... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

Еще в разделе: (Показать все результаты (>3244) - star.arm.ac.uk/ )

... 142,800 Mean density (kg/m^3) .. ... 5.203 Rotation period (length of day in Earth hours).. 9.8 Revolution period (length of year) (in Earth years). 11.86 Obliquity (tilt of axis) (degrees).. 3.08 Orbit inclination (degrees).. 1.3 Orbit eccentricity.. 0.048 Mean surface temperature (K)........................ 120 (cloud tops) Visual geometric albedo.. 0.44 Atmospheric components.............................. 90% hydrogen, 10% helium, .07% methane Rings.. ...

Еще в разделе: (Показать все результаты (>425) - zebu.uoregon.edu/ )

• Historical Cosmologies
• Formation of the Earth
• Philosophy of Science

... Planets . ... Earth Satellites . ... The newly discovered ?mega-Earth? ... Its sibling, the lava world Kepler-10b, is in the background (the two planets? proximity is grossly exaggerated) .€а Kepler-10c has a diameter of about 29 000 km, 2.3 times as large as Earth, and weighs 17 times as much. ... The first mega-earth to be discovered is Kepler-10c which orbits a star lying about 560 light years from the Sun in the constellation Draco. ... Astronomers Find a New Type of Planet: The ?Mega-Earth? ...

Еще в разделе: (Показать все результаты (>2804) - www.armaghplanet.com/ )

• ESO finds weird doomed planet from another galaxy | Astronotes
• Immanuel Velikovsky's weird astronomical theories | Astronotes
• The Blue Planet | Astronotes

Astronomy Picture of the Day . ... 27.05.1997 . ... Credit: STS-35 Crew, NASA Explanation: During the Astro-1 astronomy mission of December, 1990, Space Shuttle astronauts photographed this stunning view of the full moon rising above the Earth's limb. ... Moon and clouds are strong visual elements of many well known portraits of Planet Earth , including Ansel Adams' famous "Moonrise, Hernandez, New Mexico" , photographed in November of 1941. ... May 1997 . ... Publications with keywords: Earth . ...

Еще в разделе: (Показать все результаты (>124710) - www.astronet.ru/ )

• Moonset, Planet Earth
• Астронет > Moonset, Planet Earth
• Астронет > Moonrise, Planet Earth

... Planet Finder Options I: Linear Nulling Arrays for Studying Earth-Like Planets . ... Missions . ... Future Missions and . ... Missions Office . ... This paper shows options for configuring a symmetric linear nulling array as a Planet Finder. Of special interest are linked in-line pairs of identical sub-arrays with a quarter wave phase shift between them and staggered by half an element spacing. ...

Еще в разделе: (Показать все результаты (>14955) - www.stsci.edu/ )

• Detection of Earth-like Planets with the COROT Space Mission
• Institute for Planets and Life
• John's Favorite Links

... 2002 September 21 . Moonset, Planet Earth . Credit: STS-35 Crew, NASA . ... In the foreground, towering clouds of condensing water vapor mark the extent of the troposphere, the lowest layer of the planet's life-sustaining atmosphere . ... Moon and clouds are strong visual elements of many well known portraits of planet Earth , including Ansel Adams' famous "Moonrise, Hernandez, New Mexico" , photographed in 1941. ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

Еще в разделе: (Показать все результаты (>5574) - www.sai.msu.su/ )

• APOD: 2000 October 28 - Moonset, Planet Earth
• APOD: May 27, 1997 - Moonrise, Planet Earth
• APOD: 2007 March 25 - Welcome to Planet Earth

The elements of the numbered minor planets are given with respect to the ecliptic and equinox J2000.0. ... In the Table these values are given to 0.01. ... A dash indicates that there is no opposition in 2015. 1 a.u., 1.017 a.u. 1 a.u., q <= 1.017 a.u.), At stands for Aten type ( a . ... It should be noted that all objects included into the Tables of NEAs, Centaurs and transneptunian objects, and some unusual planets can be also found in the Table of elements and opposition dates of all minor planets. ...

Еще в разделе: (Показать все результаты (>711) - www.ipa.nw.ru/ )

• AY2016 (contents)
• AY2011 (contents)
• AY2010 (contents)

Jupiter is the largest of the nine planets, more than 10 times the diameter of Earth and more than 300 times its mass. ... The mean density of Earth is 5.245 times that of water. The pull of gravity on Jupiter at the top of the clouds at the equator is 2.4 times as great as gravity's pull at the surface of Earth at the equator. ... It is tipped about 11њ to Jupiter's axis of rotation, similar to Earth's, but it is also offset from the center of Jupiter by about 10,000 kilometers (6,200 miles). ...

Еще в разделе: (Показать все результаты (>6878) - www.arcetri.astro.it/ )

• APOD: 2000 October 28 - Moonrise, Planet Earth
• A homogeneous chemical analysis of the inner Galactic disk from the first data
• Sun, Planet and Satellite Data

spaceweb@oulu.fi - last update: 12 March 1999, 0935 UT (RR) . ... In first order the magnetic field created by this magnet is that of a dipole whose axis is tilted with respect to the spin axis by about 11 degrees. ... The difference between the dipole axis and geographic axis is one of the reasons why there are so many different coordinate systems needed to describe locations in space around the Earth. The area around the Earth governed by its magnetic field is called the magnetosphere . ...

