... 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 (>5281) - star.arm.ac.uk/ )

... Listed below are questions submitted by users of "The Great Magnet, the Earth" and the answers given to them. ... In "The Exploration of the Earth's magnetosphere" on the magnetic environment of the Earth in space (a few Q duplicated here) . ... 11) Magnetic Shielding . ... 51) Can electricity be generated from the Earth's magnetic field? ... 9) Measuring Earth's magnetic field . ... 6) Reversals of the Earth's field (4 queries) . ... 42) Could generated electricity affect Earth's magnetic field? ...

Еще в разделе: (Показать все результаты (>1370) - www.cosmos.ru/ )

• Applying Kepler's Third Law
• Early Warning of Interplanetary Disturbances
• Kepler's Third Law

... December 16, 1997 . Night Lightning on Jupiter . Credit: The Galileo Project , NASA . ... To create lightning , charges must first separate inside a cloud. On Earth , drafts of colliding ice and water droplets usually create this charge separation, but what happens on Jupiter ? Many astronomers theorize that Jovian lightning is also created in clouds containing water ice. ... Clouds are dimly lit by sunlight reflected off Jupiter's moon Io . ... About APOD > . ... NASA Technical Rep.: ...

Еще в разделе: (Показать все результаты (>8642) - www.sai.msu.su/ )

• APOD: 2009 December 16 - Comet Hyakutake Passes the Earth
• APOD: 2012 December 7 - Earth at Night
• APOD: 2011 December 6 - Jupiter Rotation Movie from Pic du Midi

... Listed below are questions submitted by users of "The Great Magnet, the Earth" and the answers given to them. ... In "The Exploration of the Earth's magnetosphere" on the magnetic environment of the Earth in space (a few Q duplicated here) . ... 11) Magnetic Shielding . ... 51) Can electricity be generated from the Earth's magnetic field? ... 9) Measuring Earth's magnetic field . ... 6) Reversals of the Earth's field (4 queries) . ... 42) Could generated electricity affect Earth's magnetic field? ...

Еще в разделе: (Показать все результаты (>960) - www.iki.rssi.ru/ )

• Applying Kepler's Third Law
• Early Warning of Interplanetary Disturbances
• Kepler's Third Law

Astronomy Picture of the Day . ... 5.08.2013 . ... Credit Copyright: NASA / JHU Applied Physics Lab / Carnegie Inst. ... Such an event was recorded visually in great detail by the MESSENGER spacecraft as it swung back past the Earth, eight years ago, on its way in toward the planet Mercury . ... The robotic MESSENGER spacecraft is now in orbit around Mercury and has recently concluded the first complete map of the surface . ... August . ... August 2013 . ... Publications with keywords: Earth . ...

Еще в разделе: (Показать все результаты (>173773) - www.astronet.ru/ )

• XWare > APOD

... 2000 October 28 . Moonrise, 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 (>7134) - www.arcetri.astro.it/ )

• The Planet Jupiter
• APOD: December 8, 1996 - Degas Ray Crater on Mercury
• Astronomy Picture of the Day

... Artist's impression of the "Great Lake" on Jupiter's moon Europa. Scientists speculate many more exist throughout the shallow regions of the moon's icy shell. ... Many more such lakes exist throughout the shallow regions of Europa's shell, the researchers predict in an online article for the journal Nature. ... If you enjoyed this excerpt from a feature article and would like to receive our quarterly Mercury magazine, we invite you to join the ASP and receive 4 issues a year. ...

Еще в разделе: (Показать все результаты (>1494) - www.astrosociety.org/ )

• ASP: The Comet About to Smash into Jupiter
• ASP: Guest Observer
• ASP: This Restless Globe

... Tonight's Sky . ... Sky this Month . ... space physics . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Sky Events . Get to Know the Night Sky . Tour the Deep Sky . Sky Guide . ... Observing springtime deep-sky objects with a large telescope . ... Johns Hopkins University Applied Physics Lab, Laurel, Maryland . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Еще в разделе: (Показать все результаты (>6776) - www.astronomy.com/ )

• Why do aurorae appear strongest within rings centered on Earth's poles instead
• Space: women neednт??t apply? | Astronomy.com
• Earth's laws still apply in distant universe | Astronomy.com

Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders . ... Archives . ... There is a special issue on Atmospheric Science from the Annals of Applied Statistics , offering me intriguing discussions for finding a common ground between atmospheric science and astronomy. ... Here, provided are some interesting ones from my judegment with their [arXiv] links. ... As I write, the astrostat articles are all there. 03-24-2009, 3:25 pm . ...

Еще в разделе: (Показать все результаты (>4456) - hea-www.harvard.edu/ )

• The AstroStat Slog application
• The AstroStat Slog Blog Archive space weather
• The AstroStat Slog stochastic model

... 8, ``Celestial Mechanics'', 2002 Formation and migration of trans -- Neptunian objects S. I. Ipatov 1;2 1 Institute of Applied Mathematics, Moscow, Russia 2 NASA/GSFC, Greenbelt, USA We support the Eneev's idea [1] that the largest (with diameter d?100 km) trans ­ Neptunian objects ( TNOs ) moving now in not very eccentric orbits ... The total amount of water delivered to the Earth during the formation of the giant planets was about the mass of water in the Earth's oceans. ...

