planet earth (H)

Question 1

nebula

Answer 1

cloud of gas and dust

Question 2

singularity

Answer 2

point in which the universe came from

Question 3

direct relationship

Answer 3

when both variables change

Question 4

indirect relationship

Answer 4

only one variable changes

Question 5

Andromeda Galaxy

Answer 5

the closest spiral galaxy

Question 6

Drake Equation

Answer 6

way to calculate # of civilizations currently transmitting signals to the Milky Way

Question 7

Fermi Paradox

Answer 7

where is everyone?

Question 8

Proxima Centauri

Answer 8

closest star to the sun

Question 9

Virgo Supercluster

Answer 9

the cluster our galaxy is located in

Question 10

The Local Group

Answer 10

galaxy group including Milky Way

Question 11

Jovian Planet

Answer 11

Gas planet

Question 12

Terrestrial Planet

Answer 12

Rocky planet

Question 13

Main sequence

Answer 13

line of stars, used to understand the lives of stars

Question 14

Sun-like Star

Answer 14

small stars

Question 15

Apparent magnitude

Answer 15

appears to be how bright the stars seem to the observer

Question 16

Absolute magnitude

Answer 16

The brightness of stars from a certain distance

Question 17

White dwarf

Answer 17

after planetary nebula “explodes”

Question 18

Event horizon

Answer 18

everything within space is being pulled faster than speed of light

Question 19

Gas pressure

Answer 19

the force that the gas exerts on the sides

Question 20

Neutron star

Answer 20

Red supergiant compresses to the center under gravity, combining protons & electrons

Question 21

Protoplanetary Disk

Answer 21

when leftover nebula spins & flattens

Question 22

Planetesimal

Answer 22

first objects to accrete

Question 23

Frost Line

Answer 23

distance from sun at which it can be cool for ice and gas to exist in protoplanetary disk

Question 24

Nebular Theory

Answer 24

what’s thought to be the formation of the Solar System

Question 25

Meteoroid/Meteor/Meteorite

Answer 25

Space/Atmosphere/Earth

Question 26

Chicxulub Impact Crater

Answer 26

Yucatan Peninsula, Mexico, 65 mya

Question 27

Chelyabinsk

Answer 27

Meteorite in Russia, 2013

Question 28

Tektite

Answer 28

black, glossy pieces of rock

Question 29

Tunguska

Answer 29

1908, in Siberia an meteoroid impact

Question 30

Iridium

Answer 30

an element found in the K/T line

Question 31

Protoplanet

Answer 31

layered interiors from differentiation

Question 32

Protostar

Answer 32

forms out of the nebula when gravity pulls enough matter to the center

Question 33

Red Giant

Answer 33

a huge star, when nuclear fusion stops-> planetary nebula

Question 34

planetary nebula

Answer 34

the expanding shell of gas that is escaping a dying sun-like star

Question 35

accretion

Answer 35

when an object gains additional layers

Question 36

differentiation

Answer 36

when a planetesimal gets bigger so that the interior melts and creates layers

Question 37

nuclear fusion

Answer 37

the process of forcing together two light atomic nuclei and creating a heavier one