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http://www.aaa.org/EyepieceFiles/aaa/2013_04_April_Eyepiece.pdf.
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1. Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...
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2. Impact Hazard
... 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 . ...
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Ссылки http://star.arm.ac.uk/impact-hazard/ -- 11.3 Кб -- 29.06.2012
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3. Phil Plait's Bad Astronomy: Bitesize Astronomy
... 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! ...
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Ссылки http://www.badastronomy.com/bitesize/pantry.html -- 27.8 Кб -- 09.04.2016
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4. APOD: 2009 April 4 - Star Party on Planet Earth
... 2009 April 4 . Star Party on Planet Earth . ... Explanation: As twilight sweeps around planet Earth tonight (April 4), many amateur astronomers will set up their telescopes for a 24-hour global star party. The planetwide star party is part of 100 Hours of Astronomy (100HA) , a project of the International Year of Astronomy 2009. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . A service of: ASD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap090404.html -- 5.8 Кб -- 28.02.2014
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5. Kepler-10c: the First Mega-Earth | Astronotes
... 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? ...
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Ссылки http://www.armaghplanet.com/blog/kepler-10c-the-first-mega-earth.html -- 44.9 Кб -- 09.04.2016
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6. Comet Hyakutake Finder Chart for Early April
... Credit Copyright: HST Comet Hyakutake Observing Team and NASA . MPEG Movie of the Comet's Position in April (2.8 MB) Explanation: During April Comet Hyakutake heads in toward the Sun after passing the Earth . ... Early in April, the Moon 's glow will diminish viewing of the comet's tail - except during the lunar eclipse on April 3rd ! As the comet recedes from the Earth it will appear dimmer even though it is getting intrinsically brighter as it nears the Sun. ... Hyakutake: Comet Atmosphere . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1161772 -- 15.4 Кб -- 24.08.2002
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7. Lecture Series 2010-2011 ? ?Greening the Earth Using Space Resources? by Greg
Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
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Ссылки http://www.aaa.org/lectures/lecture-series-2010-2011/lecture-series-2010-2011-greening-the-earth-using-space-resources-by-greg-matloff/ -- 100.9 Кб -- 10.04.2016
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8. Chronology of early astronomy,mechanics and spaceflight
... For a timeline of the exploration of the magnetic environment of the Earth, Sun and Planets, see here . ... Galileo Galilei (1564-1642) builds the first astronomical telescope and observes for the first time craters on the Moon, satellites around Jupiter, and the way Venus goes through phases like the Moon (crescent, etc.) ... 17 December--First successful flight by the Wright brothers at Kitty Hawk, North Carolina. ... 16 March--Goddard launches his first liquid-fuel rocket. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Stimelin.htm -- 9.9 Кб -- 21.12.2007
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9. Dust evolution across the CO snowline in a protoplanetary disk
... General information . ... Staff . Research staff . ... Information . ... Historical highlights . Historical research . ... This process is thought to occur in circumstellar disks of gas and dust around young stars on rather short timescales : infrared surveys show that the number of low mass stars with disks drops dramatically for stars older than 10 Myr, suggesting that in order to form large solids before the disk disperses, the growth process has to take place within a few million years. ...
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Ссылки http://www.arcetri.astro.it/en/home-english/204-scientific-news/1098-snow-alma -- 30.1 Кб -- 10.04.2016
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10. ASP: Black Holes to Blackboards: Getting a Global Sense
... The twilight zone is not just an old television series. ... Most places on Earth pass through the twilight zone twice a day; the result is an enchanting hour at dawn and dusk of low sunlight and long shadows. ... Before assigning your students to watch a sunrise or sunset, have them try the following activities to develop their global sense. ... Armed with a global sense of our spinning planet, go out to watch the sky as your part of the Earth moves through the twilight zone. ...
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Ссылки http://www.astrosociety.org/pubs/mercury/9803/dahlman.html -- 12.9 Кб -- 21.05.2014
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11. Lagrangian Points
... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...
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Ссылки http://www.cosmos.ru/mirrors/stern/Education/wlagran.html -- 11.9 Кб -- 24.03.2006
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12. NASA Oral History Project
... 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 . ...
