Stars
The Sun
What happens to a star when it goes supernova?
It Explodes
What is left behind after a supernova if the core doesn't become a black hole?
Neutron Star
What is the outermost layer of the Sun's atmosphere?
Corona
What is the energy of motion called?
Kinetic Energy
What is a star primarily made of in its main sequence phase?
Hydrogen
What is the point of no return called around a black hole?
Event Horizon
Neutron stars are composed primarily of what type of subatomic particle?
Neutrons
What process powers the Sun by converting hydrogen into helium?
Nuclear Fusion
What is the SI unit for Pressure?
Pascal
What is the cloud of gas and dust from which stars are formed?
Nebula
What happens to light when it gets too close to a black hole?
It gets trapped or cannot escape.
What mass should the core of a collapsing star have in order to become a neutron star?
Between 1.5-3 Solar Masses
What is the region where energy is transported by photons within the Sun called?
Radiative Zone
What unit is used to measure energy in the International System of Units?
Joule
What type of star will the Sun eventually become?
What element is typically produced in large amounts during a supernova explosion?
Iron
What star stage comes before the supernova in the lifecycle of a massive star?
Red Supergiant
How long does it take light from the Sun to reach Earth?
About 8 minutes.
What type of energy does a compressed spring store?
Potential Energy
What balances the force of gravity and stops the star from collapsing into itself?
Energy From Nuclear Fusion
What theory of Einstein's explains how black holes warp space and time?
General Relativity
What is a rapidly spinning neutron star that emits radiation in beams called?
Pulsar
Approximately how long does it take sunspots to travel towards the equator?
11 years
What is the law of conservation of energy?
Energy cannot be created or destroyed, only transferred or transformed.