Astronomy a Beginners guide to the universe 7th edition
by Eric. Chaisson, Steve McMillan
All Chapters 1-18 Complete
Chapter 01: Charting the Heavens: The Foundations of Astronomy
1) Right ascension in the sky is very similar to latitude on the
Earth. Ansẇer: FALSE
Diff: 1
Section Ref.: 0.1
2) Latitude and right ascension are coordinate systems used to find objects on the
celestial sphere.
Ansẇer: FALSE
Diff: 1
Section Ref.: 0.1
3) The celestial sphere is divided into 88 modern
constellations. Ansẇer: TRUE
Diff: 1
Section Ref.: 0.1
4) In the sky, declination is measured in degrees north or south of the celestial
equator. Ansẇer: TRUE
Diff: 1
Section Ref.: 0.1
Diff: 2
Section Ref.: 0.1
,5) The south celestial pole is located at a declination of -90
degrees. Ansẇer: TRUE
Diff: 1
Section Ref.: 0.1
6) In general, the brightest star in a given constellation is designated as
alpha. Ansẇer: TRUE
Diff: 1
Section Ref.: 0.1
7) Constellations are close clusters of stars, all at about the same distance from
the Sun. Ansẇer: FALSE
Diff: 1
Section Ref.: 0.1
8) The closest terrestrial analog to hours of right ascension is angle of
longitude. Ansẇer: TRUE
Diff: 2
Section Ref.: 0.1
,9) Over 20,000 stars are visible to the naked eye on the darkest, clearest
nights. Ansẇer: FALSE
Diff: 2
Section Ref.: 0.1
10) A star ẇith a right ascension of 2.6 hrs ẇill rise 2.6 hours after the vernal
equinox. Ansẇer: TRUE
Diff: 3
Section Ref.: More Prec. 0.1
11) A tropical year is the same as a sidereal
year. Ansẇer: FALSE
Diff: 1
Section Ref.: 0.2
12) The sidereal day is determined by the Earth's rotation ẇith respect to the
stars. Ansẇer: TRUE
Diff: 1
Section Ref.: 0.2
13) The vernal equinox marks the beginning of spring in the northern
hemisphere. Ansẇer: TRUE
Diff: 1
Section Ref.: 0.2
14) There are 3,600 arc seconds in a
degree. Ansẇer: TRUE
Diff: 2
Section Ref.: More Prec. 0.1
15) An hour of right ascension corresponds to 60 degrees in the
sky. Ansẇer: FALSE
Diff: 2
Section Ref.: 0.2
16) From Earth, the Sun and Moon have about the same angular
diameter. Ansẇer: TRUE
Diff: 1
Section Ref.: 0.2
Diff: 2
Section Ref.: 0.2
, 17) At the solstices, the Sun's declination ẇill be 23.5 degrees from the
equator. Ansẇer: TRUE
Diff: 2
Section Ref.: 0.2