Exam 1 v.2

52 flashcardsby normaldere
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1
How many constellations are in the night sky?
88
2
What is the zero point also known as?
The first point of aries or the Vernal Equinox
3
How old is the universe?
13.7 billion years
4
What is the farthest we can see?
Cosmic Microwave Background Raditation
5
What was the earliest sign of life?
Cambrien Explosion
6
Distance to the sun?
1 AU
7
What does 63,936 AU equal?
1 LY
8
What is a grouping of stars in the sky called?
Asterism
9
Angle around the sky
Azimuth
10
Highest point in the sky
Zennith
11
How much is the Earth tilted?
23.5 degrees
12
Tampa's latitude?
28.1 degrees
13
Equation for declination
Dec >/ 90-latitude
14
What are the circumpolar constellations?
Ursa Minor, Ursa Major, Draco. Cassiopeia, Cepheus, Camelopardalis
15
Which constellation contains the pole star?
Ursa Minor
16
Which constellation contains delphacephei?
Cepheus
17
Who discovered delphacephei?
Henrietta Leavitt
18
What constellation does Draco wrap around?
Ursa Minor
19
What star used to be the pole star?
Thuban
20
What is Draco's alpha star?
Thuban
21
What usually makes a star alpha in a constellation?
Its brightness
22
What is the faintest circumpolar constellation?
Camelopardalis
23
Which two planets spin the wrong way?
Venus & Uranus
24
Best place to view a star?
Observers Meridian
25
Pleiades
7 daughters of Atlas whom Orion pursues. Changed into stars, 2 of them have famous children.
26
Who discovered that the milky way was full of stars?
Galileo
27
What the first human made radio transmission?
1894 Marconi
28
What constellation does Antares reside?
Scorpio
29
What constellation does Spica reside?
Virgo
30
What does Cassiopeia look like?
31
What does cepheus look like?
32
What are the major arms of the milky way?
Scutum Centaurous & Perseus Arm
33
What is the name for the "sun's neighborhood" where the Earth resides?
Orion Spur
34
Who is our largest companion?
Andromeda
35
Arbiter of all things astronomical
IAU (International Astronomical Union)
36
First elements
Hydrogen, helium, lithium
37
How many minutes in an arc
60
38
Who invented magnitude?
Hipparchus
39
The brightest star in the night sky
Sirius
40
Two stars in big dipper that point to polaris
Merak and Dubhe
41
What hemisphere is there no pole star?
Southern hemisphere
42
What element does red stand for?
Sulfate
43
What constellation does the band of the milky way go through?
Cassiopeia
44
What constellation has had the most supernovae?
Cepheus
45
What element does green stand for?
Hydrogen
46
What element does blue stand for?
Oxygen
47
What does yellow represent?
A mix of elements
48
Where is the sun during the equinox?
Celestial Equator
49
Who discovered Pluto?
Clyde Tombaugh
50
Where is Pluto located?
Kuiper Belt
51
Three rules for a planets
1: Round 2: Orbit the sun 3: Orbit clear of debris
52
What direction does the Earth rotate?
counter clockwise
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