Solar System 1
What is a shooting star?
meteoroid
What is solar wind?
a flow of charged particles from the Sun's corona
Planets travel in circles. True or False?
False - ellipses
What is a meteorite?
a meteoroid that enters Earth's atmosphere and strikes the ground
What is a comet?
small body of loosely packed ice, rock, gas, and cosmic dust that gives off a tail of gas and dust as it passes near the Sun
What is the Kuiper Belt?
the region of the solar system outside of Neptune's orbit
What is a sunspot?
darker, cooler regions on the Sun's photosphere
Why do stars twinkle?
they are farther away than planets
What is an Oort Cloud?
a spherical region that surrounds the solar system
What is a coma?
the halo of gas and dust around a comet
Name the two types of light telescopes.
Refracting and Reflecting.
What is a prominence?
fiery bursts of gas that shoot out into space and loop back to the Sun's surface
What did Kepler contribute to astronomy?
3 laws of Planetary Motion
What is a period of revolution?
The period of time it takes a planet to revolve around the sun
What is a meteroid?
a small, rocky body that orbits the sun
What is the sun made of and how does it release energy?
Hydrogen/Helium & Nuclear Fusion
What is a solar flare?
storms on the Sun's surface that send out bursts of radiation and particles
Which planets have rings?
Gas Giants - Jupiter, Saturn, Uranus, Neptune
What is a dirty snowball?
comet
What is an asteroid?
minor plants that orbit the sun
What is a period of rotation?
How long it takes a planet to rotate around it's axis
What is an aurora?
bands of colored or white light in the atmosphere caused by charged particles from the Sun interacting with Earth's upper atmosphere
Name the planets in order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Name the layers of the sun in order.
core, radiative zone, convective zone, photosphere, chromosphere, corona
What is a meteor?
the bright streak of light caused by a meteoroid burning up