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