Science Keywords

4. A space flight technique that uses the severity of a planet to alter the path and speed of a spacecraft.
11. terrestrial planets are Earth-like planets made of rocks or metals with a hard surface.
13. is the numerical difference between the minimum and maximum values of temperatures
14. It is the Earth plaque movement
15. Is the color of the Martian surface. Because the iron oxide prevalent on its surface gives it a reddish appearance
16. They have a lot of common features, so they are called

1. It’s a probe of Mars
2. It is the surface smoothed ( levigata) by natural agents
3. an atmosphere is a layer of gases surrounding a planet
5. Water is in a solid state
6. It’s the chemical compound most present in the atmosphere of Uranus and neptune
7. It’s the rotation of Venus end it turn clockwise but unlike most planets spin counterclockwise
8. A gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis
9. It’s the color of the atmosphere of Uranus and Neptune
10. a circular or an almost circular area having a depressed floor
12. The surface of Mars is irregular