# Practice Qs - Flashcards

## Flashcard Deck Information

 Class: ASTR 154L - ASTRONOMY LAB Subject: Astronomy University: California State University - Northridge Term: Spring 2015
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 Express 39 degrees 50 arc minutes as a decimal degree, rounding to two decimal places 39.83 Express 42 degrees 35 arc minutes as a decimal degree 42.58 Express 15 degrees 20 arc minutes as a decimal degree keeping two decimal places. 15.33 1.98 degrees is equal to 1 degree and _____ arc minutes. 59
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 5.13 degrees is equal to 5 degrees and ___ arc minutes. 8 Express 12 hours 38 minutes as hours keeping two decimal places. 12.63 Express 5 hours 51 minutes as hours keeping two decimal places 5.85 1.50 hours is equal to 1 hours and ___ minutes. Round to the nearest whole minute. 30
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 8.08 hours is equal to 8 hours and ____ minutes. Round to the nearest whole minute 5 4:00 PM PST on June 1 is which of the following in Universal Time? 00:00 June 2 UT 7:00 PM PST on April 2 is which of the following in Universal Time 03:00 April 3 UT 16:00 UT on August 20 is which of the following in Pacific Standard Time? 8:00 AM PST on August 20
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 Convert 76 degrees and 49 minutes to a decimal degree. 76.82 74.94 degrees is 74 degrees and ________ minutes 56 Convert 17 hours and 9 minutes to a decimal hour 17.15 Convert 04:30 UT June 14 to PST 8:30 PM June 13
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 What is defined as being zero degrees altitude? Horizon From what place on earth would you view the North Celestial Pole at your zenith? The North Pole What measures the number of degrees north or south of the Celestial Equator Declination The Red Star in the lecture video has a right ascension of how many hours? 4
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 The Red Star in the lecture video a declination of how many degrees? between -13 and -17 What are the right ascension and declination of the star Betelgeuse in the constellation Orion? 05h 55m RA +8 degrees Dec What are the right ascension and declination of the star Spica in the constellation Virgo? 13h 25m RA -11 degrees Dec What are the right ascension and declination of the star Arcturus in the constellation Bootes? 14h 15m RA +19 degrees Dec
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 What are the right ascension and declination of the star Sirius in the constellation Canis Major? 06h 45m RA -17 degrees Dec The object found at 18h 35m RA and +39 degrees declination is named? Vega The object found at 09h 30m RA and -9 degrees declination is located in the constellation? Hydra The object found at 16h 25m RA and -27 degrees declination is named? Antares
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 M31 is found in the constellation? Andromeda Find the star named Alderamin residing in the constellation of Cepheus. Select both the correct Right Ascension and Declination of this star 62 Degrees21 hours 15 minutes Find the star named Deneb residing in the constellation of Cygnus. Select both the correct Right Ascension and Declination of this star 20 hours 45 minutes45 Degrees Find Star at the location having a Right Ascension of 14h 50min and a Declination of +74°. Select both the correct Star and Constellation names Ursa MinorKocab
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 Find Star at the location having a Right Ascension of 0h 40min and a Declination of +56°. Select both the correct Star and Constellation names CassiopeiaSchedar What are the Right Ascension and Declination of the star Procyon in the constellation CANIS MINOR 7 hours 40 mins RA +5 degrees Dec What are the Right Ascension and Declination of the star Rigel in the constellation ORION 5 hours 10 mins RA -8 degrees Dec What are the Right Ascension and Declination of the star Diphda in the constellation CETUS 0 hours 45 mins RA -18 degrees Dec
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 An object with a RA of 6 hours 40 mins and a declination of -7 degrees would be in the constellation of Monoceros An object with a RA of 18 hours 40 mins and a declination of -32 degrees would be in the constellation of Sagittarius What star has a right ascension of 14h 05m and a declination of +65 degrees? Thuban What are the right ascension and declination of the star Thuban in the constellation of DRACO? 14 hours 05 mins RA 65 degrees Dec
