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: 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: 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 number of stars in the Milky Way Galaxy is approximately

A: Number of stars in Milky way galaxy

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: 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: 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: 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: 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 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: 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…