Space Flashcards
Unmanned object sent to space to collect data, samples, and pictures.
Space Probe
Tool used to observe the composition of stars.
Spectroscope
An unmanned tool that orbits objects
Satellites
Telescope that uses mirrors and lenses
Reflecting Telescope
Telescope that uses lenses only
Refracting Telescope
Disk like galaxy, flattened sphere
Elliptical Galaxy
Galaxy with no definite shape
Irregular Galaxy
Galaxy that is flattened disk with two or more arms
Spiral Galaxy
A collection of dust, gases, and stars
Galaxy
Planets that are small and rocky
Terrestrial
Planets that are made up of gases
Gaseous Planets
Mercury, Venus, Earth, and Mars
Inner Planets
Jupiter, Saturn, Uranus, and Neptune
Outer Planets
Large chunks of rocks that orbit the sun, usually found between Mars and Jupiter
Asteroids
Smaller pieces of asteroids
Meteoroids
Meteoroids that enter the atmosphere
meteors
Meteoroids that hit the Earth
Meteorites
Icy chunks of rocks. Form tails as the get close to the sun.
Comets
Orbit planets
Moons
Orbit the Sun
Planets
First layer of Sun’s atmosphere. The layer you can see.
Photosphere
Middle layer of the Sun’s atmosphere known for its orange red color.
Chromosphere
Outermost layer of the Sun’s atmosphere, crown like.
Corona
Cooler darker regions on the Sun’s surface.
Sunspot
When a sunspot erupts and releases solar winds
Solar Flare
When two sunspots connect in a loop of gases
Prominences
Causes day and night
Rotation
Causes the seasons
Earth’s revolution around the sun, and Earth’s tilt.
Spinning
Rotation
Takes a year or 365 days
Revolution
Takes 24 hours
Rotation
Orbiting
Revolution
Causes the sun to rise in the east and set in the west
Rotation
Longest day
Summer solstice
Longest Night
Winter Solstice
Equal amount of day and night
Equinox
Waxing
Adding light onto the moon. Heading into a full moon.
Waning
Taking light off. Heading into a new moon.
Crescent
1/4 of moon lit. Mostly dark.
Gibbous Moon
Mostly lit. 3/4 lit
Full Moon
Entire lit side is showing. Earth between sun and moon.
New Moon
No lit side showing. Moon is between Earth and Sun.
What causes the moon phases?
The revolution of the moon. Based on the moons position, on certain amounts of the lit side is seen.
Eclipse
Shadowed
Lunar eclipse
When Earth puts a shadow on Moon.
Solar eclipse
When Moon puts a shadow on Earth.
Which eclipse is viewed during the day?
Solar eclipse
Which eclipse is viewed at night?
Lunar Eclipse
Which eclipse is the moon between the Sun and Earth?
Solar eclipse
Which eclipse is the Earth between the Sun and Moon?
Lunar eclipse
What moon is associated with the solar eclipse?
New moon
What moon phase is associated with the lunar eclipse?
Full moon
Darkest part of shadow
Umbra
Lightest part of shadow
Penumbra
Neap tide
Little difference between high tide and low tide.
When does a neap tide occur?
When the Sun, Earth, and Moon are at right angles. During 1st or 3rd Quarter moons.
Spring Tide
Highest high tide, and lowest low tide.
When do spring tides occur?
When Earth, Sun, and Moon are aligned. At Full moon or New moon phases.
Low tide
When the tide level recedes.
High tide
When the tide level rises.
What causes tides?
The moon’s and Sun’s gravitational pull on Earth’s water. The moon has a greater pull because it is closer.
What causes objects in space to stay on their orbital path?
Gravity
What keeps the objects in space in motion?
Inertia
Weight
Amount of gravitational pull of an object.
Mass
Amount of matter in an object.
How does a different planet affect the weight of an object?
Weight will increase if the planet has more mass than Earth, it will decrease if it has less mass than Earth.
How does distance affect gravity
Gravitational pull is stronger the closer it is.
Tool used to measure mass, and unit of measure
Tool: triple beam balance, unit: gram
Tool used to measure weight, and unit of measure:
Tool: Spring scale, Unit of Measure: newtons
