| astronomy |
questions |
| leap year |
a year when 4 extra days is added to the calender |
| zenith |
point directly above you |
| astrolab |
instrement that measures the angle between the horizon |
| absolute magnitude |
brightness of a star |
| asteroid |
small rocky body that revolves around the sun |
| appartent magnitude |
how bright a star appers to a observer |
| calender |
system for organizing time |
| asteroid belt |
region of solar system that contains most asteroids |
| constellation |
a section of the sky that contains reconizable star patterns |
| day |
time requierd for earth to rotate once on its axis |
| eclipse |
event which the shadow of ones celestial body that falls on another |
| ellipse |
a closed curve |
| light year |
unit of legnth equal to the distance light travels in space |
| meteriod |
a small rocky body that revolves around the sun |
| moon |
a natural satilight |
| retrograde rotation |
clockwise spin of a planet or moon |
| revolution |
elliptical motion of a bodyas it orbits another body in space |
Biology Lab Midterm
