Important Events in Astronomy

In 2004 ____ successfully lands two remotely controlled rovers on the surface of Mars, Spirit and Opportunity.

• International Space Station

• Elon Musk

• NASA

• Space X

Tags

NGSS.MS-ESS2-3

Aristotle comes up with the "geometric theory," that the sun and all planets revolve around the earth around this time.

• 2004

• 350 BC

• 140

• 1683

Claudius Ptolameus (Ptolemy) writes "Almagest," proposing his world system at this time.

• 350 BC

• 140 BC

• 140

• 1470

In 1686 _________ publishes "Philosophie Naturalis Principia Mathematica," outlining laws of mechanics and law of gravity.

• Galileo Galilei

• Edwin Hubble

• Yuri Gagarin

• Sir Isaac Newton

Tags

NGSS.HS-PS2-4

In 1609, Galileo Galilei builds the first astronomical telescope and observes for the first time craters on the Moon, satellites around Jupiter, and the way _____ goes through phases like the moon.

• Venus

• Jupiter

• Moon

• Craters

Tags

NGSS.MS-ESS1-1

Edwin Hubble proves that other galaxies exist beyond our own on this year:

• 1961

• 1609

• 1924

• 1981

The First Flight of the Space Shuttle was on this year:

• 1924

• 410

• 1961

• 1981

In 1961, Yuri Gagarin becomes the first human to orbit Earth. Allan Shepard becomes first American in space, completes 15-minute suborbital hop. US president _____ announces project to land.

• Joe Biden

• Donald Trump

• J. F. Kennedy

• Elon Musk

In 1609, Johann Keppler, using Tycho's observations formulates his first two laws of _______ motion (3rd law in 1619).

• gravitational

• planetary

• lunar

• elliptical

In 1543, Nicholaus Copernicus publishes his theory of the solar system, challenging the geocentric theory. His new theory, that the earth and all planets revolve around the sun, becomes known as the "_______ theory."

• heliocentric

• Galilean

• gravitational

• space