Primordial Black Holes and Their Mysteries

What condition is necessary for the formation of a black hole in the early universe?

• High temperature

• Density differential

• Presence of dark matter

• Cosmic inflation

What is a significant challenge in detecting primordial black holes today?

• Their black color

• Their rapid movement

• Their high temperature

• Their small size

What is the potential mass range for primordial black holes according to some models?

• A few grams to thousands of solar masses

• Only a few grams

• Only thousands of solar masses

• Between 10 and 100 solar masses

What is one reason primordial black holes are considered as potential dark matter candidates?

• They cause gravitational lensing

• They emit strong radiation

• They are visible in the night sky

• They are abundant in the universe

What is a possible consequence of primordial black holes being dark matter?

• They would cause frequent supernovae

• They would be visible to the naked eye

• They would cause microlensing effects

• They would emit strong light

What could happen if a primordial black hole passed through the Solar System?

• It would increase solar activity

• It would create a new planet

• It would cause a supernova

• It would disrupt planetary orbits

What is a characteristic of a billion-ton primordial black hole?

• It has an event horizon the size of a planet

• It moves slower than light

• It has an event horizon around the size of a proton

• It emits visible light

What is a potential effect of a primordial black hole hitting Earth?

• It would increase Earth's gravity

• It would cause a global earthquake

• It would leave a column of vaporized rock

• It would create a new ocean

How might geologists contribute to the discovery of primordial black holes?

• By examining crystalline material in Earth's crust

• By studying gravitational waves

• By observing star clusters

• By analyzing cosmic microwave background radiation

What property of water makes it uniquely suitable for life?

• It is non-polar

• It is a dipole

• It has a low specific heat

• It is a poor solvent