Solar System And Beyond Lesson 2 Flashcards
A natural or artificial object in space that circles around another object
Satellite
The appearance of the shape of the moon at a particular time
Phase
The regular rise and fall of the water level along a shoreline
Tide
A blocking of the suns lights that happens when earth passes through the moons shadow
Solar eclipse
A situation that occurs when earth the sun the moon are in a straight line and earths shadow falls across the moon
Lunar eclipse
one of many small rocky objects between mars and Jupiter
Asteroid
A chunk of rock from space that travels through earths atmosphere
meteor
A mixture of ice frozen gases rock and dust left over from the formation of the solar system
Comet
A object in space that produces its own energy including heat and light
Star
A huge cloud of gas and dust in space that is the first stage of star formation
Nebula
An object whose gravity is so strong that light can escape it
Black hole
The distance light travels in a year
Light year
A star that can no longer turn helium into carbon it’s cools and shrinks becoming very small and dense
White dwarf
Any of the patterns that are formed by a group of starts in the night sky
Constellation
A star that produced more energy than gravity can hold together and has exploded
Supernova
As the earth revolves around the sun, the_________revolves around the earth
Moon
The moon orbits around the earth takes ________
29 days
The apparent shapes of the moons are called
Phases
_________phase is when you can’t see the moon at all
New moon
________ phase is when you see a sliver of the moon
Cresent moon
__________phase is when the moon appears smaller
Waning phase
_______phase is when the moon appears larger
Waxing phase
The moons gravitational pull causes the tides and it happens twice a day the rise and fall of the tides are called a _______ and _____
High tide and low tide
________ are small rocky or metallic object that orbits the sun in both the inner and outer regions of the solar system surface
Meteoroids
____________is a meteor that hits the earths surface
Meteorites
The head of a comet is made up of a __________ and nucleus
Coma
A _______ is formed when the heat from the suns rays pushes some of the coma way from the comet
Glowing tail
Stars have different colors. Colors occur because of the surface_________ of each star
Temperature
Sun temperature makes it look _________
Yellow
Cooler stars appear _________ or __________
Red or orange
Warmer stars appear ________ or ________
White or blue
The sun is about _________________ years old.
5 billion years old
It takes 8 minutes for _________to reach earth
Light
Astronomers use __________ to describe the great distance between stars
Light years
Constellations are named after ____________ or objects
Animals, fictional character, or objects
There are ______ constellations
88
Travelers can use the Big Dipper or the Little Dipper to find _________ which tells you which direction is____________
Polaris and north
The sun contains 99% of the solar systems total__________
Mass
92% of the sun is made up of _________gas
Hydrogen
___________are the sudden release of energy from the suns atmosphere
Solar flares
_______phase is almost a full moon
Gibbous moon
