Astronomers recently claimed to have discovered the most distant galaxy known. How would they have determined the distance?
Q: 1. Quasar F (for Far) has the same luminosity as Quasar N (for Near), But F is 10 times further…
A: The relation between luminosity and brightness is given as L = I/d2 where I is apparent brightness…
Q: Where is the bulk of the mass concentrated in the region depicted here? 133 Anten Milky Way.. SMC…
A: The above pic is the pic of the local group, which consists of The Milky Way The Andromeda…
Q: The sun is about 8 kpc from the center of the galaxy. A kpc or kiloparsec is equal to a. 10…
A: A kpc or kiloparsec is equal to the 1000 parcec Here, In the option this value is not given
Q: Current evidence suggests that the universe is a. flat, infinite, and neither expanding nor…
A: To determine: The correct option.
Q: If galaxy A is three times more distant than galaxy B, then according to the Hubble law, galaxy A…
A: According to Hubble's law, the recession velocity is proportional to the proper distance of the…
Q: Which of the following events in the early universe likely came first? a. Formation of the…
A: Answer: (b) Big Bang Nucleosynthesis
Q: What is formed when there is a fusion of two deuterium nuclei in big bang nucleosynthesis? 2. What…
A:
Q: Our galaxy is suspected to be surrounded by a galactic corona because the disk of the galaxy a.…
A: Introduction: A galactic corona is used to describe a hot, ionized, gaseous component in the…
Q: Where did the elements heavier than hydrogen and helium come from?
A: Hydrogen and helium emerged from the Big Bang about 13.8 billion years ago. Other elements were…
Q: The approximate diameter of the disk of the Milky Way is a. 8.0 A.U. b. 8.0 light-years. c.…
A: To determine diameter of the disk of the milky way
Q: What started the clumping of matter in the early universe that eventually became the seeds of…
A: The force that is carried by the field of virtual astronomical particles in the quantum field is…
Q: Describe the distribution of globular clusters within the galaxy, and explain what that implies…
A: The distribution of globular clusters within the galaxy, and explain what that implies about the…
Q: Which of these is about 100,000 light-years in diamete A The Solar System (B) The Andromeda Star The…
A: we have to tell the correct options from the given options.
Q: The observable universe I. is the entire universe. II. is the part of the universe we can see.…
A: Answer d. II and IV
Q: In which portion of the spectrum is the core of the galaxy invisible? a. infrared b. visible…
A: In gamma ray the core of the galaxy invisible
Q: What was the most startling discovery about the universe that occurred in 1998? O its expansion is…
A:
Q: The first evidence for the dark energy was that: a. the cosmic microwave background spectrum was a…
A: The first evidence for dark energy came in 1998 two teams of astronomers measured light coming from…
Q: Explain how the Hubble law allows you to estimate the distances to galaxies.
A: According to Hubble's law, the velocity of galaxy with respect to earth is directly proportional to…
Q: The relation between the Doppler shift of galaxies and their distances is called Olbers's…
A: The relationship between the Doppler shift of galaxies and their distance is called Hubble's…
Q: 1. Why big bang theory the most accepted theory on the origin of the universe?
A: “Since you have asked multiple questions which are not linked with each other, we will solve the…
Q: The large black hole at the center of our galaxy is estimated to be a. 3.7 solar masses. b.…
A: Given : Asked to choose the correct option for the mass of the large black hole present at the…
Q: In a Universe with Ω=1, without the presence of dark energy, the expansion of the Universe would a.…
A: Dark energy is the energy present in our universe in a high amount which is something 60% and many…
Q: If the Hubble constant equals 70 km/s/Mpc, the age of the universe roughly equals a. 6 billion…
A: Given:Hubble's constant H=70km/s/MpcTo find:Age of universe=??
Q: observation made on E
A: Based on the observer's point of view the frequency can change this effect is called Doppler shift.…
Q: The cosmic background radiation comes from a time in the evolution of the universe a. when…
A: Given The cosmic background radiation comes from a time in the evolution of the universe, as…
Q: galaxy whose spiral arms have a woolly or fluffy appearance are called a. flocculent. b.…
A: flocculent:- A galaxy whose spiral arms have a woolly or fluffy appearance are known as flocculent.
Q: Radio maps of the spiral arms of our galaxy a. reveal that our galaxy is a grand design spiral.…
A: Radio maps of the spiral arms of our galaxy map the location of dense neutral hydrogen clouds.
Q: 7.) Explain what dark energy implies for the composition and age of the universe.
A: Dark energy is a hypothetical form of energy that is believed to exist in the universe and is…
Q: 9. I found this meme online. Its goal is to undermine the picture of the Universe proposed by modern…
A: Here are the factors that can affect in this scenario: Earth's Rotation - The Earth rotates around…
Q: 1). Astronomical redshift. A galaxy is observed to be receding from us at a speed of 7500 kilometers…
A:
Q: Astronomy: The best current evidence is that the rate of expansion of the universe over time is, a.…
A: This question is from astronomy and astrophysics.
Q: 2. Suppose an absorption line in a spectrum of light from a very distant galaxy is 5015 Angstroms.…
A: Write the expression for the Dopler’s effect and solve for the speed (v) of the separation, that is…
Q: 17) In an accelerating Universe, the scale factor a. grows at an ever-decreasing rate over time. b.…
A: The scaling factor, represented by a(t), tells us to what extent our universe has expanded. Now if…
Q: How fast and in what direction must galaxy A be moving relative to us if an absorption line found at…
A: Relativistic Doppler Effect: When a source emitting waves of certain frequency and wavelength moves…
Q: Why is Big Bang theory the most accepted theory on the origin of the universe? 2. How are Earth's…
A: Introduction: The Big Bang Theory is a cosmological model of the observable universe from the…
Q: 29. Which of the following statements best describes the distribution of galaxies in the universe?…
A: A galaxy is a massive clump of gas, dust, and billions of stars and their solar systems held…
Q: The largest structures in the universe are a. star clusters. b. galaxy clusters. c. galaxy…
A: Given, Structures in the universe
Q: Which is a scientific hypothesis? Select one: a.atoms are the smallest matter particles b.the…
A: Meaning of hypothesis is presumption or supposition. A scientific hypothesis is that presumption or…
Q: 8. Milky Way The Sun is a star in the Milky Way galaxy. When viewed from the side, the galaxy looks…
A: Diameter is Thickness is Note:Speed of light is Find:(a) The diameter and thickness in (b) The…
Q: The lower limit of the mass of the galaxy is a. 100 solar masses. b. 100,000 solar…
A: A lower mass limit is provided because of the timing argument. The timing argument states that all…
Q: What evidence can you cite that the universe is flat?
A: What evidence can you cite that the universe is flat.
2. Astronomers recently claimed to have discovered the most distant galaxy known. How would they have determined the distance?
Step by step
Solved in 2 steps
