Stargazer Quiz 5: Chapters 9-10 Flashcards
Planets lie roughly in the ___, which marks the path that the sun appears to travel.
ecliptic
Only Venus, the moon, and the sun shine brighter than ___.
Jupiter
The zones on Jupiter consist of higher altitude clouds made primarily of ___.
Ammonia
The four most visible moons of Jupiter are called the ___ satellites.
Galilean
The red spot ___ time is the time the red spot on Jupiter will be centered best for viewing.
Transit
Jupiter has a nearly ___-year orbital period.
12
Venus is often called “the evening star” or “the morning star” since it dominates the sky when near greatest ___.
Elongation
___ of Venus happen only twice per century, and hte two events are always separated by eight years.
Transits
Saturn is physically about ___ times the diameter of Earth.
nine
The division or “gap” between the A and B rings of Saturn is called the “___ ___.”
Cassini division
One can observe a “ring-less” Saturn when the planet is ___-___.
Edge-on
Mars only looks good when it is very near ___.
Opposition
The ___ Crater was the landing site for the science lab Curiosity
Gale
On Mars, the valley ___ often fills up with fog and so appears almost white.
Hellas
Mars has two tiny moons: ___ and ___.
Phobos, Deimos
Mercury is the closest planet to the sun, and takes only ___ days to complete one orbit.
88
A moderately large backyard telescope can theoretically view five moons of Uranus: Miranda, Ariel, Umbriel, ___, and ___.
Titania, Oberon
The only moon of Neptune visible with a moderately sized backyard telescope is ___.
Triton
Pluto is now a part of a new class of objects: the Trans-___ Objects (TNOs).
Neptunian
Near ___, Pluto is actually slightly closer to the sun than Neptune.
Perihelion
The brightness of stars as we see them from Earth are classified according to their “___ ___.”
Apparent magnitude
The seven classes of stars are subdivided into a range of ___ categories within each class (represented by a letter), and based on their ___ within a given temperature class.
ten, size
Double stars are called ___ stars.
binary
___, the southernmost star in the Southern Cross, is a visual binary.
Acrux
The ___-Russell diagram is a graph that plots the absolute magnitude of a star against its surface temperature.
Hertzsprung
