What law is this? An object at rest stays at rest and an object in motion stays in motion unless acted upon by an outside, unbalanced force
Newton's 1st Law
Which celestial object is a loose collections of ice, dust, or rock particles whose orbits are usually very long, narros elippses.
Comets
Most asteroids revolve around the sun between the orbits of what 2 planets?
+100 points for the name of this region
Mars & Jupiter
*Asteroid Belt*
What does the Greek word "planet" mean?
wanderer
Name the 8 phases of the moon.
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
Full Moon
Waning Gibbous
Last Quarter
Waning Crescent
What law is known as the "Law of Inertia"
Newton’s 1st Law
Name 1 part of a comet.
1. Coma
2. Nucleus
3. Ion Tail
4. Dust Tail
The ________ __________ is a doughnut shaped region that extends from beyond Neptune’s orbit to about 100 times Earth’s distance from the sun.
Kuiper belt
Mercury, Venus, Earth, and Mars are sometimes referred to as what type of planets?
Terrestrial
How does the moon get its light?
It is the sun reflecting off the surface of the moon that creates light.
What is the formula for Newton's 2nd Law?
F=mxa
How many tails does a comet have?
2
True or False
Most comets are found in one of two distant regions of the solar system, the Kuiper Belt and the Orb Cloud.
False
Kuiper Belt and Oort Cloud
Why is Jupiter sometimes called a "mini solar system"?
It has 61+ moons (and counting)
Captures smaller objects because of its gravity
Unlike Earth, the moon takes approximately ___ days to complete one rotation.
29
More Force= More __________
Acceleration
What 2 parts of a comet make up the head.
_______ ________ occur when Earth passes through a comet or asteroid debris trail.
Meteor Showers
Why is Mars called the "Red Planet"?
Iron oxide, or rust, covers its surface, giving it a reddish color
Is this waxing or wanning.
The bright part of the Moon grows each night.
Waxing
The more massive an object, the _______ its gravitational pull.
stronger
Which English astronomer predicted that comets follow periodic orbits?
Edmond Halley
Halley’s Comet follows a regular 76-year orbit around the Sun. In what year will it next return?
2061
What are the names of Mars' moons?
Phobos & Deimos
Earth’s only permanent natural satellite is ranked what number in size among all natural satellites in the solar system?
5th