Facts
What percent of the Earth's size is the Moon?
27%
the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
gravity
Moon appears to be growing
waxing
Start of Fall equal day and night
Fall/Autumn Equinox
instruments that gather info and sends it back to Earth, they can travel far into space
Space Probe
What is the Earth's axis tilt?
23.5 degrees
the quantity of matter in a body regardless of its volume or of any forces acting on it
mass
Moon appears to be shrinking
waning
Start of Spring equal day and night
Spring/Vernal Equinox
produce magnified images of objects by using visible light portion of the electromagnetic spectrum
optical telescope
What happens to the extra 6 hours on every year?
Leap Year
transverse, electromagnetic wave that can be seen by the typical human
light
No Moon
New Moon
Longest day of light in the year, start of summer
Summer Solstice
are used to study radio waves in space
radio telescope
What is the only known planet to sustain life?
Earth
a closed plane curve generated by a point moving in such a way that the sums of its distances from two fixed points is a constant
ellipse
Entire Moon illuminated by Sun
Full Moon
Shortest day of light in the year, start of winter
Winter Solstice
optical telescope that was put into space in 1990 by the space shuttle the Discovery, at first it did not work but 3 years later it was repaired by astronauts for the Endeavor
Hubble Telescope
How is radiation transmitted?
Electromagnetic Waves
process or act of turning or circling around something
rotation
When Sun, Earth, and Moon are all parallel to each other, their are lunar and solar eclipses
Eclipse
12 hours of light and dark
Equinox
man made satellites
Artificial Satellites