Planets
What is the 2nd inner planet, and the 2nd outer planet, in the solar system?
Venus, Saturn
What are the 3 things a planet needs in order to be a real planet, not a dwarf?
What is made of rock/gas, have a spherical shape, and a cleared orbit.
What are comets made of?
Ice (frozen gas) and dust
Is our Sun a large, medium, or small star?
Medium
What are asteroids made of?
Rock and iron
What is the largest and the smallest planets in the solar system?
Jupiter, Mercury
What is the best known dwarf planet in our solar system?
Pluto
What distinguishing feature do comets have?
Tail
How many stars are in our Solar System?
One: the Sun
Where do most asteroids in our atmosphere come from?
Asteroid Belt
On which planet would you weigh more than 2.5 times your weight on Earth, Mars or Jupiter?
Jupiter
Which planet is Pluto closest to in size?
Mercury
Why do comets have tails?
The sun's heat begins to melt the ice into vapor
How many stars are in the Milky Way Galaxy?
Billions
What do you call asteroids that enter or pass through our atmosphere?
Meteors (or maybe shooting stars)
Which planet's orbit around the Sun takes almost 2 Earth years, Mercury or Mars?
What is Mars
Which planet's orbit does Pluto cross through?
What is Neptune's orbit?
This comet is probably the most well known and passes the Earth about every 75 years.
Halley's Comet
Is our Sun a Yellow Dwarf star or a Blue Giant star?
Yellow Dwarf
What do you call meteors that make it all the way to the Earth's surface without burning up?
Meteorites
Which planet is tipped sideways on its axis?
What is Uranus
In what year was Pluto demoted to dwarf planet by scientists?
What is 2006
Comets are found in two main regions of the solar system. Name at least one of the regions.
Kuiper Belt and Oort Cloud
Only the largest stars in the solar system do this at the end of their life cycle.
Blow up in a Super Nova explosion
_________ is the largest and most massive asteroid and the only one that is a dwarf planet.
Ceres