6Th Science Stars And Space

Front 1

What are glowing balls of gasses?

Back 1

Stars

Front 2

What is a star made up of?

Back 2

hydrogen, helium and other elements

Front 3

What is the magnitude of a star called?

Back 3

its brightness

Front 4

What does the magnitude depend on?

Back 4

size
temperature
distance from the sun

Front 5

What is apparant magnitude?

Back 5

HOW BRIGHT A STAR IS. CLOSER THE STAR IS TO US THE BRIGHTER IT IS!

Front 6

How are classified by brightness?

Back 6

1) with naked eye= +1 (brighest) to +6 (faintest)
2) with a telescope= -29 (or more) to +29 or more

Front 7

How bright a star really is based on all the stars being the SAME DISTANCE from earth is called what?

Back 7

true brightness or ABSOLUTE MAGNITUDE

Front 8

What determines color of stars?

Back 8

Surface temperature

Front 9

What color is the cooles star?

Back 9

RED

Front 10

What color is the hottest star?

Back 10

BLUE

Front 11

What kind of stars are small to medium like our sun?

Back 11

Dwarf

Front 12

Which stars are ten to hundreds times larger a more luminous than the Sun?

Back 12

Giant stars

Front 13

Which stars are hundreds of times larger than the sun and thousands of times brighter?

Back 13

Supergiants

Front 14

What is the distance light travels in one year.

Back 14

light years

Front 15

What kind of strs regulary change in magnitude, brightness?

Back 15

Variable stars

Front 16

What does Novas mean?

Back 16

New

Front 17

How does the Novas form?

Back 17

When existing star suddenly flares up and becomes hundreds or thousands of times brighter than normal

Front 18

Is it common for Novas to be seen?

Back 18

Not common

Front 19

How can you see a Novas?

Back 19

Only through a telescope

Front 20

What is a Nebulus?

Back 20

a nova that spews gasses and debris IN A CLOUD

Front 21

What is the death explosion of a star/

Back 21

Supernovas

Front 22

When some supergiant collapses what is this called.

Back 22

Neutron stars

Front 23

What causes the supergiant to collapse?

Back 23

Extreme pressure in the star's core crushes the protons and electrons together to form neutrons.

Front 24

When a supergiant runs out of fuel and "disappears" what it called?

Back 24

Black Hole

Front 25

How do the Black Holes happen?

Back 25

1. Gravitation force is so great that core cannot stop collapsing
2. The gravitaional force of b. h. is so great that it pulls light and everything else into it.
3. 2 stars are near each other and gases from one star appear to sprial into a black hole. The light seems to disappear

Front 26

What are a group of stars that seem to form a pattern perceived as a shape, design, or figure.

Back 26

Constellations

Front 27

Are they imaginaery shapes designs or figures?

Back 27

Yes

Front 28

Who are the constellations often named after?

Back 28

mythological characters, animals or objects in nature

Front 29

How many official constellations are there?

Back 29

88

Front 30

300 year before Christ, aGreek poet did what ?

Back 30

Aratus of Soli listed 44 constellations

Front 31

Common constellations are ?

Back 31

Leo the Lion - Draco the Dragon
Great Bear -Ursa Major
Cassiopeia -Orion, Hunter
Pleiades -Taurus the Bull

Front 32

Are the Big and Little Dippers considered constellations?

Back 32

No

Front 33

What is the Big Dipper part of?

Back 33

Great Bear or Ursa Major

Front 34

What does the Big Dipper line up with/

Back 34

The North Star and lines up with the North Pole

Front 35

What asterism is the North Star at the beginning of the handle?

Back 35

Little Dipper

Front 36

constellations that revolve around the North Star are called what?

Back 36

Circumpolar

Front 37

What do you call a device that aides in observing objects that are far away?

Back 37

Telescope

Front 38

Who was the first person to make scientific discoveries with the telescope/

Back 38

Galileo

Front 39

Did Galileo invent the telescope/

Back 39

No but he did reinvent it

Front 40

Which telescope bends light to make an object seem larger?

Back 40

Refracting telescope

Front 41

What problem does the refracting telescope have?

Back 41

causes colors to be distorted

Front 42

Which telescope reflects light to make objects seem larger?

Back 42

Reflective telescope

Front 43

Who invented the reflective telescope?

Back 43

Sir Isaac Newton

Front 44

What are the problems that telescope on Earth have?

Back 44

Must view things through thousands of meter of atmosphere which is constantly moving and carries dust particles, or water droplets and PICTURES AREN'T CLEAR

Front 45

Which telescope stays above the Earth's atmosphere all the time?

Back 45

Hubbe Space Tele.

Front 46

What do Radio telescopes collect?

Back 46

radio waves from space

Front 47

What does the Spectroscope do?

Back 47

Breaks down a stars light into all its colors?

Front 48

What does the Spectroscope provide us with?

Back 48

1) informtion about temperature and compositions of the star
2) How the heavenly bodies are moving.
3) If moving away from Earth then they have LONGER waveslengths
Colors shift to red of spectrum

Front 49

What are groups of stars called/

Back 49

Star Clusters

Front 50

Which cluster has thousands of stars in no arrangment?

Back 50

OPEN CLUSTER

Front 51

Which cluster has thousand to millions of stars arrange in the shape of a ball?

Back 51

GLOBULAR CLUSTER

Front 52

Whis a star system of milllion or billions of stars and covers light years of space?

Back 52

GALAXY

Front 53

Which galaxy has about 300 billion stars?

Back 53

Ours in the Milky Way

Front 54

What shape is the Milky Way?

Back 54

Spiral