Beyond the Solar System Test Review

The point in the center of the black hole where we believe that physics as we know if may cease to exist

• accretion disk

• singularity

• supernova

• quasar

How are black holes created?

• When a massive star implodes

• From a gamma ray burst

• From a nebula of gas and dust in space

• From nothing in interstellar space

Whose theory of relativity is tested by Black Holes?

• Stephen Hawking

• Plato

• Galileo

• Albert Einstein

What is a black hole?

• A black hole is a type of star that emits light in the visible spectrum.
• A black hole is a region of spacetime where time flows backwards.
• A black hole is a phenomenon caused by the collision of two galaxies.
• A black hole is a region of spacetime where gravity is so strong that not even light can escape from it.

Match the following

• Rings around black hole

• Photon Sphere

• Light source of a black hole

• Accretion Disk

• Matter moved away from black hole

• Singularity

• surface of black hole nothing can escape

• Particle Jet

• Center of a black hole

• Event horizon

Which is not a type of black hole?

• Stellar Mass

• Supermassive

• Mid Mass

• Quasars

Theorized to have been made seconds after the big bang, these types of black holes are thought to have evaporated away.

• Primordial black holes
• Mid mass black holes

• Prehistoric black holes
• Supermassive black holes

Which is not proof that a black hole exist?

• Hot material falling into a dense area

• Weird motion of objects moving nearby

• Existence of gravitational waves
• Jets of glowing gas

​ ​ (a)   black holes have 3 to 20 times the mass of our sun, while ​ ​ (b)   black holes have millions to billions of times the mass of our sun.

• Stellar Mass
• Supermassive
• Mid Mass

Match the following

• movement of star in space

• direct imaging

• coronography and starshade used

• transit

• exoplanet moving in front of star

• gravitational microlensing

• gravity bends light, star looks brighter

• astrometry

• wobble of star due to exoplanets

• radial velocity