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 What is the right ascension of the star Capella, in the constellation of Auriga? 5 hours 20 minutes An object with a RA of 5 hours 40 mins and a declination of +40 degrees would be in the constellation of Auriga Have the date set to October 15 of the current year and the time to 10:00 pm. Now face south and select two constellations from the list that appear in the southern sky at this time AquariusGrus Now face north and select two constellations from the list that appear in the northern sky at this time. CepheusUrsa Minor
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 Now face west and select two constellations from the list that appear in the western sky at this time. AquilaSagitta Now face east and select two constellations from the list that appear in the esatern sky at this time TriangulumAries Direction of Star Movement Right/Up = EastSemicircle above sky = SouthRight/Down = WestCounterclockwise= North Face north and let time run forward with a 1 minute time flow rate.Notice that when you are looking north, there are some constellations that never set below our horizon (even in the daytime!). These are called North Circumpolar Constellations. Select two north circumpolar constellations. Ursa MinorCepheus
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 Start time forward at a 1 minute flow rate and notice that all the stars appear to move around the NCP but the NCP remains in the same position in our sky. In which constellation does the NCP appear in? Ursa Minor Watch the stars rise and note their general direction of movement. Which of the arrows in the diagram below best indicates the direction the stars appears to move? 1. b2. a3. c Change your viewing location to Boston, Mass., noting its latitude from the location list, and then face north. What is the altitude of Polaris to the nearest degree? 43 What is the altitude of Polaris to the nearest degree? 34
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 Change your viewing location to Anchorage, Alaska noting its latitude from the location list, and then face north. Again find the altitude of the North Star. What is the altitude of Polaris to the nearest degree? 61 If you know your "location" in the northern hemisphere then you also know the approximate altitude of the "north star". How is this so? Your latitude is the same as the altitude of the "north star". The altitude of the north celestial pole above the horizon is determined by the observer's __________ on the Earth. Latitude The apparent daily motion of the stars in our sky is due to the Earth's _______. Rotation
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 T/F: All stars in our sky rise somewhere along the eastern horizon once every day. False Looking east you see the stars rise vertically straight up from the horizon, where are you? Equator Select four constellations which appear on the meridian at 8PM PST on March 15 LynxUrsa MinorPuppisDraco What constellation is closest to the zenith at 8PM on March 15 Lynx
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 What constellation on the Sun’s path (the ecliptic) will be rising at 8PM on March 15? Virgo At 8PM March 15, in what direction would you need to look to view the constellation of Eridanis south west What constellation appears at the zenith at 1AM on March 16? Canes Venatici What constellation is closest to the zenith at 8pm on June 30? Bootes
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 What constellation on the celestial equator culminates at 8pm on June 30? Virgo What constellation is closest to the zenith at 8pm on September 20? Cygnus What constellation is closest to the zenith at 8pm on January 15? Perseus What constellation on the ecliptic is on the meridian at 8pm on January 15? Taurus
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 At what time does the star Sirius in the constellation of Canis Major rise on May 15? 10AM At what time does the star Sirius in the constellation of Canis Major set on August 15? 2PM At what time does the star Sirius in the constellation of Canis Major culminate on December 15? 1AM At what time does the star Vega in the constellation of Lyra culminate on May 15? 3AM
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 At what time does the star Vega in the constellation of Lyra culminate on August 15? 9PM At what time does the star Vega in the constellation of Lyra culminate on December 15? 1PM During any given day, about how many hours is Sirius above our horizon? 10 hours During any given day, about how many hours is Vega above our horizon? 18 hours
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 In what constellation does the Sun appear on April 5? Pisces Why do stars undergo their daily motion in the sky? because the Earth is rotating on its axis Set the star wheel locator to 8PM on April 24. What constellation is closest to the zenith at this time? Ursa Major Set the star wheel locator to 8PM on April 24. What constellation on the celestial equator is setting? Orion
