the force that acts toward the center of the orbit
1 of 6
what is the order of planets from the sun?
mercury venus earth mars jupiter saturn uranus neptune (pluto)
2 of 6
what is a light year
the distant light travels in an year
3 of 6
what are the advantages and disadvantages of of unmanned space craft?
Advantages: do not put lives at risk , can go in places where conditions are deadly Disadvantages:have to be reliable because it cannot make decisions or repair,expensive
4 of 6
how do we send back information about space to earth?
using probes
5 of 6
What is the theory for how the moon was formed?
was a result of the collision between two planets in the same orbit. the iron core of the other planets melted and joined with the earth's core, less dense rocks began to orbit and they joined together to form our moon
6 of 6
Other cards in this set
Card 2
Front
what is the order of planets from the sun?
Back
mercury venus earth mars jupiter saturn uranus neptune (pluto)
Card 3
Front
what is a light year
Back
Card 4
Front
what are the advantages and disadvantages of of unmanned space craft?
Back
Card 5
Front
how do we send back information about space to earth?
Comments
No comments have yet been made