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.
The sky is dark at night.
The rotation curves of galaxies become flat at large distances.
Some of the planets display retrograde motion.
2. Hubble’s Law tells us that
the planets move in elliptical orbits.
entropy is always increasing.
the universe is expanding.
nothing can travel faster than light.
3. Inside the proton are
electrons held together by gluons.
quarks held together by gluons.
quarks held together by photons.
electrons held together by photons.
4. The mediating particles of the weak interaction include
the graviton.
the Y boson.
the Z boson.
the neutrino.
5. In 2012 the Large Hadron Collider discovered
Gravitational Waves.
the top quark.
the Higgs boson.
supersymmetry.
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?
Massive neutrinos.
Dark Energy.
Dark Matter.
Hubble’s Law.
8. The Heat Death of the Universe would be a consequence of
the second law of thermodynamics.
quantum tunnelling.
quintessence.
the Sachs-Wolfe effect.
9. The Universe appears to contain much more matter than antimatter. This observation is known as
the Horizon Problem.
the Exotic Relic Problem.
the Baryon Asymmetry Problem.
the Flatness 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?
Pythagoras.
Eratosthenes.
Aristotle.
Eudoxus.
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