ArcaMax

Knowledge

on Aug 7, 2025

Pioneer
Sputnik
Ariane
Mariner

Sputnik. Sputnik was launched by the Soviet Union on October 4, 1957.

Science Trivia / August 06, 2025

746 W. Horsepower rates engine performance.

Science Trivia / August 06, 2025

Occluded Front. An occluded front is the result of cyclogenesis when a cold front overtakes a warm front.

Science Trivia / August 05, 2025

Stamp Collector. Philatelists study stamps as well as postal history.

Science Trivia / August 05, 2025

Oceanographers. Oceanography, a branch of Earth science, is also called "marine science".

Science Trivia / August 04, 2025

Blue. Water reflects short wavelength light, like blue, thus giving it the appearance of being blue.

Science Trivia / August 04, 2025

Doldrums. The Doldrums is a band just north of the equator where winds of the north and south hemispheres meet.