astronomy quiz
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Question 1
How can you locate stars in the celestial sphere ?
a) Use a star map that pictures the sky at the month and time you are stargazing.
b) Locate them by their right ascension and declination on the celestial sphere.
c) Both of the above. -
Question 2
Place the following stars in the order greatest to least bright:
a) Sirius: Magnitude -1.46
b) Sun: Magnitude -26.72
c) Vega: Magnitude 0
d) Deneb: Magnitude 1
e) Polaris: Magnitude 2
f) Rigel: Magnitude 0.18
g) Aldebaran: Magnitude 0.87 -
Question 3
Using data provided in question 2, by what factor do the following stars differ in observed brightness:
i) Vega vs. Deneb: a) 1, b) 10, c) 6, d) about 2.5 ?
ii) Vega vs. Polaris a) about 6.3, b) about 2, c) about 5 ? -
Question 4
The prime meridian:
a) Is the equator.
b) Is a line of longitude.
c) Runs from pole to pole through Greenwich, England.
d) a and b.
e) b and c. -
Question 5
Angular distance above or below the celestial equator is called:
a) A pain in the neck.
b) Right ascension.
c) Declination.
d) None of the above. -
Question 6
In the northern hemisphere, the north celestial pole is located above your northern horizon:
a) At an altitude equal to your latitude.
b) At an altitude equal to your longitude.
c) Cannot be seen south of the equator.
d) b and c above.
e) a and c above.
f) None of the above. -
Question 7
You can find Polaris by:
a) Using a compass.
b) Looking for the Big Dipper.
c) Following the line of stars forming the handle of the Little Dipper.
d) Following the line of stars forming the handle of the Big Dipper
e) Following the pointer stars Dubhe and Merak in the Constellation Ursa Major.
f) a, b and c.
g) a, b and d.
h) a, b and e. -
Originally posted by ndmmxiaomayi:
b,a,c,f,g,d,e
[b]Question 2
Place the following stars in the order greatest to least bright:
a) Sirius: Magnitude -1.46
b) Sun: Magnitude -26.72
c) Vega: Magnitude 0
d) Deneb: Magnitude 1
e) Polaris: Magnitude 2
f) Rigel: Magnitude 0.18
g) Aldebaran: Magnitude 0.87[/b] -
Correct!!!Originally posted by RaTtY81:b,a,c,f,g,d,e
You know astronomy? -
i like astronomyOriginally posted by ndmmxiaomayi:Correct!!!
You know astronomy?
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Originally posted by ndmmxiaomayi:
c
[b]Question 1
How can you locate stars in the celestial sphere ?
a) Use a star map that pictures the sky at the month and time you are stargazing.
b) Locate them by their right ascension and declination on the celestial sphere.
c) Both of the above.[/b]
-
Originally posted by ndmmxiaomayi:
a, b
[b]Question 3
Using data provided in question 2, by what factor do the following stars differ in observed brightness:
i) Vega vs. Deneb: a) 1, b) 10, c) 6, d) about 2.5 ?
ii) Vega vs. Polaris a) about 6.3, b) about 2, c) about 5 ?[/b] -
Originally posted by ndmmxiaomayi:
e
[b]Question 4
The prime meridian:
a) Is the equator.
b) Is a line of longitude.
c) Runs from pole to pole through Greenwich, England.
d) a and b.
e) b and c.[/b] -
Originally posted by ndmmxiaomayi:
c
[b]Question 5
Angular distance above or below the celestial equator is called:
a) A pain in the neck.
b) Right ascension.
c) Declination.
d) None of the above.[/b] -
Originally posted by ndmmxiaomayi:
e
[b]Question 6
In the northern hemisphere, the north celestial pole is located above your northern horizon:
a) At an altitude equal to your latitude.
b) At an altitude equal to your longitude.
c) Cannot be seen south of the equator.
d) b and c above.
e) a and c above.
f) None of the above.[/b] -
Originally posted by ndmmxiaomayi:
h
[b]Question 7
You can find Polaris by:
a) Using a compass.
b) Looking for the Big Dipper.
c) Following the line of stars forming the handle of the Little Dipper.
d) Following the line of stars forming the handle of the Big Dipper
e) Following the pointer stars Dubhe and Merak in the Constellation Ursa Major.
f) a, b and c.
g) a, b and d.
h) a, b and e.[/b] -
Wah....Originally posted by RaTtY81:i like astronomy
mod liao -
CorrectOriginally posted by poon cho tang:c -
haven realised im a mod here -
All wrong. Try again.Originally posted by poon cho tang:a, b -
Wrong.Originally posted by poon cho tang:e -
Correct.Originally posted by poon cho tang:c -
Correct.Originally posted by poon cho tang:e -
Correct.Originally posted by poon cho tang:h
Time to do corrections like primary school kids. Each one ten times.
Just kidding. -
A bit slow ar....Originally posted by RaTtY81: haven realised im a mod here