Case Study: S.Chandrasekhar

Subrahmanyan Chandrasekhar - black holes and x-ray telescopes.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which of these describes the Milky Way?

1/8

Q2.Select the stage of a star's life cycle that immediately precedes a supernova explosion.

2/8

Q3.Calculate (to 2 significant figures) the wavelength of microwaves with a frequency of 2.5 x 10⁹Hz. (speed of light = 3.0 x 10⁸m/s)

3/8

Q4.As a dwarf planet moves further from the Sun, which option is correct?

4/8

Q5.The elements formed in a red supergiant could include... (use a periodic table if you need to)

5/8

Q6.A distant galaxy has an extremely high value of red shift. Which of these could NOT be true about the galaxy? (Choose 2)

Select two (2) boxes

6/8

Q7.Dark matter and dark energy are ideas for...

7/8

Q8.The two pieces of scientific data that are evidence for supporting a Big Bang origin of the universe are: (choose 2)

Select two (2) boxes

8/8

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which of these describes the Milky Way?

1/8

Q2.Select the stage of a star's life cycle that immediately precedes a supernova explosion.

2/8

Q3.Calculate (to 2 significant figures) the wavelength of microwaves with a frequency of 2.5 x 10⁹Hz. (speed of light = 3.0 x 10⁸m/s)

3/8

Q4.As a dwarf planet moves further from the Sun, which option is correct?

4/8

Q5.The elements formed in a red supergiant could include... (use a periodic table if you need to)

5/8

Q6.A distant galaxy has an extremely high value of red shift. Which of these could NOT be true about the galaxy? (Choose 2)

Select two (2) boxes

6/8

Q7.Dark matter and dark energy are ideas for...

7/8

Q8.The two pieces of scientific data that are evidence for supporting a Big Bang origin of the universe are: (choose 2)

Select two (2) boxes

8/8

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

S. Chandrasekhar

This quiz will test your understanding of the topic in the lesson, and prior knowledge from earlier in this topic.

Q1.In which country was Chandra born?

1/10

Q2.Which option best describes Chandra's most significant discovery?

2/10

Q3.An X-ray observatory must be placed in orbit above the Earth because....

3/10

Q4.It is worthwhile to observe astronomical events in the X-ray region of the spectrum because...

4/10

Q5.The Sun's mass is 2.0 x 10³⁰kg. The Chandrasekhar limit in solar masses is 1.4. Calculate the Chandrasekhar limit in kg.

5/10

Q6.The stages of a star's life have been mixed up below. What is the first stage in a stars life?

6/10

Q7.The stages of a star's life have been mixed up below. What is the second stage in a stars life?

7/10

Q8.The stages of a star's life have been mixed up below. What is the third stage in a stars life?

8/10

Q9.The stages of a star's life have been mixed up below. What is the forth stage in a stars life?

9/10

Q10.The stages of a star's life have been mixed up below. What is the fifth stage in a stars life?

10/10

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

S. Chandrasekhar

This quiz will test your understanding of the topic in the lesson, and prior knowledge from earlier in this topic.

Q1.In which country was Chandra born?

1/10

Q2.Which option best describes Chandra's most significant discovery?

2/10

Q3.An X-ray observatory must be placed in orbit above the Earth because....

3/10

Q4.It is worthwhile to observe astronomical events in the X-ray region of the spectrum because...

4/10

Q5.The Sun's mass is 2.0 x 10³⁰kg. The Chandrasekhar limit in solar masses is 1.4. Calculate the Chandrasekhar limit in kg.

5/10

Q6.The stages of a star's life have been mixed up below. What is the first stage in a stars life?

6/10

Q7.The stages of a star's life have been mixed up below. What is the second stage in a stars life?

7/10

Q8.The stages of a star's life have been mixed up below. What is the third stage in a stars life?

8/10

Q9.The stages of a star's life have been mixed up below. What is the forth stage in a stars life?

9/10

Q10.The stages of a star's life have been mixed up below. What is the fifth stage in a stars life?

10/10

Lesson summary: Case Study: S.Chandrasekhar

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This was the final lesson in the unit Space.

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