Exploring the Cosmos - Degree Exam 2014 - Particles, Forces & the Big Bang
1. Olber’s paradox involves which of the following observations?
Matter clumps into galaxies and large scale structures.
Some of the planets display retrograde motion.
The sky is dark at night.
The rotation curves of galaxies become flat at large distances.
2. Hubble’s Law tells us that
the planets move in elliptical orbits.
the universe is expanding.
nothing can travel faster than light.
entropy is always increasing.
3. Inside the proton are
electrons held together by photons.
quarks held together by gluons.
quarks held together by photons.
electrons held together by gluons.
4. The mediating particles of the weak interaction include
the Y boson.
the graviton.
the Z boson.
the neutrino.
5. In 2012 the Large Hadron Collider discovered
Gravitational Waves.
supersymmetry.
the top quark.
the Higgs boson.
6. A WIMP is a
Weakly Interacting Massive Particle.
Weakly Interacting Majorana Particle.
Weakly Interacting Mono-Pole.
Weakly Interacting Massless Particle.
7. The Bullet Cluster provides evidence for which phenomenon?
Dark Matter.
Hubble’s Law.
Dark Energy.
Massive neutrinos.
8. The Heat Death of the Universe would be a consequence of
the second law of thermodynamics.
quintessence.
the Sachs-Wolfe effect.
quantum tunnelling.
9. The Universe appears to contain much more matter than antimatter. This observation is known as
the Horizon Problem.
the Exotic Relic Problem.
the Flatness Problem.
the Baryon Asymmetry Problem.
10. Which Greek Astronomer ï¬rst reasoned that the Earth is a sphere from seeing the Earth’s shadow on the Moon at a lunar eclipse?
Eratosthenes.
Eudoxus.
Pythagoras.
Aristotle.
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