Card 1
Term
Dark Matter
Definition
Unseen matter inferred from gravitational effects.
Card 2
Term
Dark Energy
Definition
Force driving the accelerated expansion of the universe.
Card 3
Term
Exoplanet
Definition
Planet outside our solar system.
Card 4
Term
Pulsar
Definition
Highly magnetized rotating neutron star.
Card 5
Term
Quasar
Definition
Extremely luminous active galactic nucleus.
Card 6
Term
Cosmic Microwave Background
Definition
Radiation left over from the Big Bang.
Card 7
Term
Redshift
Definition
Increase in wavelength of light from distant objects.
Card 8
Term
Event Horizon
Definition
Boundary around a black hole beyond which nothing escapes.
Card 9
Term
Supernova
Definition
Explosion of a massive star.
Card 10
Term
Hubble's Law
Definition
Galaxies move away at speeds proportional to their distance.