The big bang happened a. in the Hyades cluster. b. in the Virgo cluster. c. in the Sagittarius spiral arm. d. in the Andromeda Galaxy. e. in all of these locations.
Q: About how much of the universe is believed to be composed of dark energy? O 68-73% O 10-12% O 4-5% O…
A: We know very less about the universe . and said universe is expand . the maximum thing is unknown…
Q: The cosmic microwave background consists of: huge clouds of dark matter interspersed with equally…
A: Cosmic microwave background also known relic radiation. Cosmic microwave background is kind of…
Q: If a quasar has a recessional velocity of 2.7 × 10 5 km/sec and is determined to be 3600 Mpc, what…
A:
Q: Why do the spiral arms of our galaxy move around the center of the galaxy? a) Spiral arms do not…
A: Normal spirals have arms that emanate from the nucleus, while barred spirals have a bright linear…
Q: The traditional theory of the formation of our galaxy CANNOT explain a. the existence of the disk…
A: a. The existence of the disk of the galaxy
Q: What was the temperature of the universe when the recombination took place that produced the cosmic…
A: Around 400,000 years after the big bang, the space was completely filled with a hot soup of…
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: The objects that are detected at the points where the gas of a radio jet hits the extragalactic…
A: The quasar are small and the powerful source if energy that is active core of very distant galaxies.
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: The number of stars in the Milky Way Galaxy is approximately
A: Number of stars in Milky way galaxy
Q: 21-centimeter radiation observations of the galaxy reveal a. the location of neutral hydrogen…
A: Correct Option is "a"
Q: Heavier elements like carbon, nitrogen and iron are spread out into space mainly through a.…
A: Some 14 billion years ago, a massive explosion occurred which is called the big bang. It created the…
Q: Disk population stars have I. circular orbits in the plane of the galaxy II. randomly…
A:
Q: 3. Determine the Schwartzschild radius and the average density of a black hole formed by the…
A:
Q: If we find a galaxy that is moving away at 72,000 km/s, what does Hubble’s law tells us about the…
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: What is Big Bang theory?
A: Astronomers have given several theories and facts for the galaxies moving away from our galaxy.…
Q: WHERE 9*10^9 came from
A:
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: Theory predicts that the irregularities in the hot gas of the big bang should be how many degrees in…
A: The cosmologists analyze the irregularities within the intensity of the CMB using sophisticated…
Q: What is the name for the spherical cloud of thinly scattered stars and globular clusters that…
A: Given : What is the name for the spherical cloud of thinly scattered stars and globular clusters…
Q: State the grand unified theory.
A: There are four fundamental forces in nature: Electromagnetic forces. Gravitational forces. Strong…
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: If a galaxy is 9.1 Mpc away from Earth and recedes at 511 km/s, what is H0 (in km/s/Mpc)? 2. What…
A: Note: As per the policy, only the first question will be solved. If you want the solution for other…
Q: About what percentage of the universe is believed to be composed of normal matter? O 5% O > 22% O…
A: 68% of the matter is dark energy. 27% of the matter is dark matter. Rest less or equal to 5% is…
Q: Hubble's Law Constant provides the following information about the observable universe: galaxies…
A: Hubble's law constant, often denoted as H₀ provides an estimate of the current rate of expansion of…
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: 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: Suppose you wanted to measure the distance to an elliptical galaxy around 5 Mpc away using variable…
A: Given: To measure the distance in an elliptical galaxy having 5 Mpc used as the variable stars. To…
Q: If the Hubble's constant was 100 km/s/Mpc instead of 70 km/s/Mpc what would be the estimated age of…
A: It was observed that the galaxies were moving away from us. Edwin Hubble calculated their recession…
Q: The resolution of Olbers’s paradox suggests that it gets dark at night because a. the universe is…
A: The resolution of Olbers’s paradox suggests that it gets dark at night because the universe is not…
Q: The Analysis of the Big Bang Theory.
A: Universe is the whole yonder which consists of many many miles of life both living and unliving. Its…
Q: In the standard model, about when after the Big Bang did the universe become transparent to…
A: Ans is :- C
Q: The center of our galaxy lies in the direction of the constellation of a. Ursa Minor. b. Ursa…
A: Milky Way: M.W galaxy holds our solar system. Our galaxy falls into a category of barred spiral.…
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: Assume that the orbital speed of a star is measured at a distance of 15 kpc from he center of our…
A:
Q: Use excel calculator to fill in the missing calculations. 1pc = 3.26 ly Galaxy Andromeda Large Mag.…
A: We need to complete the table in Excel. 1pc = 3.26 lyAlso, 1 ly=9.461e+12 km
Q: 6) The redshift of a galaxy is observed to be 1.5. Calculate the recessional velocity of the galaxy.
A: Redshift takes place when the source is moving away from the observer. This reduces the frequency…
Q: The largest structures in the universe are a. star clusters. b. galaxy clusters. c. galaxy…
A: Given, Structures in the universe
Q: If Hubble’s constant is taken to be 70 km/sec/Mpc, and a quasar is found with a radial velocity of…
A: Given data: The Hubble’s constant is H0=70 km/sec/Mpc. The radial velocity is v=0.95c.
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: What is the approximate temperature of the universe that we currently observe? a. 0 K b. 2.7 K…
A: The temperature of the universe recently measured by the scientists is 2.73 Kelvin.
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 is the differences between an E7 and an E0 galaxy? Explain.
A: To explain the correct answer is given below,
-
The big bang happened
a. in the Hyades cluster.b. in the Virgo cluster.c. in the Sagittarius spiral arm.d. in the Andromeda Galaxy.e. in all of these locations.
Step by step
Solved in 2 steps
