keaton191

On site since: 2019-01-03 20:17:22

Age: 15 years

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Asked questions: 5

Gave answers: 17

Point: 40

Best answer: 0

Questions

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Physics, 08.08.2019 21:20

Explain what the mass-to-light ratio is and why it is smaller in spiral galaxies with regions of star formation than in elliptical galaxies....

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Physics, 08.08.2019 21:20

What evidence do we have that the luminous central region of a quasar is small and compact?...

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Business, 08.08.2019 21:20

Select cost information for klondike corporation is as follows: 1,000 units of output 2,000 units of output total cost/unit total cost/unit direct ma...

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Physics, 08.08.2019 21:20

Calculate the mass-to-light ratio for a globular cluster with a luminosity of 106 lsun and 105 stars. (assume that the average mass of a star in such...

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Physics, 08.08.2019 21:20

Why can we not determine distances to galaxies by the same method used to measure the parallaxes of stars?...

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Physics, 08.08.2019 21:20

Can a higher mass-to-light ratio mean that there is gas and dust present in the system that is being analyzed?...

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Physics, 08.08.2019 21:20

Acluster of galaxies is observed to have a recessional velocity of 60,000 km/s. find the distance to the cluster. (assume a hubble constant of 22 km/s...

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Physics, 08.08.2019 21:20

Why is hubble’s law considered one of the most important discoveries in the history of astronomy?...

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English, 08.08.2019 21:20

You don't know how to fix holes in our ozone layer. you don't know how to bring salmon back up a dead stream. you don't know how to bring back an anim...

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Physics, 08.08.2019 21:20

Suppose the stars in an elliptical galaxy all formed within a few million years shortly after the universe began. suppose these stars have a range of...

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Physics, 08.08.2019 21:20

What causes the largest mass-to-light ratio: gas and dust, dark matter, or stars that have burnt out?...

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Physics, 08.08.2019 21:20

Suppose the milky way galaxy were truly isolated and that no other galaxies existed within 100 million light-years. suppose that galaxies were observe...

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Physics, 08.08.2019 21:20

What does it mean if one elliptical galaxy has broader spectrum lines than another elliptical galaxy?...

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Physics, 08.08.2019 21:20

What does it mean to say that the universe is expanding? what is expanding? for example, is your astronomy classroom expanding? is the solar system...

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Physics, 08.08.2019 21:20

Suppose you were hubble and humason, working on the distances and doppler shifts of the galaxies. what sorts of things would you have to do to convinc...

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Physics, 08.08.2019 21:20

Why does the disk of a spiral galaxy appear dark when viewed edge on?...

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Physics, 08.08.2019 21:20

Was hubble’s original estimate of the distance to the andromeda galaxy correct? explain....

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Physics, 08.08.2019 21:20

What is the most useful standard bulb method for determining distances to galaxies?...

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Physics, 08.08.2019 21:20

Assume that the sun orbits the center of the galaxy at a speed of 220 km/s and a distance of 26,000 light-years from the center. calculate the c...

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Mathematics, 08.08.2019 21:20

Use the box plots comparing the number of males and number of females attending the latest superhero movie each day for a month to answer the question...