наутички самракот

The line marking the apparent junction of Earth and sky. For the technical definition, please follow this link to the U.S. Naval Observatory's Astronomical Applications.

плазма

Aerospace; Space flight

Electrically conductive fourth state of matter (other than solid, liquid, or gas), consisting of ions and electrons.

Марс

Aerospace; Space flight

Fourth planet from the sun, a terrestrial planet.

должина

Aerospace; Space flight

Great circles that pass through both the north and south poles, also called meridians.

локално време

Aerospace; Space flight

Time adjusted for location around the Earth or other planets in time zones.

светлосна година

Aerospace; Space flight

A measure of distance, the distance light travels in one year, about 63,197 AU.

брзина на светлината

Aerospace; Space flight

299,792 km per second, the constant c.

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Industry/Domain: Holiday Category: Unofficial holidays

Големиот американски Smokeout

Гледано секоја година од 1977 година, големиот американски Smokeout се одвива на третиот четврток од ноември. Спонзорирано од Американското здружение ...