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PHSC 121 Homeworks (5-7) 2nd Exam . All Questions & Correct, Verified Answers. Already Graded A+
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PHSC 121 Homeworks (5-7) 2nd Exam . All Questions & Correct, Verified Answers. Already Graded A+
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PHSC 121 Homeworks (5-7) 2nd Exam2024-2025. All Questions & Correct,
Verified Answers. Already Graded A+
A total solar eclipse occurs when the Moon is at or close to __________.
Shadow falls on the _________ and this endures for a __________ time
than a lunar eclipse.
a. perigee / Earth / shorter
b. apogee / Moon / longer
c. perigee / Moon / shorter
d. apogee / Moon / shorter
e. apogee / Earth / longer - ANSa. perigee / Earth / shorter
According to our text, both Jupiter and Saturn are made up mostly of
hydrogen and helium and neither planet has a solid surface.
T/F - ANST
All of the following statements are true. Which statement explains the
reason why there is not a solar eclipse at every new Moon?
a. The Moon passes through all of its angular positions relative to the Sun
and Earth, once each synodic period
,b. The Moon passes between the Earth and the Sun once each synodic
month
c. The Moon's period of revolution around the Earth and the Moon's period
of rotation are the same (take the same time)
d. The orbital plane of the Moon around the Earth is tilted about 5 degrees
to the ecliptic plane
e. The nodes of the Moon's orbit precess with an 18 year period - ANSd.
The orbital plane of the Moon around the Earth is tilted about 5 degrees to
the ecliptic plane
An astronomical unit is the distance from the ________ .
a. Earth to Neptune
b. Earth to the Moon
c. center of the Milky Way Galaxy to its edge (i.e. radius of the galaxy)
d. Earth to the Sun - ANSd. Earth to the Sun
At approximately what time would a full Moon be over your meridian?
a. noon
b. 9:00 p.m.
c. midnight
d. 6:00 a.m.
e. 6:00 p.m. - ANSc. midnight
At what time will a full Moon rise on your local horizon?
,a. midnight
b. 9:00 p.m.
c. 6:00 a.m.
d. 6:00 p.m.
e. noon - ANSd. 6:00 p.m.
Doppler shifting assumes what kind of change in emissions received from
an object, due to the object's movement?
a. change in temperature of light from the object
b. no change because an object's emissions do not change because of the
object's motion
c. change in X ray radiation from the object
d. change in frequency of light from the object
e. change in energy of emission from the object - ANSd. change in
frequency of light from the object
Earth is _________ AU from the Sun, has a surface temperature of
__________ deg K and is the only planet with _________ and _________
a. 1. / breathable oxygen / greenhouse gases
b. 1. / gaseous nitrogen / abundant water at the surface
c. 1. / abundant water / a magnetic field to protect against solar
radiation flares
d. 1. / breathable oxygen / an ozone shield - ANSd. 1. /
breathable oxygen / an ozone shield
, Emission is the...
a. process by which matter radiates light energy
b. process by which light passes through matter, while being partially
absorbed and changing direction
c. process by which light is absorbed by matter and changed into another
energy form
d. process by which light passes through matter without being absorbed -
ANSa. process by which matter radiates light energy
Exceptions to the rules for an orderly Solar System include which of the
following
a. Uranus rotates nearly on its side
b. Most large moons orbit around their parent planet in the same direction
the planet is rotating but many small moons rotate differently from this
c. Neptune rotates backward (opposite from the direction of the rest of the
planets)
d. a and b are true
e. a, b, and c are true - ANSd. a and b are true
he Sun is about __________________ times the size of the Moon and the
Earth to Sun distance is about _________________ times the Earth to
Moon distance.
a.
b.
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