The Origin of Life and Stellar Distances
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What phenomenon allows us to observe stars in the past?

  • Stellar distances (correct)
  • Time dilation
  • Light years
  • Starlight refraction

Why is the origin of life considered a unique event in the history of the universe?

  • It occurred billions of years ago
  • It signifies the emergence of life from non-life (correct)
  • It is related to the Big Bang theory
  • It marks the beginning of biological evolution

In the context of the universe's vastness, how does Earth compare?

  • It is relatively large compared to other planets
  • It is at the center of the universe
  • It is almost insignificant in size (correct)
  • It is a significant component of the universe

What is the main focus of the Big Bang theory?

<p>The expansion of the universe (B)</p> Signup and view all the answers

How did hydrogen and helium eventually form according to the text?

<p>Following a decrease in temperature post-expansion (A)</p> Signup and view all the answers

What gases were released from the molten mass covering the surface of early earth?

<p>Water vapor, methane, carbondioxide, ammonia (C)</p> Signup and view all the answers

What did the UV rays from the sun break water into on early earth?

<p>Hydrogen and Oxygen (B)</p> Signup and view all the answers

Who proposed that the first form of life could have come from pre-existing non-living organic molecules?

<p>Oparin of Russia and Haldane of England (D)</p> Signup and view all the answers

What did S.L.Miller observe in his laboratory scale experiments in 1953?

<p>Formation of amino acids (D)</p> Signup and view all the answers

What limited evidence led to the acceptance of the first part of the conjectured story - chemical evolution?

<p>Formation of amino acids in laboratory experiments and analysis of meteorite content (C)</p> Signup and view all the answers

More Like This

Stars and Stellar Spectra Quiz
15 questions
Neutron Stars and Stellar Evolution Quiz
67 questions
Star Formation and Stellar Distance
48 questions
Use Quizgecko on...
Browser
Browser