Sentence examples for airplane balloon from inspiring English sources

Roughly 15 years ago, the federal agency that investigates air disasters made a plea for more data on the air-tour industry, to improve safety for helicopter, airplane, balloon and airship flights around the nation.

As shown in Figure 6 we used twelve color images "aerial," "airplane," "balloon," "couple," "earth," "girl," "lena," "mandrill," "milkdrop," "parrots," "pepper", and "sailboat" as original images.

People have flown around the world in an airplane, balloon, and spaceship, but no one has ever run around the world.

The powered airship developed from balloons, but, while the airship was eventually supplanted by the airplane, balloons have continued to find useful applications.

We could have robotic airplanes, balloons, and Jeep-size rovers exploring Mars (which has as much dry land as Earth does).

To find out whether carbon fertilization really works in nature, some scientists are mounting sensors on airplanes, balloons, and towers to detect any net movement of CO2 into the rainforest canopy or back out.

Elevated highways, train viaducts, airplane and balloon corridors are layered above the streets to serve the city as its buildings increased in height.

I also became interested in model airplanes, kites, balloons and rockets.

According to the report, about 22percentt of sightings were declared "unknown". That means their origin couldn't be determined even after all the evidence was in these were objects that didn't look like airplanes or balloons or any other discernible vessel.

Those photographs show a liminal realm--that's not the surface of the Earth, or the area where we're used to seeing airplanes and balloons fly, not with those clouds so far below, not with the black sky and the curvature of the Earth visible.

People do see UFOs (and some are seen from airplanes, like you asked) but they are often just an airplane, or a balloon, or something else that is natural or man-made.