The Solar System And Beyond Flashcards
The path one object travels around another object.
Orbit
The force of attraction between any two objects due to their mass.
Gravity
The tendency of an object to keep moving in a straight line.
Inertia
One complete trip of one object around another object.
Revolution
A complete spin on an axis.
Rotation
An instrument that makes distant objects seem larger.
Telescope
The sun and all objects that orbit around it is called the
Solar system
A _______________ is any objects that orbits another larger body
Satellite
A _____________ is a large round object in space that orbits a star
Planet
_____________ is the 1st planet from the Sun
Mercury
________________ is the 2nd planet from the Sun
Venus
_______________ is the 3rd planet from the Sun
Earth
_______________ is the 4th planet from the Sun
Mars
_______________ is the 5th planet from the Sun
Jupiter
________________ is the 6th planet from the Sun
Saturn
_______________ is the 7th planet from the Sun
Uranus
______________ is the 8th planet from the Sun
Neptune
_______________ planets are made of rock and ice and their orbits cross the paths of other space objects
Dwarf
The _____________ is the center of the Solar System
Sun
_____________ and ______________ keep the Earth and all other planets in orbit around the Sun
Gravity Inertia
The _______________ is the only natural satellite of the Earth
Moon
The moon’s gravity affects the Earth because it causes the Earth’s ________________.
Tides
When half of the Earth’s surface faces the Sun we are having __________________
Daylight
When half of the Earth’s surface faces away from the Sun we are having _________________.
Darkness
________________ is the way something seems to move
Appearent motion
As the Earth rotates from West to East objects appear to move from ________________ to _________________
East. West
The Sun does not _______________
Move
Earth’s orbit around the Sun takes __________________ days or one year
365 1/4
The ________________ happen because of both the Earth’s tilted axis and its revolution around the Sun
Season
When the Northern Hemisphere tilts away from the Sun it is having ______________ and the Southern Hemisphere is having summer
Winter
When the Northern Hemisphere tilts toward the Sun it is having ______________ and the Southern Hemisphere is having winter
Summer
The Northern Hemisphere’s summer solstice occurs around ________________ each year
June 21
The Northern Hemisphere’s winter solstice occurs around _____________
December 21
An 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 cannot escape it
Black Hole
The distance light travels in a year
Light year
A star that can
