History of the Universe
How long did it take for the big bang to occur?
A fraction of a second
What is hotter: a blue star or a red star?
Blue star
Which is larger: Mercury or Mars?
Mars
Which near-space object has a flaming tail?
A comet
Wave of light appear more _________ (color) as the expanding universe stretches them out
Red
How old is our solar system?
5 billion years old
What does a star become after leaving the Main Sequence?
A red giant or supergiant, depending on its mass
List the planets that are gaseous
Jupiter, Saturn, Uranus, Neptune
Which near-space object is found primarily in a band between Mars and Jupiter?
Asteroids
What do you call the array or light colors that a star gives off, and that we can use to identify the elements present in the star?
Spectrum
In what galaxy is our solar system?
The Milky Way
What happens to a star's volume as it becomes a red giant/supergiant?
It increases
From your Planets reading: Does Jupiter have seasons? Why or why not?
No, because it is only tilted 3.13 degrees, therefore each part of Jupiter gets the same amount of sunlight all year long
Which near-space object causes seasonal showers of shooting stars?
Meteors
What color(s) do Hydrogen and Helium give off as they burn?
Yellow and orange
What was the speed of the Big Bang?
Faster than the speed of light
What feature of stars makes the difference in how a star will end its life?
Mass- the smallest stars become white dwarfs, larger stars become neutron stars, and the largest collapse into black holes
Use your Planets reading: Which planets in our solar system have water or ice on their surface (in the form of ice), other than Earth?
According to the reading: Mars (ice), Saturn (rings are made of ice), Uranus (composed of water and other elements/compounds), Neptune (same)
Where do meteoroids come from?
They are usually chunks of rock from comets, asteroids, or moons
What is the space between the peaks of a wave of light called?
Wavelength
How hot was the Big Bang?
Infinitely hot
What do scientists call the infinitely dense point where a black hole "ends?"
A singularity
Here are the three criteria a planet needs to meet:
Which one does Pluto not meet? Refer to your Planets reading if you need!
#3: It has not cleared its orbit of other objects (it is pulled into Neptune's orbit)
What is special about a comet's orbit, BESIDES it orbiting the sun?
It is elliptical
The type of spectrum that shows ONLY the exact colors given off by a light source, against a black background, is called:
An Emission Spectrum