- margin of the umbra
- астрон. кайма тени
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Apulia Carbonate Platform — The Apulia Carbonate Platform in Apulia, Italy was a major palaeogeographic element of the southern margin of the Mesozoic Tethys Ocean. It is one of the so called peri Adriatic platforms, which are comparable to the Bahama Banks in their… … Wikipedia
Battle of Halys (585 BC) — Infobox Military Conflict conflict = Battle of Halys partof = caption = date = 28 May 585 BC place = Halys River result = Halys River declared the border between two warring nations combatant1 = Medes combatant2 = Lydians commander1 = Cyaxares… … Wikipedia
Penumbra (disambiguation) — The penumbra is the part of a shadow where the light source is only partially blocked.Penumbra may also refer to:* Penumbra (medicine), surviving tissue at the margin of an ischemic event (such as a stroke) which is in danger of hypoxia and… … Wikipedia
shade — I (New American Roget s College Thesaurus) n. shadiness, shadow, umbrage, gloom, gloaming, dimness, darkness; obscurity; duskiness; shading, tone; curtain, veil, film, haziness, haze, misti[ness], cloudiness; color, hue, tint; nuance, degree;… … English dictionary for students
Spherical Earth — Medieval artistic representation of a spherical Earth with compartments representing earth, air, and water (c. 1400). The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC … Wikipedia
James Webb Space Telescope — General information Organization NASA[1], with significant contributions from ESA and CSA … Wikipedia
List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… … Wikipedia