Еще в разделе: (Показать все результаты (>811) - www.ipa.nw.ru/ )

• http://www.ipa.nw.ru/conference/2002/sovet/PS/LUKASHEV.PS
• IPA RAN
• Keywords_60

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... A most promising problem is to investigate the interaction of two VHF powerful radiowave beams in the ionosphere, whose difference frequency is equal to the plasma frequency in some ionospheric area (that is, the difference frequency is taken in the range 1-8 MHz). ... Two-frequency interaction effects are based on radiowave non-linear mixing, which is rather complicated when describing and modelling the experiment. ...

Еще в разделе: (Показать все результаты (>36) - rp.iszf.irk.ru/ )

• East Siberian Center for the Earth's Ionosphere Research. Specific character
• East Siberian Center of Earth Ionosphere Research. Chirp ionosonde.

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Parkes | ... Cosmic engine for senior students . ... The Sun . The Sun is vital for life on Earth. ... The Sun is a typical star, emitting electromagnetic radiation and particles that influence the Earth . ... In the meantime you can view material on the Sun and its influence on Earth written for the first version of the new syllabus here . ...

Еще в разделе: (Показать все результаты (>19291) - www.atnf.csiro.au/ )

• Early Scientific Results
• Radio image of Jupiter
• ATNF Colloquium

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 (>135) - www.space.vsi.ru/ )

• venerae
• jupitere

... 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 (>458) - zebu.uoregon.edu/ )

• Philosophy of Science
• Geography Talk Page II
• Formation of the Earth

The intent for the original iPhone procurement and use was primarily testing of applications relevant to astronomy and any other productivity tools to support STScI personnel in their functional work in support of Hubble Space Telescope (HST), James Web Space Telescope (JWST), Community Missions Office (CMO), and outreach. ... Initially tested applications available from Apple (early operating system) and also applications that only ran on the "jailbroken" device. ... Tested Google Sky browser. ...

Еще в разделе: (Показать все результаты (>16596) - www.stsci.edu/ )

• Window-Based Applications
• John H. Debes
• Customizing Your Windows Environment

Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... Continue Reading.. ... No Comments Fewer than 600 people have ever seen our world from space and only a couple of dozen have travelled far enough away to seen the Earth as a planet against [ ] . ... Posted on December 1, 2011 | ... 1 Comment Ice Worlds, one of Armagh PlanetariumтАЩs Digital Theatre shows for Summer 2011, is a thrilling tour through space and time showcasing some of the most beautiful and chilly regions of [ ] . ...

Еще в разделе: (Показать все результаты (>2812) - www.armaghplanet.com/ )

• See giant planet Jupiter tonight | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• - Part 27

... Reconstruction of peculiar velocities of galaxies from large-scale redshift catalogues provides an exemplary application of optimal transport. ... U Frisch, S. Matarrese, R. Mohayaee, A. Sobolevsky, A reconstruction of the initial conditions of the Universe by optimal mass transportation , Nature, 417 (2002) 260-262 ( arXiv:astro-ph/0109483 ) . ... R. Mohayaee, A. Sobolevskii, The Monge Amp re Kantorovich approach to reconstruction in cosmology , Physica D (2008) accepted ( arXiv:0712.2561 ) . ...

Еще в разделе: (Показать все результаты (>897) - www.mccme.ru/ )

• Conference "Arithmetic Geometry: Explicit Methods and Applications"

Image credit: Michael Nolan, Arecibo Observatory. These radar images of near-Earth asteroid 2001 SN263 were obtained on 2008 Feb 12 and 13. ... Image from Feb 12 . ... First near-Earth triple asteroid discovered by Arecibo Observatory . ... was discovered this week by astronomers at the sensitive radar telescope at Cornell University?s Arecibo Observatory in Puerto Rico. ... For example, Arecibo has discovered more than half of the near-Earth binary asteroid systems discovered since 1999. ...

Еще в разделе: (Показать все результаты (>3684) - www.naic.edu/ )

• REU Application Instructions
• Special Issue Instruction
• Chapter 11. Specifying OpenGL Environment Variable Settings

... Bad Astronomy . Misconceptions . ... Bad Astronomy : The Moon only shows one face to us because it is not rotating. Better astronomy : The Moon only shows one face because it is rotating, once every time it revolves around the Earth. ... Place the Moon model on the table about 30 centimeters (one foot) away with the X facing the Earth model. ... You'll see that to keep the X facing the Earth model, you have to rotate the Moon model as it goes around the Earth model . ... 2008 Phil Plait. ...

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

• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System
• Phil Plait's Bad Astronomy: Mad Science

... 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 (>2474) - www.jsc.nasa.gov/ )

• JSC Celebrates 40 Years
• Astronaut Bio: Peter J. K. Wisoff 11/2001
• NASA - JSC History Portal