Astro_S2_Space Explorers

The ____________ refers to an imaginary sphere of heavenly objects that seems to center on the observer.

• Constellation

• Celestial Sphere

• North Pole

• South Pole

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

• Ptolemy

• Kepler

• Galileo

• Aristotle

The two most famous believers of the geocentric model of the universe were:

• Orville and Wilbur Wright

• Kepler and Tycho Brahe

• Copernicus and Galileo

• Aristotle and Ptolemy

How long does it take the Earth to revolve around the Sun?

• 365.25 seconds

• 365.25 minutes

• 365.25 days

• 365.25 weeks

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

• Copernicus

• Galileo

• Ptolemy

• Aristotle

Which civilization created the Big Horn medicine wheel?

• Aztecs

• Greeks

• North American Indians

• Egyptians

Which astronomer of antiquity made elaborate models of an earth-centered universe?

• Copernicus
• Aristarchus
• Ptolemy
• Tycho Brahe

How did astronomical observations benefit ancient societies? Select all that apply.

• Kept track of time

• Helped people who relied on agriculture for survival

• Kept track of seasons

• Prevented diseases

What is thought to be one of the main purposes of building Stonehenge?

• to predict the future

• to predict celestial events and seasons

• to create a lasting memorial to the gods

• to confound and confuse future historians

The ability to predict seasons & celestial events were very important to the ancients because

• otherwise they would not know the time of day.

• there was no other way to figure out planetary movements.

• it allowed for crops to be planted and to keep track of time

• the phases of the Moon was very important to know.