click below
click below
Normal Size Small Size show me how
Earth, Sun, & Moon 1
| Question | Answer |
|---|---|
| astronomer | scientist who studies space and celestial bodies |
| orbit | the path of one object in space around another object |
| axis | an imaginary line that passes from the North Pole to the South Pole through Earth’s center |
| rotate | to spin on an axis |
| revolve | to travel on an orbit around another object in space; causes seasons on the Earth |
| eclipse | one object in space casting its shadow on another object in space |
| solar flare | an eruption on the Sun's surface |
| sun spots | cooler areas on the sun |
| photosphere | the fiery outer layer of the Sun |
| crescent | the shape of the visible part of the moon when it is less than half full |
| gibbous | seen with more than half but not all of the moon lighted |
| waning | to appear to become thinner or less full |
| waxing | to appear to become larger or more full |
| meteor | a space rock that burns up as it passes through Earth's atmosphere; a "shooting star" |