Astronomy

The first person to use a telescope to study the sky was __________.

• Ptolemy

• Kepler

• Galileo

• Aristotle

Kepler's 1st Law of Planetary Motion states that each planet's path around the Sun is in the shape of a/an:

• Ellipse

• Ecliptic

• Circle

• Rhombus

Tags

NGSS.HS-ESS1-4

While observing the planet Venus through his telescope, Galileo observed that it changed size and shape over a period of months. What conclusion did this help him come to?

• The Earth is round

• The Sun goes around the Earth

• Venus goes around the Sun

• Venus has four moons

Tags

NGSS.HS-ESS1-4

Geocentric models place the _______ at the center of the universe?

• Sun

• Moon

• Earth

• Stars

________________ developed three laws of planetary motion.

• Tycho Brahe

• Aristotle

• Johannes Kepler

• Galileo Galilei

Copernicus theorized that the stars do not actually move across the sky each night. That is an illusion created by what?

• Parallax

• The Zodiac

• The Sun revolving around the Earth

• The rotation of the earth

The second law of planetary motion has to do with the changing speeds of planets. As a planet gets closer to the sun it _________, and as it gets further away from the sun it _____________.

• Speeds up, maintains constant speed

• Speeds up, slows down

• Slows down, speeds up

• Slows down, maintains constant speed

Tags

NGSS.HS-ESS1-4

The astronomer who is credited with developing a Heliocentric (sun-centered) system is:

• Copernicus

• Galileo

• Ptolemy

• Aristotle

Kepler’s third law of planetary motion implied that __________ holds the planets near the Sun.

• Gravity

• The Force

• Magnets

• Inertia

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-1

NGSS.HS-PS2-4

The Modern Period of astronomy took place when?

• Before 500 BC
• 500 BC to 1400 AD
• 1400-1650
• 1650-Present Day