clark orbit
111981 in spaceflight — |6 January, 12:15 GMT |Soyuz U (R 7 11A511U) |Plesetsk |RVSN |Kosmos 1237 (Zenit 6U) |MOM |LEO |Reconnaissance |20 January 1981 |Successful |9 January, 14:57 GMT |nowrap|Molniya M/ML (R 7 8K78M/ML) |LC 41/1, Plesetsk |RVSN |Molniya 3 14 |MOM… …
12Asteroid-impact avoidance — Planetary defense redirects here. For defending against alien invasion in fiction, see alien invasion. Artist s impression of a major impact event. The collision between Earth and an asteroid a few kilometres in diameter releases as much energy… …
13Asteroid deflection strategies — are methods by which near Earth objects could be diverted, preventing potentially catastrophic impact events. A sufficiently large impact would cause massive tsunamis and/or, by placing large quantities of dust into the stratosphere blocking… …
14mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… …
15Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
162007 in spaceflight — rowspan = 4|10 January, 03:53 GMT [cite web url = http://www.rediff.com/news/2007/jan/10pslv.htm title = All 4 PSLV C7 satellites launched into orbit publisher = Rediff author = T K Rohit date=2007 01 10 accessdate=2008 03 29] rowspan =… …
17Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
18Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… …
19Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
20Europa (moon) — Europa Europa s trailing hemisphere in approximate natural color. The prominent crater in the lower right is Pwyll and the darker regions are areas where Europa s primarily water ice surface has a higher mineral content. Imaged on September 7,… …
