Final 2016

Question 1

About Refracting telescopes

Answer 1

Expensive
2 sided finish
precise 
heavy
Lens

Question 2

Reflecting telescopes

Answer 2

Mirrors
lighter in weight
can fold
light bounces back

Question 3

The shortest wavelength is

Answer 3

GammaRay

Question 4

The longest wavelength is

Answer 4

Radio waves

Question 5

The colors of the electromagnetic spectrum from longest to shortest

Answer 5

Red Orange yellow Green violet

Question 6

What is the goal of the NASA great observatories

Answer 6

Image the universe in all wave lengths

Question 7

What does the Hubble Telescope detect in

Answer 7

UV

Question 8

What does the Chandra telescope detect in

Answer 8

X-ray

Question 9

Spritzer detects in….

Answer 9

Infrared

Question 10

Compton detects in……..

Answer 10

Gamma rays

Question 11

1 Parsec is how many AU’s

Answer 11

206,264 AU’s

Question 12

1 Parsec is how many light years

Answer 12

3.26 ly

Question 13

Hubble constant is based on …

Answer 13

The expansion rate of the universe

Question 14

1 AU is how many km

Answer 14

1.496 x 10 to the 8th km

Question 15

1 AU is how many miles

Answer 15

9.3 x 10 to the 7th miles

Question 16

One light year is how many miles

Answer 16

9.46 x 10 to the 15th mile

Question 17

One light year is how many kilometers

Answer 17

9.46 x 10 to the 12th km

Question 18

1 light year is how many AU

Answer 18

62239

Question 19

Gravity (four forces)

Answer 19

Force of attraction between objects

Question 20

Electromagnetic (four forces)

Answer 20

Opposites attract,same repel. Holds the atom together

Question 21

Strong nuclear (four forces)

Answer 21

Glues the nucleus together

Question 22

Weak Nuclear (four forces)

Answer 22

Radioactive decay nucleus breaks down

Question 23

Factor that will determine the fate of our universe

Answer 23

Critical density

Question 24

Open universe

Answer 24

Density lowers
less gravity
recedes outwards
Cold death

Question 25

Closed universe

Answer 25

Expands outward then contracts inward

Question 26

blueshift

Answer 26

Objects moving toward the earth

Question 27

Red shift

Answer 27

Objects moving away from earth

Question 28

Milky Way galaxy is what type of galaxy

Answer 28

Barred spiral

Question 29

Age of our universe

Answer 29

13.8 billion years old

Question 30

Constellations are....

Answer 30

Groups of stars that form a pattern or picture on the sky

Question 31

Are the three classifications of galaxies

Answer 31

Spiral,elliptical and Irregular galaxies

Question 32

Open star clusters characteristics

Answer 32

``` Young hot stars Spread further apart Gas and dust fewer stars Disk ```

Question 33

Globular star cluster

Answer 33

``` Spherical shape Lots of stars Read all the stars no star formation halo bulge ```

Question 34

Most common elements of stars

Answer 34

Hydrogen and helium