3 Stars That Shouldn't Exist

3 Stars That Shouldn't Exist

Assessment

Interactive Video

Physics, Science, Chemistry

11th Grade - University

Hard

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The video explores the vast mysteries of the universe, focusing on three peculiar stars that challenge current astronomical theories. J1029 is a metal-poor star with an unexpectedly low concentration of heavy elements. R136a1 is the most massive star known, defying previous beliefs about stellar mass limits. SN 1987A is a supernova that may have formed a quark star, a hypothetical type of star. These stars highlight the gaps in our understanding of the universe.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the star SDSS J102915+172927 (J1029) in terms of its heavy element concentration?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the mass of the star R136a1 challenge previous astronomical theories?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the expected outcomes of a type II supernova like SN 1987A, and what makes its case unusual?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the concept of a quark star and how it differs from a neutron star.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What do the unusual characteristics of these stars remind us about our understanding of the universe?

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