Unit 1

Question 1

Distance from Earth to Sun (miles)

Answer 1

93,000,000

Question 2

Distance from Earth to Sun (km)

Answer 2

150,000,000

Question 3

The distance from Earth to Sun is called

Answer 3

Astronomical Unit (AU)

Question 4

The Milky Way has over 100 ________ stars

Answer 4

Billion

Question 5

Our closest neighbor galaxy is

Answer 5

Andromeda

Question 6

Supercluster

Answer 6

A gravitationally bound collection of many galaxy groups

Question 7

Our supercluster is called

Answer 7

Laniakea

Question 8

Astronomy

Answer 8

The branch of physics that studies celestial bodies and the universe as a whole

Question 9

Cosmology

Answer 9

The branch of astrophysics that studies the origin and evolution and structure of the universe

Question 10

Light Year

Answer 10

The distance that light travels in a vacuum in 1 year

Question 11

Astronomical Unit

Answer 11

A unit of length used for distances within the solar system; average distance between Earth and Sun

Question 12

Parsec

Answer 12

A unit used in astronomy to describe large distances (1=3.26 light years)

Question 13

Galaxy

Answer 13

A collection of star systems

Question 14

Local Group

Answer 14

A group of about 30 galaxies that includes the Milky Way

Question 15

Milky Way Galaxy

Answer 15

The name of our galaxy, a spiral galaxy that contains about 400 billion stars

Question 16

Spiral Arm

Answer 16

Lanes of interstellar gas, dust, and young stars that wind outward in a plane from the central regions of some galaxies

Question 17

Scale

Answer 17

Degrees of magnification, or perspective, used to measure time, space, and size

Question 18

Universe

Answer 18

The vast expanse of space which contains all of the known matter and energy in existence

Question 19

Solar System

Answer 19

A star and all the material that orbits it, including its planets and moons

Question 20

Galaxy Group

Answer 20

Group of galaxies made up less than 50 or so members and bound by gravity

Question 21

Parallax

Answer 21

Slight shifting in the apparent position of a nearby star due to the orbital motion of the Earth

Question 22

Complexity: _______ Ingredients + Precise _______________ = ____________Properties

Answer 22

Diverse
Arrangement
Emergent

Question 23

Are complex or simple things more fragile?

Answer 23

Complex

Question 24

Creating _________ things is more difficult than creating ________ things.

Answer 24

Complex, simple

Question 25

Goldilocks Conditions

Answer 25

“Just the right” ingredients, environments, and energy flows

Question 26

Diverse Ingredients

Answer 26

Highly varied bits and pieces that make up complex things

Question 27

Precise Arrangement

Answer 27

High levels of specific organization needed to create complex things

Question 28

Emergent Properties

Answer 28

A new function or quality that emerges as a result of precisely arranged diverse ingredients