asteroid
description
Transcript of asteroid
![Page 1: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/1.jpg)
asteroid
• a small rocky object in space
![Page 2: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/2.jpg)
axis
• a line through the center of a sphere or planet
![Page 3: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/3.jpg)
comet
• an object in space that is made mostly of ice and dust and may appear to have a “tail”
![Page 4: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/4.jpg)
eclipse
• the hiding of a planet or the moon by the shadow of another; a way in which planets, moons, and stars (such as the Sun) line up so that one creates a shadow hiding the view of another
![Page 5: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/5.jpg)
ecliptic
• the plane of Earth's orbit around the Sun
![Page 6: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/6.jpg)
elliptical
• shaped in an oval
![Page 7: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/7.jpg)
gibbous
• showing more than half, but not the whole, especially of the moon
![Page 8: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/8.jpg)
gravity
• the pull of the earth on an object; a mutual physical force attracting two bodies, such as planets; the force of attraction between two or more objects, the strength of which is determined by mass and distance
![Page 9: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/9.jpg)
orbit
• a path that circles around something, especially a body in space such as a planet
![Page 10: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/10.jpg)
planet
• a large body in space that rotates around a star and does not give off light itself, but reflects light from the star
![Page 11: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/11.jpg)
rotation
• a spin; a turn around something
![Page 12: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/12.jpg)
satellite
• an object that goes around a larger body; an object that goes around a planet and is held in orbit by gravity
Satellites can be natural, like the moon (left), or man-made like this weather satellite (right).
![Page 13: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/13.jpg)
tide
• the rising and falling levels of the ocean that happens twice each day
![Page 14: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/14.jpg)
wane
• to shrink or become smaller
![Page 15: asteroid](https://reader035.fdocuments.net/reader035/viewer/2022070405/56813df1550346895da7cab9/html5/thumbnails/15.jpg)
wax
• to grow and become larger