Astro set 3
Card Set Information
Astro set 3
The point directly over your head is called
Our solar system consists of ________.
the Sun and all the objects that orbit it
What is a circumpolar star?
a star that always remains above
What conditions are required for a solar eclipse?
The phase of the Moon must be new, and the nodes of the Moon's orbit must be nearly
aligned with Earth and the Sun.
If you are located in the Northern Hemisphere,
which of the following correctly describes a relationship between the sky and
The altitude of the north celestial pole equals your latitude.
About how many stars are visible to the naked
eye on a clear, dark night away from city lights?
A couple thousand
Galileo saw four large Moons orbiting Jupiter,
thus providing evidence that supported the Earth Centered system.
Each choice below describes how a few
astronomical phenomena are related to time periods. Which list is entirely
correct? (Careful: Some lists are partially correct.)
rotation defines a day.
-The cycle of the Moon's phases takes about a month.
-Earth's orbit defines a year.
-Earth's cycle of axis precession takes 26,000 years
Which of the following is the reason for the
solar day being longer than a sidereal day?
the combined effect of the
rotation of Earth and its orbit about the Sun
A scientific model must make
an observational prediction.