Еще в разделе: (Показать все результаты (>853) - www.iki.rssi.ru/ )

• From Stargazers to Starships
• Earth
• Venus

... 3 ­ Sternberg State Astronomical Institute, Moscow, :jeanna@sai.msu.ru The graphic method of the analysis of an arrangement of linear structural elements on geographical and geological maps of continents (A.V.Dolitsky, [1]) has allowed to find out global stress fields of the past and among them one which directions (the main normal and maximal tangents) describe more than 80 % of all linear elements of a relief. ... The found poles share program way on density of an arrangement on 3-4 groups. ...

Еще в разделе: (Показать все результаты (>116) - selena.sai.msu.ru/ )

• http://selena.sai.msu.ru/Rod/Publications/ms38/ms015.pdf

The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...

Еще в разделе: (Показать все результаты (>110) - www.space.vsi.ru/ )

• venerae
• Keplere
• venera1e

... part 1 | ... The Basic Stages in Earth's Pre-geological Development . ... After fragments of the Vortex sleeves separated, whirlwinds of second and third orders ("NC" - new micro-vortex) were generated- future planet cores and their satellites - all of them developing independently, governed by the common laws of development of cosmogenic vortexes. ... Our planet's core today is comprised of considerably deteriorated cosmogenic vortex; consequently, the Earth has a moderated magnetic field. ...

Еще в разделе: (Показать все результаты (>19) - www.lermus.ru/ )

• The new circuit of global tectonics of the Earth, planets and satellites.

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

Еще в разделе: (Показать все результаты (>491) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Mad Science

... It is only a matter of time before astronomers find an Earth-sized planet orbiting a distant star. We will naturally ask whether the planet is habitable or bears life. But will we be able to tell if there are bacteria, roaming dinosaurs, or even more advanced life? ... In the past twelve years, scientists have discovered more than two hundred large planets orbiting other stars, yet finding Earth-like planets is a fascinating and substantially more technologically demanding endeavor. ...

Еще в разделе: (Показать все результаты (>1196) - www.astrosociety.org/ )

• ASP: An Ancient Universe - Changes in the Solar System
• ASP: A Flag for Mars
• ASP: An Ancient Universe - The Age of the Chemical Elements

... Uncovering the Chemistry of Earth-like Planets . ... An Earth-like planet, born from the same nebula as its host star, is composed primarily of silicate rocks and an iron-nickel metal core, and depleted in volatile content in a systematic manner. The more volatile (easier to vaporize or dissociate into gas form) an element is in an Earth-like planet, the more depleted the element is compared to its host star. ... Apr . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Еще в разделе: (Показать все результаты (>341) - www.atmob.org/ )

... Spanish translation of "Stargazers" by J. M. Mendez and Horacio Chavez . ... Astronomy of the Earth's motion in space: . ... The Path of the Sun, the Ecliptic . ... 4b. Optional: Libration of the Moon . ... Kepler's 3 Laws of Planetary Motion ," a one-hour overview lecture to teachers presented 23 March 2005. Guide to the sections on Kepler's Laws which follow below. ... 11a. Ellipses and Kepler's First Law . ... Kepler's Second Law . 12a. More on Kepler's Second Law . ... Kepler's Third Law . ...

Еще в разделе: (Показать все результаты (>1329) - www.cosmos.ru/ )

• FAQ: "Exploration of the Earth's Magnetosphere"
• Space Research Institute (IKI) Seminar
• INTERBALL IB_TAIL ballistic life time

... JSC Oral History . NASA History . ... NASA Oral History Project: Earth System Science at 20 . This NASA Oral History Project features recollections from those who significantly contributed to the launch and evolution of Earth System Science. These interviews were gathered as part of the 20th anniversary of the Earth System Science Program. ... NASA Headquarters, Washington D.C. Program Manager , Stratospheric Theory and Data Analysis, Earth Science and Applications Division . ...

Еще в разделе: (Показать все результаты (>2170) - www.jsc.nasa.gov/ )

• Astronaut Bio: Peter J. K. Wisoff 11/2001

God Science Forum Message . Forums: . ... God and Science ћ SETI ћ Software ћ UFO ћ XEphem . ... God and Science | ... Discover The Science Behind The "Wormwood Star Prophecy" . ... Scientific Scenario Of A Comet's Impact And The "Wormwood Star" Prophecy . ... The Wormwood prophecy cites a "great star, blazing like a torch". ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Еще в разделе: (Показать все результаты (>1221) - www.astronomy.net/ )

• Near Earth Object Program, AstroGuide Listing
• Lowell Observatory Near-Earth Object Search - LONEOS, AstroGuide Listing
• Earth and Sky Adventure Products, AstroGuide Listing

.

Еще в разделе: (Показать все результаты (>606) - www.izmiran.rssi.ru/ )

• Magnetism ADB

... Supernova showered Earth with radioactive debris . ... The Real Reality Show: Would aliens be anything like us? ... Do other planets have meteor showers like Earth has? ... If so, can we learn anything about the planet's atmosphere by looking at the light as meteors burn? ... RELATED TOPICS: METEOR SHOWER . All planets in our solar system that have atmospheres also have meteor showers. ... Get instant access to subscriber content on Astronomy.com! ...

Еще в разделе: (Показать все результаты (>6722) - www.astronomy.com/ )

• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Can Earth-like lightning and thunder occur on a planet or Moon that exhibits
• Four white dwarf stars caught in the act of consuming Earth-like exoplanets |