Airplanes
When was the first airplane ever built?
1903
Who discovered gravity?
Isaac Newton
Which country sent the first human to space?
Russia
Can most passenger planes trim (flying up or down without manipulating the joystick or other controls)?
Yes
What was the loudest recorded sound in the whole world?
Krakatoa's eruption
How could a geomagnetic storm that has hit earth affect the sorrounding area?
geomagnetic storms and more
Did the Germans build the first jet plane?
Yes, in 1939.
What mammal lays eggs?
Duck-billed Platypus
When are NASA planning to send a unmanned spacecraft to the star system Alpha Centauri?
2069