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 Set the star wheel locator to 8PM on April 24. What constellation on the celestial equator is rising? Serpens Set the star wheel locator to 8PM on April 24. Which of the following constellations are culminating? AntilaLeo Set the star wheel locator to 8PM on April 24. Name the circumpolar constellation that is farthest west at this time Camelopardalis Set the star wheel locator to 8PM on April 24. In which direction would you need to look to view Canis Major? Southwest
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 Now turn the star wheel. At what time does the star Spica (in VIRGO) reach culmination on April 24. 11PM
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## List View: Terms & Definitions

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Back
Express 39 degrees 50 arc minutes as a decimal degree, rounding to two decimal places39.83
Express 42 degrees 35 arc minutes as a decimal degree42.58
Express 15 degrees 20 arc minutes as a decimal degree keeping two decimal places.15.33
1.98 degrees is equal to 1 degree and _____ arc minutes.59
5.13 degrees is equal to 5 degrees and ___ arc minutes.8
Express 12 hours 38 minutes as hours keeping two decimal places.12.63
Express 5 hours 51 minutes as hours keeping two decimal places5.85
1.50 hours is equal to 1 hours and ___ minutes. Round to the nearest whole minute.30
8.08 hours is equal to 8 hours and ____ minutes. Round to the nearest whole minute5
4:00 PM PST on June 1 is which of the following in Universal Time?00:00 June 2 UT
7:00 PM PST on April 2 is which of the following in Universal Time03:00 April 3 UT
16:00 UT on August 20 is which of the following in Pacific Standard Time?8:00 AM PST on August 20
Convert 76 degrees and 49 minutes to a decimal degree.76.82
74.94 degrees is 74 degrees and ________ minutes56
Convert 17 hours and 9 minutes to a decimal hour17.15
Convert 04:30 UT June 14 to PST8:30 PM June 13
What is defined as being zero degrees altitude?Horizon
From what place on earth would you view the North Celestial Pole at your zenith?The North Pole
What measures the number of degrees north or south of the Celestial EquatorDeclination
The Red Star in the lecture video has a right ascension of how many hours?4
The Red Star in the lecture video a declination of how many degrees?between -13 and -17
What are the right ascension and declination of the star Betelgeuse in the constellation Orion?05h 55m RA +8 degrees Dec
What are the right ascension and declination of the star Spica in the constellation Virgo?13h 25m RA -11 degrees Dec
What are the right ascension and declination of the star Arcturus in the constellation Bootes?14h 15m RA +19 degrees Dec
What are the right ascension and declination of the star Sirius in the constellation Canis Major?06h 45m RA -17 degrees Dec
The object found at 18h 35m RA and +39 degrees declination is named?Vega
The object found at 09h 30m RA and -9 degrees declination is located in the constellation?Hydra
The object found at 16h 25m RA and -27 degrees declination is named?Antares
M31 is found in the constellation?Andromeda
Find the star named Alderamin residing in the constellation of Cepheus. Select both the correct Right Ascension and Declination of this star62 Degrees
21 hours 15 minutes
Find the star named Deneb residing in the constellation of Cygnus. Select both the correct Right Ascension and Declination of this star20 hours 45 minutes
45 Degrees
Find Star at the location having a Right Ascension of 14h 50min and a Declination of +74°. Select both the correct Star and Constellation namesUrsa Minor
Kocab
Find Star at the location having a Right Ascension of 0h 40min and a Declination of +56°. Select both the correct Star and Constellation namesCassiopeia
Schedar
What are the Right Ascension and Declination of the star Procyon in the constellation CANIS MINOR7 hours 40 mins RA +5 degrees Dec
What are the Right Ascension and Declination of the star Rigel in the constellation ORION5 hours 10 mins RA -8 degrees Dec
What are the Right Ascension and Declination of the star Diphda in the constellation CETUS0 hours 45 mins RA -18 degrees Dec
An object with a RA of 6 hours 40 mins and a declination of -7 degrees would be in the constellation ofMonoceros
An object with a RA of 18 hours 40 mins and a declination of -32 degrees would be in the constellation ofSagittarius
What star has a right ascension of 14h 05m and a declination of +65 degrees?Thuban
What are the right ascension and declination of the star Thuban in the constellation of DRACO?14 hours 05 mins RA 65 degrees Dec
What is the right ascension of the star Capella, in the constellation of Auriga?5 hours 20 minutes
An object with a RA of 5 hours 40 mins and a declination of +40 degrees would be in the constellation ofAuriga
