Astronomy
What is the study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs and the natural world.
Astrology
Write in scientific notation: 625
6.25 x 102
What is a collection of stars?
Galaxy
Define three differences between Astronomy and Astrology?
Astronomy is a science that studies everything outside of the earth's atmosphere, such as planets, stars, asteroids, galaxies; and the properties and relationships of those celestial bodies. Astronomers base their studies on research and observation. Astrology, on the other hand, is the belief that the positioning of the stars and planets affect the way events occur on earth.
During the first six years of its operation, the Hubble Space Telescope circled Earth 37,000 times, for a total of 1,280,000,000 km. Use scientific notation to find the number of km in one orbit.
3.46 x 104 km
What material comes out from dying stars as they slowly "burn out", it also contains sparse distribution of gas (hydrogen) intermixed with tiny solid particles?
Interstellar dust
What is the description of a naturally occurring phenomena in the world?
In a sense, the “rules” of the game that nature plays.
In 2015, the richest human being on our planet had a net worth of $80.2 billion. Some might say this is an astronomical sum of money. Express this amount in scientific notation.
8.02 x 1010 usd
What is the term for the group pf stars that shares an origin and location that are tied up together?
Star clusters
What is the study of the objects that lie beyond our planet?
It also studies the process by which these objects interact with one another.
Astronomy
If 1 light year is equivalent to 9.461 x 1012 km. What is its equivalent in miles?
1 light-year = 5.879 x 1012 miles
How many year will it take for our star (the sun) to die?
5 or 6 billion years
What scientific term describes an attempt to explain why it happed?
Note that it changes a new information is gathered.
Theory
IAU is used to measure relative distance in space. The precise distance of IAU is 92955807miles. Convert this number to scientific notation. How many kilometers is this?
1.49 x 108 km
What galaxy is known as galaxy M31?
Andromeda Galaxy