ASTRONOMY UNIT FLASHCARDS

Question 1

What are the sun layers?

Answer 1

Core, radiation zone, convection zone, photosphere, chromosphere, corona.

Question 2

What is the Perihelion?

Answer 2

When the object in space is the clostests to it’s foci (Earth is closets to the Sun)

Question 3

What is Aphelion?

Answer 3

When the object in psace is the farthest from its foci (Earths farthest point from the sun)

Question 4

What is an annalema?

Answer 4

The picture or graph of the suns positions going in a figure eight.

Question 5

Degree of the Arctic Circle?

Answer 5

66.6° N and S

Question 6

Degrees of the Tropics of Capricorn/Cancer?

Answer 6

23.5° N and S

Question 7

What are the Equinox Names?

Answer 7

Vernal and autumnal

Question 8

How long is the sun up in Winter, Autumn/Spring, and Summer?

Answer 8

9 hours, 12 hours, 15 hours

Question 9

What is the Sidereal Month?

Answer 9

The moons orbital period

Question 10

How long is the Sidereal Month?

Answer 10

27.33 Days

Question 11

What is the Synodic Month?

Answer 11

The time period from one New moon to the next

Question 12

How long is the Synodic Month?

Answer 12

29.53 Days

Question 13

How far is the Moon from the Earth?

Answer 13

386,000 Km/ 240,000 mi

Question 14

What are the phases of the moon in order?

Answer 14

New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter and Waning Crescent

Question 15

How often do Neap tides change?

Answer 15

2 times a month

Question 16

How long apart are 2 high tides and 2 low tides?

Answer 16

6 hours and 12 minutes apart

Question 17

How long is a lunar eclipse?

Answer 17

7.5 minutes

Question 18

What side of the Waxing Moon is the shadow?

Answer 18

On the left

Question 19

What side of the Waning Moon is the shadow?

Answer 19

On the right

Question 20

How many minutes later does the moon rise each day?

Answer 20

50 minutes

Question 21

What is the latitude of Polaris in New York?

Answer 21

43° N

Question 22

What is the retrograde motion?

Answer 22

When the planets make looping motions

Question 23

What is the Suns highest point called?

Answer 23

Zenith

Question 24

What is the zenith in Summer, Autumn/Spring, and Winter

Answer 24

70.5°, 47°, and 23.5°

Question 25

What is the degree of the North and South Poles?

Answer 25

90°

Question 26

What is the Earths axis degree?

Answer 26

23.5°

Question 27

In what order does an average star go before it blows up?

Answer 27

Average Star, Red Giant, Planetary Nebula, to a White Dwarf

Question 28

In what order does a massive star go before it blows up?

Answer 28

Massive Star, Red Supergiant, Supernova, to a Black hole or Neutron Star

Question 29

When was the universe made?

Answer 29

13.7 billion years ago

Question 30

When was space made?

Answer 30

13.7 billion years ago

Question 31

When were the galaxies made?

Answer 31

First form 13-11 B.Y.A

Question 32

When was the Milky way made?

Answer 32

13.6 billion years ago

Question 33

When was our solar system made?

Answer 33

5 billion years ago or 5 B.Y.A

Question 34

When was Earth made?

Answer 34

4,600 million or 4.6 B.Y.A

Question 35

What are the different types of galaxies?

Answer 35

Elliptical, Spiral, Barred Spiral, and Irregular

Question 36

When is someones shadow the longest?

Answer 36

When the sun is setting

Question 37

What does AM and PM stand for?

Answer 37

Ante-Meridian and Post-Meridian