Astronomy unit 1

Question 1

Planet

Answer 1

Anything that orbits a star

Question 2

Solar System

Answer 2

Sun, planets, and various other bodies

Star with planets

Question 3

Galaxy

Answer 3

Group of millions or billions of stars held together by their own gravity

Group of stars held together by gravity

Question 4

Universe

Answer 4

Everything- space &all the matters & energy in it

Everything

Question 5

Orbit

Answer 5

Path of an object in space as it moves around another object because of gravity

Path around another object

Question 6

Constellation

Answer 6

Group of stars that form a pattern in the sky

Group of stars that form a pattern

Question 7

Smallest to biggest

Planets, galaxy, moons, universe, stars, solar system

Answer 7

Moons, planets, stars, solar system, galaxy, universe

Question 8

What causes the different groupings of space objects?

Answer 8

Gravity

Question 9

What would happen to the pattern of stars in a constellation if viewed from the side?

Answer 9

It wouldn’t be the same pattern

Question 10

The North Pole points to which star?

Answer 10

Polaris

Question 11

Why do constellations appear to change position over time?

Answer 11

Because the Earth spins

Question 12

What are the so called “wanderers” that appear to move through a constellation?

Answer 12

The planets

Question 13

Electromagnetic Radiation

Answer 13

Energy that travels across distances as certain types of waves

Energy from the sun

Question 14

Spectrum

Answer 14

Range of wave lengths

Question 15

Wavelength

Answer 15

Distance between 2 peeks

Question 16

Telescope

Answer 16

Device that gathers electromagnetic radiation

Electromagnetic radiation

Question 17

Reflective telescope

Answer 17

Uses a mirror

Fat & short

Question 18

Refracting telescope

Answer 18

Uses lenses

Bends light

Long & skinny

Question 19

What is Earth’s major source of electromagnetic radiation?

Answer 19

Sun

Question 20

List 7 forms of the electromagnetic spectrum from LONGEST wavelength to SHORTEST

I only have 6 forms

Answer 20

Radio waves, microwaves, infrared, ultraviolet, x-rays, gamma rays

Question 21

Which category would the color blue belong to?

Answer 21

Visible light

Question 22

Why are the most powerful telescopes built on top of mountains?

Answer 22

Less atmospheric interpherence

Question 23

Why do radio telescopes have to be so large?

Answer 23

They pick up radio waves

Radio waves have a long/large wave length

Question 24

Why are radio telescopes usually grouped with other radio telescopes?

Answer 24

They combine the signals to make 1 image

Question 25

What advantages do radio telescopes have over light telescopes?

Answer 25

There's no atmospheric interpherence

Question 26

What is the Hubble space telescope?

Answer 26

A radio controlled reflecting telescope that travels through space

Question 27

Satellite

Answer 27

An object that orbits a more massive object Smaller object that goes around a bigger object

Question 28

Space Station

Answer 28

A large artificial satellite used as a long-term base for manned operations in space

Question 29

Flyby

Answer 29

Flys past planets & takes pictures Takes pictures of several planets

Question 30

Orbiter

Answer 30

Goes around planets & maps the surface Maps the surface

Question 31

Lander

Answer 31

Lands & collects samples

Question 32

Probes

Answer 32

Measures properties of atmospheres, before it's destroyed Measures atmosphere before it explodes

Question 33

List some of the supplies that astronauts need to bring with them into space

Answer 33

Water, food, oxygen/air, reliable equipment

Question 34

What 2 countries were in a race to the moon?

Answer 34

USA & Soviet Union (Russia) USSR

Question 35

What country launched the 1st satellite into space & also sent (Sputnik) the 1st human into space?

Answer 35

USSR (Russia/ Soviet Union)

Question 36

What country landed the 1st humans on the moon?

Answer 36

USA

Question 37

How much rock and soil was brought back from the moon?

Answer 37

380 kilograms (weighing 840 lbs)

Question 38

What is the international space station?

Answer 38

Orbits the Earth Satellite in which people live and work for long periods of time

Question 39

What experiments on the ISS are further understanding of cancer and other diseases?

Answer 39

Cell tissue experiments, grow very quickly in space

Question 40

What is the main difference between space shuttles and early space craft?

Answer 40

Shuttles can be reused

Question 41

Give an example how missions could or have been combined

Answer 41

Mars Rover

Question 42

Impact crater

Answer 42

1. A large object from space falls toward the surface at a very high speed 2. The object explodes as it strikes the surface, compressing and fracturing the rock underneath 3. As the rock springs back from the impact, material is thrown out of the crater A hole in the ground from an exploding space rock

Question 43

How do scientists learn about Earth by comparing it to other planets and moons?

Answer 43

How liquid water affects our atmosphere

Question 44

Why doesn't Earth have very many impact craters on it's surface?

Answer 44

It's constantly being worn down by wind and water and altered by forces beneath the surface (plate technics)

Question 45

What do scientists learn specifically about Earth's water by studying other planets atmospheres?

Answer 45

How liquid water affects our atmosphere

Question 46

What phenomenon do scientists think have caused periods of cooling on the Earth?

Answer 46

Some ice ages have been triggered by the sun having cooling periods

Question 47

List 2 examples of how space technology has improved different satellites around Earth

Answer 47

Mapping & weather

Question 48

Why does everything on a space craft have to be so lightweight and durable?

Answer 48

In order to take off it needs to be light There's no tow truck in space, your on your own

Question 49

What occupation has used space technologies to improve protective suits?

Answer 49

Firefighters improved because of the NASA programs

Question 50

Scientists have learned that gravity works the SAME way in space as it does on Earth True/false

Answer 50

True

Question 51

The moon has FEWER impact craters than Earth True/false

Answer 51

False, more