Have the date set to October 15 of the current year and the time to 10:00 pm. Now face south and select two constellations from the list that appear in the southern sky at this timeAquarius
Grus
Now face north and select two constellations from the list that appear in the northern sky at this time.Cepheus
Ursa Minor

Now face west and select two constellations from the list that appear in the western sky at this time.Aquila
Sagitta
Now face east and select two constellations from the list that appear in the esatern sky at this timeTriangulum
Aries
Direction of Star MovementRight/Up = East
Semicircle above sky = South
Right/Down = West
Counterclockwise= North
Face north and let time run forward with a 1 minute time flow rate.Notice that when you are looking north, there are some constellations that never set below our horizon (even in the daytime!). These are called North Circumpolar Constellations. Select two north circumpolar constellations.Ursa Minor
Cepheus
Start time forward at a 1 minute flow rate and notice that all the stars appear to move around the NCP but the NCP remains in the same position in our sky. In which constellation does the NCP appear in?Ursa Minor
Watch the stars rise and note their general direction of movement. Which of the arrows in the diagram below best indicates the direction the stars appears to move?1. b
2. a
3. c
Change your viewing location to Boston, Mass., noting its latitude from the location list, and then face north. What is the altitude of Polaris to the nearest degree?43
What is the altitude of Polaris to the nearest degree?34
Change your viewing location to Anchorage, Alaska noting its latitude from the location list, and then face north. Again find the altitude of the North Star. What is the altitude of Polaris to the nearest degree?61
If you know your "location" in the northern hemisphere then you also know the approximate altitude of the "north star". How is this so?Your latitude is the same as the altitude of the "north star".
The altitude of the north celestial pole above the horizon is determined by the observer's __________ on the Earth.Latitude
The apparent daily motion of the stars in our sky is due to the Earth's _______.Rotation
T/F: All stars in our sky rise somewhere along the eastern horizon once every day.False
Looking east you see the stars rise vertically straight up from the horizon, where are you?Equator
Select four constellations which appear on the meridian at 8PM PST on March 15Lynx
Ursa Minor
Puppis
Draco
What constellation is closest to the zenith at 8PM on March 15Lynx
What constellation on the Sun’s path (the ecliptic) will be rising at 8PM on March 15?Virgo
At 8PM March 15, in what direction would you need to look to view the constellation of Eridanissouth west
What constellation appears at the zenith at 1AM on March 16?Canes Venatici
What constellation is closest to the zenith at 8pm on June 30?Bootes
What constellation on the celestial equator culminates at 8pm on June 30?Virgo
What constellation is closest to the zenith at 8pm on September 20?Cygnus
What constellation is closest to the zenith at 8pm on January 15?Perseus
What constellation on the ecliptic is on the meridian at 8pm on January 15?Taurus
At what time does the star Sirius in the constellation of Canis Major rise on May 15?10AM
At what time does the star Sirius in the constellation of Canis Major set on August 15?2PM
At what time does the star Sirius in the constellation of Canis Major culminate on December 15?1AM
At what time does the star Vega in the constellation of Lyra culminate on May 15?3AM
At what time does the star Vega in the constellation of Lyra culminate on August 15?9PM
At what time does the star Vega in the constellation of Lyra culminate on December 15?1PM
During any given day, about how many hours is Sirius above our horizon?10 hours
During any given day, about how many hours is Vega above our horizon?18 hours
In what constellation does the Sun appear on April 5?Pisces
Why do stars undergo their daily motion in the sky?because the Earth is rotating on its axis
Set the star wheel locator to 8PM on April 24. What constellation is closest to the zenith at this time?Ursa Major
Set the star wheel locator to 8PM on April 24. What constellation on the celestial equator is setting?Orion
Set the star wheel locator to 8PM on April 24. What constellation on the celestial equator is rising?Serpens
Set the star wheel locator to 8PM on April 24. Which of the following constellations are culminating?Antila
Leo
Set the star wheel locator to 8PM on April 24. Name the circumpolar constellation that is farthest west at this timeCamelopardalis
Set the star wheel locator to 8PM on April 24. In which direction would you need to look to view Canis Major?Southwest
Now turn the star wheel. At what time does the star Spica (in VIRGO) reach culmination on April 24.11PM