Across
- 2. Often, it's a group of stars that looks like a particular shape in the sky and has been given a name. T
- 5. a system of organizing units of time for the purpose of reckoning time over extended periods.
- 8. in Space, Many orbiting spacecraft study the Earth from above as a whole system—observing the atmosphere, ocean, glaciers, and the solid earth.
- 9. the point where the Sun appears to reach either its highest or lowest point in the sky for the year
- 10. a circular movement of an object around a centre of rotation.
- 13. a natural object in space that is massive enough for gravity to make it approximately spherical
- 14. Stars are the most widely recognized astronomical objects, and represent the most fundamental building blocks of galaxie
- 15. the point where the Sun appears to reach either its highest or lowest point in the sky for the year
Down
- 1. Comets are cosmic snowballs of frozen gases, rock, and dust that orbit the Sun. When frozen, they are the size of a small town
- 3. Earth is a satellite because it orbits the sun.
- 4. Scientists collecting a meteorite from the Miller Range in Antarctica.
- 6. an imaginary straight line around which an object spins.
- 7. a period of drastic change in scientific thought that took place during the 16th and 17th centuries
- 11. Sky from Earth, an unobstructed view upward from the surface of the Earth
- 12. can be natural, like Earth or the moon. Many planets have moons that orbit them.