21.  You observe a star in the disk of the Milky Way, and you want to plot the star on an H -R diagram. You will need to determine all of the following,  except the     apparent brightness of the star in our sky.     spectral type of the star.     distance to the star.     rotation rate of the star.

Q: Explain in your own words what is paleomagnetism

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A: The Philippine Area of Responsibility (PAR) is an area in the Philippines' NW Pacific, affected by s...

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

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Q: Where would find well-sorted, well-rounded sandstone?

A: Sandstone is a sedimentary rock, which is formed after sedimentation and compaction of weathered roc...

Q: Describe two methods implemented on Apricot Lane Farms to increase soil fertility.

A: Apricot Lane Farms Apricot Lane Farms is involved in a mission to produce rich soil and healthier ec...

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A: The record of the area of the land that gives the elevations and geographic positions for natural an...

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Determine the stream gradient for a river that has an elevation change from 2,175 ft to 1,675ft; the...

A: Stream gradient is the the ratio of vertical difference in elevations and horizontal distance of two...

Q: Is the slope of the 300 mb surface steeper during winter or summer? Why?

A: Temperature in the troposphere decreases with altitude and also decreases uniformly from the equator...

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A: The first image shows all the parts of the earth interior. The outer layer represents the earth's cr...

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Q: Star A has a luminosity half that of the Sun (LA = 0.5L), and star B has a luminosity 4.5 times tha...

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Q: Question about earth science.    I have tried it but unable to answer it.

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A: The atmosphere of the air chiefly composed of four components as Nitrogen, Oxygen, Argon and Carbon ...

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