| A | B |
|---|
| mercury | close planet to the sun |
| Pluto | Farthest from the sun |
| constellation | a name of a certain group of stars |
| Fusion | the process that powers our sun and other stars |
| white dwarf | the sencond to last stage in a stars life |
| Nebula | first stage in a stars life |
| light year | the distance light travels in a year |
| Parallax | is the apperent shift in the postion of an object when viewed from two different postions |
| lunar eclipse | when earths shadow falls on the moon |
| solor eclipse | occurs when the moon is directly between the sun and earth |
| Albert Einstien | he descoved e=m2 |
| the earth seasons | this happens because of the suns orbit and tilt of the earth's axis |
| summer solstice | starts June 21 |
| winter solstice | it is tilted away from the sun |
| equinox | on this day there is 12 hours of day and 12 hours of night |
| moon | it takes it 29 days to get around the earth |
| waxing phase | the phase when the moon is almost a full moon |
| new moon | this is when a solar eclipes occurs |
| hottest Planet in the solar system | Venus |
| inner planets | Mercury,Venus,Earth,Mars they are all close in density and size |
