What is located at the center of our galaxy & how far is the earth from this location?4.

1. What is Pulsar? How is a pulsar similar to a lighthouse?2. If light cannot escape from a black hole, why do we detect X-rays “coming from” black holes?3. What is located at the center of our galaxy & how far is the Earth from this location?4. How long does it take the Milky Way… Continue reading What is located at the center of our galaxy & how far is the earth from this location?4.

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What is plasma?

Ch. 11 Study Questions 1. What two chemical elements is the Sun chiefly made of? 2. How hot (in Kelvin) is the surface of the Sun? 3. How hot (in Kelvin) is the center of the Sun? 4. What are the three layers of the Suns atmosphere, from bottom to top? 5. The Sun is… Continue reading What is plasma?

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What do astronomers observe in order to tell if a star is main sequence, or one of the evolved giants?

Ch. 12 Study Questions 1. What is the measured parallax of stars used for? 2. Which is brighter, magnitude 5 or magnitude 0? 3. What two things does a star’s apparent magnitude depend on? 4. What one thing does a star’s absolute magnitude depend on? 5. What is a star’s luminosity? 6. Why are stars… Continue reading What do astronomers observe in order to tell if a star is main sequence, or one of the evolved giants?

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What is plasma?

Ch. 11 Study Questions 1. What two chemical elements is the Sun chiefly made of? 2. How hot (in Kelvin) is the surface of the Sun? 3. How hot (in Kelvin) is the center of the Sun? 4. What are the three layers of the Suns atmosphere, from bottom to top? 5. The Sun is… Continue reading What is plasma?

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What you see is called a continuous spectrum. Write a few sentences of description of the diffraction grating view

Learning Goal: I’m working on a astronomy exercise and need an explanation and answer to help me learn. General instructions for assignments All responses must be typed. All calculations must be shown in full. All graphs must be electronically produced. All references must be cited using Chicago Manual of Style conventions. Sharing of phrasing or… Continue reading What you see is called a continuous spectrum. Write a few sentences of description of the diffraction grating view

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Write a few sentences of description of the diffraction grating view

Learning Goal: I’m working on a astronomy exercise and need an explanation and answer to help me learn. General instructions for assignments All responses must be typed. All calculations must be shown in full. All graphs must be electronically produced. All references must be cited using Chicago Manual of Style conventions. Sharing of phrasing or… Continue reading Write a few sentences of description of the diffraction grating view

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Learning Goal: I’m working on a astronomy discussion question and need an explan

Learning Goal: I’m working on a astronomy discussion question and need an explanation and answer to help me learn. Attention, Navigators, this is your Captain speaking, It’s time to do something with your sextants. We are calling the inclinometer a sextant, now. The building of the sextant was worth ten points. Using it to determine… Continue reading Learning Goal: I’m working on a astronomy discussion question and need an explan

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