atmosphere radiation monitor
71Clouds and the Earth's Radiant Energy System — Artist representation of CERES instruments scanning Earth in Rotating Azimuth Plane mode. Clouds and the Earth s Radiant Energy System (CERES) is on going[update] NASA climatological experiment from Earth …
72mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …
73meteor and meteoroid — ▪ astronomy Introduction respectively, a glowing streak in the sky (meteor) and its cause, which is a relatively small stony or metallic natural object from space (meteoroid) that enters Earth s atmosphere and heats to incandescence. In modern… …
74rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
75List of Doctor Who universe creatures and aliens — This is a list of fictional creatures and aliens from the universe of the long running BBC science fiction television series Doctor Who, including Torchwood, The Sarah Jane Adventures and K 9. It covers alien races and other fictional creatures,… …
76Effects of global warming — This article is about (primarily) effects during the 21st century. For longer term effects, see Long term effects of global warming. The variou …
77Liste der Erdbeobachtungssatelliten — Das ist die Liste der Erdbeobachtungssatelliten. Chronologische Übersicht (unvollständig) Inhaltsverzeichnis: 1960er · 1970er · 1980er · 1990er · 2000er · 2010er Startdatum Mission Bild Organisation (Land) Bemerkung 1960er …
78volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… …
79Radiocarbon dating — (sometimes simply known as carbon dating) is a radiometric dating method that uses the naturally occurring radioisotope carbon 14 (14C) to estimate the age of carbon bearing materials up to about 58,000 to 62,000 years.[1] Raw, i.e. uncalibrated …
80Mars Observer — Artist rendering of Mars Observer in orbit around Mars. Operator NASA / JPL …
