Nuclear Energy
The three kinds of rockets are solid fuel rockets, liquid fuel rockets, and ion powered rockets.
Although several spacecrafts have been sent to Venus, no alien spacecrafts have been discovered on its surface.
spacecrafts
spacecrafts
Fuel is so useful to spacecrafts because without the fuel the spacecraft would not go.
spacecrafts
the first two spacecrafts to land on mars were 2 vikings from NASA, the national aeronautics and space administration
two
i think astronauts
Why is this under 'Eating Disorders?'
The answer is mars.