The Sun
The sun consists of ____ % of the mass in our solar system
99.8
Which planet is closest to the sun?
Mercury
True or False: There is a very limited amount of air in space
FALSE: there is no air in space - it is a perfect vaccum.
Which planet is the hottest, and Earth's closest neighboring planet?
Venus
What is found in the Asteroid belt?
millions of pieces of ice and rock
What constitutes a solar system?
Mars is warm during the day, the temperature plummets to -243 degrees Celsius at night.
Which two planets appear to be blue?
Uranus and Neptune
Planet earth is found in a region of space called the...
habitable zone
Approximately how far is it from the sun to the furthest planet, Neptune?
2.8 billion miles
What is the sun? what is it made of?
It is a star, made of burning gases
Which two planets are known as the gas giants?
Jupiter and Saturn
Why do scientists study mars?
Because we hope to one day be able to go to mars and possible inhabit it.
Because it is not too close (too hot) or too far (too cold) from the sun.
Millions of pieces of ice and rock also exist in the Kuiper belt, however the Kuiper belt is ______ times BIGGER than the asteroid belt.
20 times bigger!
Why are the model of the solar system that you can buy in stores not to scale?
1. The sun is massive compared to the planets
2. The planets are far apart from each other
Which planet has the most moons? How many moons does it have?
Jupiter
79 moons
What other planet has rings around it?
Uranus and Neptune
Where is the Kuiper belt found?
Past Neptune
Why to the planets stay in their orbit around the sun?
The sun is so massive that its gravitational force (pull) keeps them planets in orbit.
True or false: Saturn has solid rings around it?
False! The rings look solid, but are not
Which planet takes the longest to orbit the sun?
Neptune, it is the furthest from the sun and takes the longest to make its way around.