Sci-Quest 1

What is the study of all matter and energy in the universe involving celestial bodies such as planets, stars and galaxies?

• Astrology

• Astronomy

• Cosmology

• Cosmogony

Who proposed the nebular hypothesis?

• Georges Lemaitre

• Bondi, Gold and Hoyle

• Albert Einstein

• Immanuel Kant

Which of the following ideas is explained in the nebular hypothesis?

• As gas swirled around, eddies of gas caused the formation of sun and planets.

• Planets and moons were wandering around and were captured by the sun.

• Earth collided with a small planet, producing moon.

• Two stars collided and formed planets and moon.

What theory on the origin of the solar system claims that planets were created from the gradual combination of small chunks of materials?

• Gas cloud theory

• Fission theory

• Accretion theory

• Capture theory

Which of the following is NOT a theory on the origin of the Universe?

• Stellar collision theory

• Big bang theory

• Oscillating Universe theory

• Steady-state universe theory

Who among the scientists below proposed the Capture theory?

• Immanuel Kant

• Michael Mark Woolfson

• Albert Einstein

• Hartmann and Davis

What is the idea of Gas cloud theory?

• As gas swirled around, eddies of gas caused the formation of the sun and planets.

• Bursting of the sun sent out the planets and moons.

• Gas clouds were pulled by sun's gravity, then formed into planets and moons.

• Dusts gradually combined and formed planets and their moons.

All of the following theories explain the origin of the solar system, EXCEPT

• Planetary collision theory

• Gas cloud theory

• Capture theory

• Nebular hypothesis

Who proposed stellar collision theory?

• Otto Schmidt

• Hartmann and Davis

• R.W. Stewart

• Einstein and Messier

Which of the following claims that there will be time for the universe to run out of energy and another big bang will occur?

• Steady-state Universe Theory

• Nebular Hypothesis

• Big Bang Theory

• Oscillating Universe theory