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and advanced aerodynamics
Kepler-186f is the first Earth-size planet discovered in the potentially 'habitable zone' around another star
Tugging and flexing from Jupiter's gravity generates enough heat to keep the ocean from freezing
The galaxy's Cepheid variables and supernovae are essential tools for astronomers to calibrate cosmic distances
PZL TS-11 Iskra Size:100x140 cm and advanced aerodynamicsThe PZL TS 11 Iskra is a Polish jet trainer aircraft that was developed in the late 1950s and entered service with the Polish Air Force in 1964. The Iskra was designed as a replacement for the earlier PZL TS 8 Bies trainer, and it was also intended to serve as a light attack aircraft. The Iskra is a single engine, two seat aircraft that features a low wing design and a swept wing configuration. The aircraft is powered by a single Ivchenko AI 25
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