Wich of the following statements abou earth,the milky way galaxy,and the solar system are true?

Q: what is time-space distanciation and compression? in short words.

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Q: How would I calculate the age of the universe in billions of years from the Hubble constant (73.48…

A: Everything that exists resides in the universe, including the Earth, planets, stars, space, and…

Q: Suppose that the outer stars of a galaxy have an orbital velocity of 150 km/s. If the radius of the…

A: Given data: rgalaxy=4 kpcv=150 km/s Need to determine the orbital period of the outer stars.

Q: Part 5: Distance and Displacement Review 2 Chave covered this yeari ternet (make sure you Distance…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: What would be the Hubble constant if the universe were 18 billion years old?

A: The age of universe is given as, t = 18 billion years (or) t = 18×109 years TO DETERMINE: The…

Q: Suppose that stars were born at random times over the last 10e10 years. The rate of star formation…

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Q: Astronomers have measured the age of the Universe to be about 14 billion years. Explain how this age…

A: Astronomers estimated that the age of universe is about 12 to 14 billion years. There are two…

Q: A given star orbits the center of its galaxy at an average speed of v_star, at a distance of r_star​…

A: Given, Velocity of star,vS=200km/s=200×103m/sRadius of star,RS=9 kpc=9×3.086×1019mVelocity of…

Q: Roughly how many solar systems would it take to tile the disk of the Milky Way?

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Q: given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years)…

A: Given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years) =…

Q: random times over the last 1010 years. The rate of star formation is simply the number of stars…

A: Number of stars in our milky Way galaxy is  N=9×1010 Time taken in the formation of a plane

Q: What if the Andromeda galaxy were to disappear How long before we would notice?

A: About 2.5 million light-years separate our solar system from the Andromeda galaxy. If it vanished,…

Q: Put these components from largest to smallest 1. comet 2. star 3. galaxy  4. nebula 5. planet…

A: Celestial bodies: All the objects like stars, planets, and comets floating across the vast space are…

Q: Please find the coordinates of the star system Cen X-3 in the • equatorial coordinate system (give…

A: Required : The coordinates of the star system Cen X-3.

Q: What elements made up most of the nebulaein the very young Universe?

A: We have to find out what elements forms the early nebulae

Q: If the Sun is 4.6 billion years old, how many times has it orbited the Milky Way galaxy? (The Sun is…

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Q: Let's say that the number density of galaxies in the universe is, on average, 3 × 10–68 galaxies/m3.…

A: Given :number density of galaxies, n = 3 × 10–68 galaxies/m3            Observable distance by…

Q: what is Retrograde-motion and the failure of the geocentric universe model?

A: Retrograde motion - is the apparent motion of a planet moving in a reverse direction when observed…

Q: Choose the statement that is NOT true of a galaxy. O Galaxies take different shapes depending on how…

A: C statement is completely incorrect.

Q: Our solar system orbits the center of the Milky Way galaxy in about 200 million years. If there were…

A: Like planets move in a circular motion around the sun, the solar system moves in a circular motion…

Q: he Milky Way's

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Q: Which celestial object contains more mass? O Star O Galaxy O Nebula O Comet

A: Now, using the Kepler's planetary laws, we can write: Mass of star = Around 0.08-150 solar masses…

Q: How often (in years) does a planetary system form in our galaxy?

A: Number of stars in our galaxy = 3 x 1011 stars time to consider = 1010 years rate of star formation…

Q: Suppose that stars were born at random times over the last 1010 years. The rate of star formation is…

A: Given that, The total number of stars in the Milky way is N=8×1011 And the stars were born at random…

Q: If I release a box from rest and let it slide down the different (frictionless) tracks, which track…

A: Correct option -: None of the above.

Q: Put these in order from smallest to largest Universe Galaxy Solar system Distance between earth and…

A: Here we arrange these things on the bases of their size in increasing order.

Q: Which of the following lists in order from smallest to largest? O universe --> solar system -->…

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Q: You travel to another star system and meet some aliens. They say there are 146 constellations in the…

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Q: Why was the idea that the universe is eternal and unchanging abandoned?

A: The universe is eternal and unchanging abandoned because the universe was found to be expanding in…

Q: The Tully-Fischer method relies on being able to relate the mass of a galaxy to its rotation…

A: Given: Distance of galactic center of Milky way r = 50 kpc r=50kpc3.086×1019m1kpc=154.3×1019m.…

Q: Milky Way galaxy has about 5 x 10° solar masses of gas in total. If 13 solar masses of that gas is…

A: Thousands of stars, dust particles, and gas fill the Milky Way. Observing it from the top or bottom…

Q: The disk of the Milky Way galaxy contains roughly 200 billion (1 billion = 109 ) stars. The disk is…

A: The milky way galaxy consists of a disk of about 100000 ly diameter and a thickness of about 1000 ly…

Q: 2. (UNIFORM CIRCULAR MOTION) A marble rolls around in a horizontal circular path on the inner…

A: Dear student When any particle is in circular motion, there acts a centripetal force on it. The…

Q: If most galaxies are moving away from us, are we at the center of the universe? Why or why not?

A: Introduction: The universe encompasses everything in existence, from the smallest atom to the…

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: If the sun is 4.6 billion years old, how many times has it orbited the Milky Way? (The sun is 8,300…

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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: If the dark matter in the Milky Way were composed entirely of MACHOs (evidence shows it is not),…

A: Given data: Mass of MACHO is, mM=11000ms              (ms denotes the mass of sun). Mass of dark…

Q: If you find a galaxy that is the same size and mass as our Milky Way Galaxy, what orbital velocity…

A: Mass of our galaxy (M1): 4.0 X 1011 M Semi-major axis of the orbit (a): 51 kpc

Q: 3. Vibrational excitations in a diatomic molecule can be described with a potential energy function…

A: Since you have asked multipart question. So, I have answered first 4 parts. If you need the answer…

Q: Compare the values of the number of grains of sand in all earth’s beaches with the number of stars…

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Q: What would be your estimate for the age of the universe if you measured Hubbleʹs constant to be 33…

A: We are given the value of Hubble constant. We are to find the age of universe. We are also given the…

Q: Let's say that the number density of galaxies in the universe is, on average, 3 × 10–68 galaxies/m3.…

A:

Q: Most of the dark matter in a galaxy is located in a galaxy's  (hint: one word) which allows the…

A: It is a fill in the blank.

Q: Using the center-of-mass equations or the Center of Mass Calculator (under Binary-Star Basics,…

A: Given: In this question, the given details are Consider the star 1 has m1=3.4 solar masses, and the…