- As the distance between two objects decreases, the orbital velocity _______________.
- In which part of the orbit will the gravitational pull between the Sun & Earth be weakest?
- Which type of Solar System object is most abundant? (There are more of these in the Solar System than anything else!)
- In which part of the orbit will the planets velocity be greatest?
- The asteroid belt is located between the planets of ______ and _______
- How many stars have been found in the Solar System?
- How many asteroids have been found in the Solar System?
- What is the fundamental force of nature that causes all things in the solar system to orbit the Sun?
- What is the missing force in Kepler's 3 Laws of Planetary Motion that Newton later discovered?
- An asteroid with an orbit that crosses Earth's orbit is call a(n) __________ object
- Eros and Toutatis represent real asteroids. (They actually exist in the real world)
- Based on the definition of the "Solar System" all objects in the system interact with & therefore belong to _________.
- Who made accurate measurements of objects in space before the invention of a telescope?
- A small piece of an asteroid (< car sized) is called a ___
- How many moons have been found in the Solar System?
- How many dwarf planets have been found in the Solar System?
- All objects of the Solar System orbit the Sun
- Which astronaut discovered sunspots and the sun's rotational period?
- How many planets have been found in the Solar System?
- How close does an asteroid or comet have to be to be considered an NEO?