Planets
If a planet is small and heavy and made out of rocks and metals, is it a Jovian or Terrestrial planet?
Terrestrial
What color star has a temperature of 25000K and a luminosity of 102?
Blue
What makes a comet unique?
Made of ice and dust, has 2 tails
What is the most common element in the Universe?
Hydrogen
In which galaxy we live in and what is its shape?
The Milky way
If a planet is farther from the sun in its orbit, is it moving faster or slower?
Slower
Describe two identifying factors of a Jovian planet.
Made out of gas, large, moves swiftly, light, likely to have rings and multiple moons
Consider the main sequence stars. As temperature decreases, what happens to luminosity?
Decreases
How are a meteoroid and an asteroid different?
A meteoroid is smaller than an asteroid.
An asteroid is larger than a meteoroid.
What happened to the universe during the Big Bang and is still currently happening?
The universe expanded and continues to do so
In roman mythology, which of the following planets was called the god of the underworld.
a)Mercury b) Saturn
c) Pluto d) Mars
Pluto
An ellipse
What causes the Seasons on Earth?
Earth's Tilt
What can a massive star end as?
(Hint: there are TWO options)
Black hole or neutron star
How are a meteor and a meteorite different?
A meteor is in the atmosphere while a meteorite has landed on the Earth's surface.
What is a nebula?
Cloud of dust and gas where stars and planets are formed
What do we call the phases that are slowly revealing the more of the moon (going from New moon to full)?
Waxing phases
Saturn and Mercury both orbit the sun. Which one takes longer to do one revolution?
Saturn
Why is the Earth tilted?
A large rock, Theia, hit it
Where do all stars begin?
In a stellar Nebula
Match the following with their definitions:
1. Moon a. ball of plasma powered by fusion
2. Asteroid b. large rocky body orbiting something other than the Sun
3. Star c. small body of ice and dust with 2 tails that orbits the Sun
4. Comet d. small body of rock and metal that orbits the sun
1. b 2. d 3. c 4. a
What causes black holes?
Gravity
what was the name of the first artificial space satellite put into orbit by humans and what country was responsible for it's launch in 1957?
Erstwhile USSR (Russia)
What keeps the planets from flying away from the sun? (Keeps them in orbit)
Gravity
What causes the tides on Earth?
Gravity! (specifically the moon's)
What color is a star that has a luminosity of 104 and a temperature of 2,500K?
Red
Match the following with their definition
1. Meteoroid a. small rock landed on the Earth
2. Meteorite b. Small rock orbiting Sun
3. Meteor c. Small rock in our atmosphere
1. b 2. a 3. c
What does a nebula create?
Stars!
and sometimes planets
How many people have stepped foot on the moon? (closest answer gets the points)
12
What is the time of Earth's rotation and revolution and in what direction does it rotate ( East to west or West to East)?
Rotation: 24 hrs or 1 day
Revolution: 365 days or 1 year