q: Based on what you know about main-sequence stars, select all of the correct statements from the…
A: Required : Correct statements .
Q: A group of 10 to 100 stars that formed at the same time but are so widely scattered in space their…
A: Before answering, We will discuss each of the given options. 1) Globular cluster - Globular…
Q: The oldest globular clusters are a. 3 to 4 billion years old. b. 6 to 7 billion years old.…
A: The oldest globular clusters is NGC 121 around 9 to 10 billion years old.
Q: Which of the following statements is wrong? A. A main-sequence star is cooler and brighter than it…
A:
Q: Which of the following types of data provide evidence that helps us understand the various stages of…
A: Low-mass stars use the proton-proton chain to fuse hydrogen to helium in their cores over billions…
Q: A cloud of dust and gas where a star begins to form: A. Stellar nebula B. Planetary nebula C.…
A: To determine a cloud of dust and gas where a star begins to form
Q: Match each statement with the appropriate item (If the first corresponds to B and the next 4 to C,…
A: (1) When a main sequence star runs out of hydrogen fuel, nuclear fusion ceases and the star starts…
Q: he triple-alpha process a. controls the pulsations in Cepheid variable stars. b. is the…
A: Introduction: The triple-alpha process is a set of nuclear fusion reactions by which three helium-4…
Q: The oldest open clusters are a. 3 to 4 billion years old. b. 6 to 7 billion years old. c. 9…
A: Determine to age of oldest open clusters
Q: A. Halo stars formed in a different way from disk stars. B. Planets around stars are known to be…
A: Yes the answer in my opinion the answer is option c.
Q: Match each characteristic below of a one-solar-mass star to its appropriate phase. Answer M for…
A:
Q: The theory that the collapse of a massive star’s iron core produces neutrinos was supported by a.…
A: The theory that the collapse of a massive star’s iron core produces neutrinos was supported by the…
Q: Match each statement with the appropriate item (if the first corresponds to B and the next 4 to C,…
A:
Q: Which of the following statements about various stages of core nuclear burning (hydrogen, helium,…
A: Consider the different stages of core nuclear burning ( hydrogen, helium, carbon, etc ) in a…
Q: The diagram below shows an H-R diagram with life track of a 1-solar-mass star, with various stages…
A: Given HR diagram: As we know that a star that has mass of a sun (1 solar mass) will not be able to…
Q: Which of the following binary star systems cannot exist? A. A 1 solar-mass main sequence star and a…
A:
Step by step
Solved in 2 steps