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Ссылки http://www.jsc.nasa.gov/history/oral_histories/ess.htm -- 35.8 Кб -- 28.12.2015
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13. http://www.eso.org/public/news/eso1319/kids/
... Gravity is responsible for keeping your feet on the ground and keeping the Earth and all other planets in our Solar System in their orbits around the Sun. ... Einstein's theory of gravity, known as the theory of General Relativity. This suggested that gravity is actually the curving of the fabric of the Universe, known as 'spacetime', around objects. For instance, a very heavy star warps the space around it, causing a deep well in the fabric, and pulling in anything that comes too close. ...
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Ссылки http://www.eso.org/public/news/eso1319/kids/ -- 11.2 Кб -- 11.04.2016
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14. Astronomy articles, forums, listings, and other resources about Astronomy.
... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...
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Ссылки http://www.astronomy.net/meteors/ -- 24.4 Кб -- 09.04.2016
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15. Other Worlds From Earth
... Click on this icon if you would like to see a collection of snapshots of actual pages from the "Other Worlds from Earth" Electronic PictureBook. ... The Other Worlds from Earth Electronic PictureBook is a HyperCardЁ stack designed to run on a color MacintoshЁ computer with at least 2.5 megabytes of available RAM, sufficient hard disk space to contain the Electronic Picturebook, System 7.0, and HyperCard 2.1 or HyperCard Player 2.1. ...
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Ссылки http://www.stsci.edu/exined/OtherWorlds.html -- 3.0 Кб -- 14.02.1997
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16. The Russian TESIS Observatory will observe two solar eclipses from space
... This year's eclipse is unique in duration. ... Although, at the present time, there are 6 solar observatories belonging to leading space agencies in orbit around the Earth, the eclipse of 22 July, 2009, will only be seen by two of them: the Russian CORONAS-PHOTON satellite equipped with TESIS telescopes and Japan's HINODE satellite fitted with an XRT space telescope. ... TESIS will be the first of the two devices (and the very first on Earth) to witness the solar eclipse. ...
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Ссылки http://www.tesis.lebedev.ru/en/info/tesis_20090720_en.php -- 13.4 Кб -- 01.10.2012
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17. asteroid 200YU55
ASTEROID 2005 YU55 . Asteroid 2005 YU55 was listed on NASA's "Sentry Risk Page" as having as small (about one in 10 million) chance of hitting the Earth in the next century. We observed this asteroid with the Arecibo Planetary Radar system on April 19-23 2010. ... A very close pass by Earth will take place November 8, 2011. ... Astronomers used the planetary radar system at the Arecibo Observatory radio telescope to spot the asteroid, called 2005 YU55, over four days starting on April 19 . ...
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Ссылки http://www.naic.edu/news_newadmin/asteroid2005yu55_a.html -- 5.3 Кб -- 07.11.2011
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18. AAL Homepage
MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...
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Ссылки http://www.aal.lu/HIGHLIGHTS_1970-2000/ -- 22.1 Кб -- 09.04.2016
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19. VSOP Observing Schedule
... Below is the schedule between March 5 and April 8. ... VS experiment codes are VSOP Survey Observations VT Test/Calibration Observations EXPNO SOURCE FRQ Corr DOY DY: DATE UT RANGE #TEL TELESCOPES VS07j J1051+21 C Pent 65 Su:Mar-05 10:00 - 19:00 5 SH KA MP CD HO VS06x J1058+19 C Pent 68 We:Mar-08 10:00 - 17:00 3 KA MP HO VS09x J1147-07 C Pent 71 Sa:Mar-11 11:00 - 20:00 4 HH SH MP HO W068a4 J1229 +02 C* Socr 75 We:Mar-15 05:00 - 15:00 12 VLBA Y MP W077a W088b4 J1229 +02 L* ...
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Ссылки http://www.atnf.csiro.au/pub/people/vlbi/vsop/www/longterm_000228.html -- 4.6 Кб -- 27.12.2007
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20. http://zebu.uoregon.edu/51peg.html
... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...
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Ссылки http://zebu.uoregon.edu/51peg.html -- 18.2 Кб -- 31.07.2000
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