early astronomy
What is the study of all physical objects beyond the Earth called?
What is astronomy
What is the time required for the Earth to orbit the sun once
What is a year
What are the two factors considered when measuring stars on the H-R diagram?
What temperature and magnitude
True or false: Without gravity, there would not be stars
True
What is the galaxy that we live in called?
What is the milky way
Who were the first to make significant progress the field of astronomy
What is babylonians
One ____________ is roughly the amount of time required for Earth to rotate once on its axis
What is day
The term for bigger white dwarf stars (large stars)
What is neutron star
True or False: All planets have their own moons
What is false
What is a group of stars, dust, and gases held together by gravity?
what is a galaxy
Who invented algebra?
What is ancient arabic
How bright a star is (or appears to be)
what is magnitude
What is the stage where a star expands 100’s to 1000’s the size of main-sequence star?
What is red giant/super giant phase
What is the most current theory for the formation of the moon?
What is the moon formed from a collision between another body and Earth.
What type of galaxy is disk-shaped with arms extending from the center?
What is spiral galaxy
What is the oldest stone circle in the world called?
What is Nabta Playa
Without ______, stars would not develop.
What is gravity
A cluster of stars form in a nebula. There are red, blue, yellow, and white stars. Which stars are most like the sun?
What is yellow
Select one planet (besides earth) and list 2 characteristics of that planet
Answers may vary
List the 3 different types of galaxies
What is spiral, elliptical, and irregular
Roughly the amount of time required for the moon to orbit the Earth once
What is a month
What are the 3 different parts of the H-R diagram?
What is main sequence line, white dwarfs, and red giants
What could be formed as a result of a supernova?
What is a neutron star or black hole
List the planets in our solar system in order
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is the name of the spiral galaxy closest to us?
What is andromeda