Science Space Colony

Front 1

air pressure

Back 1

the weight of air from the surface of a planet to the top of the atmosphere.

Front 2

alba Pateria

Back 2

the largest diameter crater on Mars. It has a diameter of 960 miles. It is an ancient volcano or old meteor

Front 3

Alpha Centauri

Back 3

the nearest star to the Earth, other than our sun. It is about 4 light years away.

Front 4

Argyre Planiti

Back 4

a very large meteor impact crater near the south pole of Mars

Front 5

Asteroid

Back 5

A small, rocky planet-like object in orbit around the Sun. A concentrated band of asteoids is located between Mars and Jupiter.

Front 6

Bacteria

Back 6

living organisms that can be seen only with a microscope. They are composed of a single cell and no defined organelles

Front 7

Atmosphere

Back 7

the layer of gases around Earth, Mars, and other celestil bodies

Front 8

Big Bang Theory

Back 8

the idea tht billions of yers ago all of the matter in the universe was converted from a small dense point of energy in space. This body exploded and broke into galaxies. Our sun is one star in one of these galaxies.

Front 9

Carbon Dioxide

Back 9

a gas made of the elements carbon and oxgen. This gas is given off by man during respiratikon, and is needed by plants to make food for themselves by the process of photosynthesis.

Front 10

Cassini

Back 10

17th C. Italian astromomer who studied the rotation of Mars and found that the length of the Martian day is about 24 hours

Front 11

comet

Back 11

a body of ice and dust that travels around the Sun along an ellipitcal orbit.

Front 12

cosmic ray

Back 12

particles of high enegy that originate in outer space and strike the Earth at extremly high speeds

Front 13

elliptical

Back 13

refering to an ellipse, or a flattened circle or oval shape

Front 14

environment

Back 14

the surroundings os a living orginism

Front 15

galaxy

Back 15

a large group of stars, their solar systems, interstellar gases and dust. Our galaxy is: Milky Way

Front 16

Environment

Back 16

the suroundings of a living organisim

Front 17

Galaxy

Back 17

a large group of stars, their solar systems, interstellar gases, and dust. Our galaxy is called the Milky Way and contains over 100 billion stars

Front 18

Geological

Back 18

relating to the study of a planets surfce and/or the study of rocks and rock formations.

Front 19

Gravity

Back 19

the attraction that every object in space has for every other object

Front 20

Greenhouse

Back 20

a building for growing plants which has glass or plastic sides and roof.

Front 21

Hellas Plantia

Back 21

the larges known meteor impact crater on Mars. Although it is called a Martian desert, is is cool and dusty, not hot and sandy. Its light hue is due to sunlight reflecting of minerals such as felsite or limonite.

Front 22

Hydroponics

Back 22

the science of growing plants in solution containing the necessary nutrients, instead of in soil

Front 23

light year

Back 23

the distance that light travels in one Earth year. Since light travels at 300,000 km/sec, a light year is about 10 trillion km or 6 trillion miles

Front 24

Lygot crater

Back 24

a meteor impact craer on the surface of Mars. Meteor impact crater on the surface of Mars. Meteor impact craters result from meteors hitting the surface of planets.

Front 25

Mariner

Back 25

space probes that flew past Mars on Feb. 24 1969 (Mariner 6)March 24 1969 and Nov. 13 1971. Took extensive photos of and measurements of Mars.

Front 26

Mars Pathfinder

Back 26

space ship whose launch date was 12/4/96. It landed on 4.4/97 carring the Sojouner Rover, a six wheeled vehicle controlled by an Earth-based operator.

Front 27

Mars Global Surveyor

Back 27

space ship whose launch date was 11/7/96. It entered Mars atmosphere on 9/12/97 and orbited Mars for 16 months while mapping the Martian surface

Front 28

Mars Surveyor

Back 28

space ship whose launch date is set for March 2001. It will orbit Mars for 3 yrs. while conduction mineralogical analysis of the planet's surface.

Front 29

Mars Polar Lander

Back 29

space ship whose launch date was 1/99. This space ship was t land oon Mars and study and collect info. about long term climatic changes. As of 2000, no signal have been received from the Polar Lander since it entered Mars atmospher. It is believed to have exploded when the rockes were ignited for landing or came in too fast and was destroyed in impact.

Front 30

Meteorite

Back 30

fragment of rock that originates in space, passes through a plantes atmosphere and strikes its surface. It could be leftover space debris from when the planets were formed in the solar system.

Front 31

microorganism

Back 31

a living thing that is so small that it cannot be seen without a microscope

Front 32

Milky Way Galaxy

Back 32

the galaxy our solar system is in. The Milky Way galaxy contains over 100billion stars and is spiral in shapae

Front 33

Modules

Back 33

the life support units of a colony, such as greenhouses, wate recyclers or recreation areas.

Front 34

Nitrogen

Back 34

a gas which makes up 78% of Earth's atmosphere but only 3% of Mars atmosphere.

Front 35

Olympus Mons

Back 35

a towering volcano which is approx 24 km (15 miles) high. The crate is 45 miles wide. The base is 335 miles diameter. It is the highest volcano on Mars and is almost 3 times as high as Mt. Everest.

Front 36

Oxygen

Back 36

a gas that makes up 21% of Earth's atmosphere. In order to survive, man must breathe in this gas.

Front 37

Phobos

Back 37

the inner satellite or moon of Mars. It shows low reflectivly. Appearing only as bright as earth's moom.

Front 38

Photosynthesis

Back 38

process by which plants use the suns energy to combine water and carbon dioxide to make food. The word means 'putting together with light'

Front 39

Planet

Back 39

a body is space which moves in an orbit around the sun. There are nine major planets win our solar system

Front 40

Polar caps

Back 40

on Mars, these sonsist of frozen carbon dioxide and wate. They expand and shrink with the changing of the seasons. The polar caps on Mars seem to have shrunk during the past 30 years.

Front 41

Polaris

Back 41

another name for the north star

Front 42

radiant

Back 42

in the form of rays

Front 43

Silicon

Back 43

one of the elements that makes up sand. This element can be made into solar cells

Front 44

Solar cells

Back 44

semiconductor devices composed of silicon wafers, which cnvert light directly into electricity.

Front 45

solar eclipse

Back 45

when the moon gets between a planet and the sun and darkens out part or all of the sun from the plantets view

Front 46

solar generator

Back 46

a machine made up of solar cells which produce electricity when sunlight shines upon it.

Front 47

solar storms

Back 47

high magnetic activity in the surface of the sun. This activityinterferes with the Earth's systems of communication.