How did the distance from fhe home dot to each galaxies change each time you inflated the balloon?
Q: What color is the center of this galaxy and why?
A: The supermassive black hole is the centre of the galaxy is located at inside the bright white patch…
Q: Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint:…
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Q: What are the three main types of galaxies, and what are the peculiarities? What type is the Milky…
A: There are three main types of galaxies. They are, spiral galaxies, elliptical galaxies, and…
Q: Let us assume that our galaxy consists of 2.5 × 1011 stars each of one solar mass. How long will a…
A: Mass of the galaxy is
Q: Calculate the age of the universe if the Hubble's constant was 60 km-s¹ Mly¹.
A: Our universe is constantly expanding, It was observed by Edwin Hubble when he saw the galaxies…
Q: If a group of galaxies is revolving around its center at 240 miles/sec how fast is it moving in…
A: Let the galaxy's speed be denoted by v. The speed of the galaxies is 240 miles per second.
Q: Distance to Andromeda galaxy is around 2.538 Mly. Calculate its recessional velocity.
A: Our universe is constantly expanding, It was observed by Edwin Hubble when he saw the galaxies…
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: How the universe expands?
A: The expansion of the universe is just the increase in distance between any two selected…
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: Astrophysicists estimate that there are about 100 billion galaxies in the universe, and thaton…
A: Question : Which is larger ? The number of stars in the universe or number of grains of…
Q: which galaxies are poorest in gas and dust? Which have the fewest bright stars?
A: Elliptical galaxies contains primarily old stars and they do not have much gas and dust. The…
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: Which galaxies are moving the fastest away from us?
A: Our nearest galaxy is Milky way.
Q: How did Harlow establish the sun's position in the galaxy and the galaxy's size?
A: Given How did Harlow establish the sun's position in the galaxy and the galaxy's size, as following…
Q: What do you think of the statement: The universe has no center and no edge (or boundary)?
A: The description of the universe that it has no centre and no edge actually tells a lot about the…
Q: How can physics help us gain a greater understanding of the interconnected ness of everything in the…
A: The ness interconnection of the universe can be understand with the help of physics. The physics…
Q: What type of galaxy does this picture represent? O Elliptical O Irregular O Spiral
A: The galaxy of the shape of an ellipse is known as an elliptical galaxy.
Q: Sombrero Galaxy is classified as a: Sb Sa Irregular galaxy, we cannot see any spiral…
A: Sombrero galaxies are referred to spiral galaxy.
Q: If an O-type star and our galaxy were at the same distance, which would have a greater magnitude? a)…
A: Given: The O-type star and our galaxy at same distance. The apparent magnitude decreases with the…
Q: Astronomy) Cygnus Loop Velocity. If the Cygnus Loop is 25 pc in diameter and is 10,000 years old,…
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Q: When do cosmologists think the universe began?
A: We have fundamental forces in nature. They are gravitational, electromagnetic, weak and strong…
Q: Can we measure distances to other galaxies using parallax? Why or why not?
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Q: The observed frequency of radio waves from a distant galaxy is 5 GHz. At the location of galaxy, the…
A: 1. Calculate the redshift of the galaxy. Part(2) I am leaving part(2) as it seems incomplete.
Q: n this picture shown, the differences of light spectra of different galaxies compared to a…
A: Spectral lines occur due to the absorption of particlular wavelength of light which is…
Q: Show your completesolution: Convert 20 light year to kilometer
A: Given Convert 20 light years into kilometres We know 1 km = 1000 meters Also 1 light years is…
Q: What does the redshift of the galaxies tell us about their motion with respect to the Earth?
A: The displacement of the spectrum of an astronomical object toward longer wavelength (red) due to the…
Q: Consider three periods in the history of the Universe: one million years after the Big Bang (age = 1…
A: In early times, the Universe was expanding at a rapid pace. Then, the rate of expansion of the…
Q: wolume of a s
A: The average density of spherical galaxy is given as, ρ=M43πr23
Q: Calculate the age of the universe if the Hubble's constant was 29.45 km-s¹ Mly''.
A: It is observed that the galaxies in our universe are moving away from each other. This expansion of…
Q: 6. If a spiral galaxy is 20' in diameter and you measure its distance to be 1 Mpc, what is its…
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Q: There exists an element visible in the spectrum of galaxies that shows the following spectra when…
A: Introduction: The Doppler effect refers to the apparent shift in the wavelength of a wave when there…
Q: Briefly discuss and compare the three general types of galaxies.
A: We need to discuss and compare the three general types of galaxies.
Q: If a galaxy is 100,000,000 parces away and has absolute magnitude of -20.0 what is the galaxies…
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Q: 3 Billion Light-years 2 Billion 2 Billion Light-years Light-years 2.5 Billion 2.5 Billion…
A: Introduction: Hubble's law is the observation that galaxies are moving away from the Earth at speeds…
Q: le of our g
A: Given: To explain the sharpley determines the sun and galaxy size as,
Q: How do galaxies form?
A: Two leading theories describe how the first galaxies were created. One says galaxies were born when…
Q: How do we know galaxies are moving away from us?
A: Electromagnetic radiations are affected by the Doppler shift. When the source is in relative motion…
Q: Convert equatorial coordinates to galactic coordinates. Step-by-Step RA: 02h 32min 12sec…
A:
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