Neutron Stars and Supernovae Quiz

What is the approximate size of a neutron star?

• The size of a planet

• The size of a galaxy

• The size of a continent

• The size of a city

What element marks the end of nuclear fusion in a star's core?

• Oxygen

• Helium

• Carbon

• Iron

What happens to protons and electrons during the formation of a neutron star?

• They form new atoms

• They convert into neutrons

• They disappear completely

• They become protons

What is a supernova?

• A new star forming

• A star collapsing into a black hole

• A massive explosion of a dying star

• A star expanding into a red giant

How many neutron stars are estimated to exist in the Milky Way?

• A few hundred

• Hundreds of thousands

• Tens of millions

• About 2,000

Who discovered the first pulsar?

• Isaac Newton

• Galileo Galilei

• Jocelyn Bell

• Albert Einstein

What is a pulsar?

• A type of comet

• A new galaxy

• A rapidly spinning neutron star

• A type of black hole

What was the initial reaction to the discovery of pulsars?

• They were thought to be alien signals

• They were considered a hoax

• They were ignored

• They were immediately accepted

Why do pulsars emit regular pulses of radiation?

• As a result of their rapid spin

• Because they are expanding

• Because they are cooling down

• Due to their magnetic fields

What was the nickname given to the first detected pulsar signals?

• Galactic Pulses

• Little Green Men

• Star Whispers

• Cosmic Beacons