Nodes

Science / Astrology / Nodes: The two points in a planet's orbit which intercept the Earth's path around the sun (otherwise known as the ecliptic).

Internodes

Science / Biology / Internodes: The stem regions between nodes in plants. MORE

Lunar Nodes

Science / Tides and Currents / Lunar Nodes: The points where the plane of the Moon's orbit intersects the ecliptic. The point where the Moon crosses in going from south to north is called the ascending node and the point where the crossing is f MORE

Ruthenium (Ru)

Science / Periodic Table of Elements / Ruthenium (Ru): Atomic number: 44, Atomic mass: 101.1 g.mol -1, Electronegativity: 2.2, Density: 12.2 g.cm-3 at 20°C, Melting point: 2250 °C, Boiling point: 4150 °C, Vanderwaals radius: 0.135 nm, Isotopes: 11, Ele MORE

Rhenium (Re)

Science / Periodic Table of Elements / Rhenium (Re): Atomic number: 75, Atomic mass: 186.23 g.mol -1, Electronegativity: 1.9, Density: 20.5 g.cm-3 at 20°C, Melting point: 3170 °C, Boiling point: 5627 °C, Vanderwaals radius: 0.138 nm, Ionic radius: un MORE

Node Cycle

Science / Tides and Currents / Node Cycle: Period of approximately 18.61 Julian years required for the regression of the Moon's nodes to complete a circuit of 360° of longitude. It is accompanied by a corresponding cycle of changing inclinati MORE

Palinode

Entertainment / Literature / Palinode: Singing again): A poem, song, or section of a poem or song in which the poet renounces or retracts his words in an earlier work. Usually this is meant to apologize or counterbalance earlier material. MORE

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