Exploring the 100 Greatest Discoveries in Astronomy

The video explores 13 significant discoveries in astronomy, from ancient observations to modern breakthroughs. It covers the heliocentric model by Copernicus, Kepler's laws, Galileo's telescopic observations, Halley's comet prediction, Herschel's discovery of Uranus, Einstein's general relativity, Hubble's expanding universe, Jansky's radio astronomy, gamma-ray bursts, exoplanets, and dark energy. These discoveries have shaped our understanding of the cosmos and continue to inspire further exploration.

What did the Mesopotamians use to record their astronomical observations?

• Papyrus scrolls

• Stone tablets

• Clay tablets

• Metal plates

Who proposed the heliocentric model of the solar system?

• Ptolemy

• Galileo

• Copernicus

• Aristotle

What shape did Kepler determine the orbits of planets to be?

• Triangular

• Elliptical

• Circular

• Rectangular

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NGSS.HS-ESS1-4

What did Galileo discover with his telescope that supported the heliocentric model?

• Phases of Venus

• Rings of Saturn

• Moons orbiting Jupiter

• Mountains on the Moon

What was Edmund Halley known for predicting?

• The phases of Venus

• The return of a comet

• The rings of Saturn

• The orbit of Mars

Which planet did William Herschel discover?

• Pluto

• Uranus

• Neptune

• Jupiter

What did Einstein's theory of general relativity explain about space?

• It is curved

• It is flat

• It is static

• It is infinite

What did Edwin Hubble discover about the universe?

• It is expanding

• It is static

• It is infinite

• It is contracting

What did Karl Jansky discover at the center of the Milky Way?

• A quasar

• A black hole

• A pulsar

• A supernova

What is the term used to describe the mysterious force causing the universe to accelerate?

• Gravitational waves

• Dark energy

• Antimatter

• Dark matter