Unit 8 Flashcards
____ is a(n) arch through the highest point overhead and down to the horizon
Celestial meridian
The brightest star within a constellation is identified by the greek letters ____.
Alpha
The brightest star in our sky is located in _____.
Canis majoris
The north star is ____.
Polaris
_____ Constellation is composed of Castor and ____.
Gemini, Pollux
Another name for the Northern crown is _____.
Corona borealis
In ____ and ____, M31 is similar to the milky way.
Size, shape
_____ is recognizable because of the three stars that look like a belt.
Orion
Stars in constellations are classifies by the ___ name of the constellation in which they appear, preceded by an ____ letter.
Latin; Greek
“Opposite of Ares” Is the translation of ______.
Antares
The stars that are the closest to the solar system belong to the constellation _____.
Centaurus
Supergiant pulsing stars are called_____.
Cepheids
The ___ constellation is a long hook of stars.
Leo
The ______ nebulae has a shine because the stars within them heat the nebular material that surrounds it.
Emission
____ is also called the northern cross.
Cygnus The Swan
____ constellation rise four minutes earlier each day, and ____ constellation can be looked at any night because they never set below the horizon.
Non-Circumpolar, Circumpolar
When latitude measurements get close to the poles, _____ is used.
High Latitude
______ of any celestial body is the angular distance, delta, of the body above or below the celestial equator
Declination
When is it the best time to observe the sky?
On moonless nights and at the same time each night.
What two stars are known as pointer stars?
Merak and Dubhe
Differentiate latitude and longitude
Latitude- divides the earth into northern and southern hemispheres
Longitude- divides earth into eastern and western hemispheres.
How many constellations are there currently?
88
