... 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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• Dr Carolyn Porco in Armagh | International Year of Astronomy in Ireland |
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• Armagh Observatory

... Cassini Spacecraft Crosses Saturn's Ring Plane . ... Credit: Cassini Imaging Team , ISS , JPL , ESA , NASA Explanation: If this is Saturn, where are the rings? ... Later that century, it became understood that Saturn 's unusual protrusions were rings and that when the Earth crosses the ring plane , the edge-on rings will appear to disappear. ... In modern times, the robot Cassini spacecraft orbiting Saturn now also crosses Saturn's ring plane. ... Moons appear as bumps in the rings. ...

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• XWare > APOD

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Posted on November 5, 2015 | ... Continue Reading.. Posted on July 1, 2014 | ... 1 Comment There are thought be thousands of satellites in working order in orbit around the Earth. If the count was to include all Earth satellites including broken parts and discarded pieces, [ ] . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Russian Space Programme | Astronotes
• Nick Parke | Astronotes
• Fireball of 21 September 2012: Image of the Month | Astronotes

... 2013 July 29 . Saturn, Titan, Rings, and Haze . Image Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . ... Cutting horizontally across the image are the rings of Saturn , seen nearly edge on. At the lower right of Titan is Enceladus , a small moon of Saturn. Since the image was taken pointing nearly at the Sun, the surfaces of Titan and Enceladus appear in silhouette , and the rings of Saturn appear similar to a photographic negative . ... About APOD | ...

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• APOD: 2013 July 3 - Stars and Lightning Over Greece
• APOD: July 11, 1996 - Ganymede: A Really Groovy Moon
• APOD: 2000 July 25 - Why Stars Twinkle

New Satellites of Saturn . On July 26, 1995, Amanda Bosh of Lowell Observatory announced the discovery of at least two and perhaps four new satellites of Saturn . The discovery was based upon images taken by the Hubble Space Telescope on May 22, 1995, when Saturn's rings were tilted edge-on to the Earth . ... The two satellites S/1995 S1 and S2 lie inside Saturn's thin, eccentric "F" ring . ... The fourth satellite S/1995 S4 is 6,000 kilometers (3,700 miles) beyond the F ring. ... S/1995 S 3 . ...

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• Asteroid Introduction
• A collection of images
• Appendix C - The Probability of Collisions with Earth

... Gift Center . ... Why do aurorae appear strongest within rings centered on Earth's poles instead of filled-in circles? ... RELATED TOPICS: AURORAE . The visible aurorae result from electrons that move along magnetic field lines from space into the upper atmosphere. ... Just make sure you're registered with the website. Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

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• When a really big rock (or a huge chunk of iron) hits Earth, why does it
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• The Real Reality Show: How Did Life Start on Earth? | Astronomy.com

. ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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• What should I know for the Midterm?
• The Greenhouse Effect.
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The Sun is our nearest star and the source of energy for life on Earth. ... For centuries astronomers wondered whether they were clouds floating in the Sun's atmosphere, but we now know that they really are huge regions of magnetic field, about as intense as the field at the poles of an iron magnet. ... Such abrupt events were named solar flares , and what made them especially interesting was that occasionally, after a prominent flare, a magnetic storm would erupt on Earth. ...

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... 24-Sep-14 JOURNиES 2014 Investigation · checking possibility of nutation rates estimation based on RLG observations simulation level · combination of simulated RLG data with real VLBI data · comparison of estimates based on real RLG data (Wettzell) with results of simulation 24-Sep-14 JOURNиES 2014 Simulation ... 10-8) 24-Sep-14 JOURNиES 2014 Simulated data + VLBI (ac. lev. ...

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Click for a video of the pendulum . ... In 1851 Leon Foucault (1819-1868) was made famous when he devised an experiment with a pendulum that demonstrated the rotation of the Earth. Joseph Ashbrook's book, The Astronomical Scrapbook , (Cambridge University Press, 1984) has a short chapter on Foucault's contributions to astronomy. ... Click here for more a detailed pdf document (5MB) about the University of Louisville's Foucault pendulum along with technical notes and the original working drawings. ...

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

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

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• Winer Observatory - Observations of Near Earth Asteroid 2008QT3

UFO Forum Message . Forums: . ... Post . ... It Really Is Relative . ... Post Message | ... If you are on the Earth the moon does not rotate around its own axis. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Lowell Observatory Near-Earth Object Search - LONEOS, AstroGuide Listing
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• Near Earth Object Program, AstroGuide Listing

... gradients dependencies on solar wind parameters and IMF; . ... fate of thermal plasma at the dayside magnetopause. velocity-dispersed injections of the thermal and superthermal ions from LLBL at cusp and cleft (lowest energy VDIS-2 events); . ... outer cusp processes, role of outer cusp indentation, plasma entry (laminar reconnection, turbulent diffusion, others), role of turbulent boundary layer; . how is the magnetosheath plasma heated near magnetopause and cusp? . ... cusp/cleft wave emissions. ...

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• The Sun
• INTERBALL IB_TAIL July 2000 magnetic conjugations
• BOKZ Star Trackers

... The exercises are now available on the web and in six booklets (100 pages in total), titled: . ... Exercise 1: Measuring the Distance to Supernova 1987A", . Exercise 2: The Distance to Messier 100 as Determined by Cepheid Variable Stars", . Exercise 3: Measuring the Distance to the Cat's Eye Nebula" and . Exercise 4: Measuring a Globular Star Cluster's Distance and Age". ... More exercises will follow in the future. ... Exercise 3 - Measuring the Distance to the Cat's Eye Nebula . ...

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• ASP: Making Model Comets: Has it really been 20 Years?
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• ASP: Guest Observer

... This page provides some context for the Heritage release of the HST/ACS 14th anniversary images of what John A. Graham first positively identified as "a peculiar southern ring galaxy". The image data displayed below show the environment around the RN nuclear ring galaxy VV785 (a.k.a. AM0644-741, the Lindsay-Shapley Ring, or Graham's Ring Galaxy) in ground-based radio, IR, and optical wavelengths. ... Above are the SHASSA Continuum (left) and H-alpha images of the field around the ring galaxy. ...

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• Conservation Laws, Orbital Parameters, and Solar System Bodies
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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. ...

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• Asteroid 1998 ML14 1998 Aug 14-17
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... Public . Science . ... Science Users Information > Science Publications > Science Announcements . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... Science Announcements . ... Published: 17 Sep 2014 . An extended set of FAQs (Frequently Asked Questions) on data reduction is available . ... Published: 28 Aug 2014 . ... This feature is available for all ALMA programmes, except for science verification data. ...

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OBSERVATIONS OF COORBITAL SATELLITES OF SATURN Emel'yanov N., Varfolomeev M. Sternberg State Astronomical Institute, Moscow, e-mail : emelia@sai.msu.ru Institut de MИcanique CИleste et de Calcul des иphИmИrides, Paris, e-mail : emelia@imcce.fr Abstract. To improve the orbital parameters and masses of coorbital satellites of Saturn, Janus and Epimetheus, new observations of these satellites are necessary. ... IN: Saturn. ... New observations of Saturn's coorbital satellites" - Icarus. ...

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• http://lnfm1.sai.msu.ru/SETI/eng/articles/sokfro.html
• http://lnfm1.sai.msu.ru/neb/nss/coorb/coorb_2004-2005.doc

... About ATNF overview . ... Australia Telescope Steering Committee . ... Facilities . ... CSIRO ATNF Data Archives . ... In preparation for the start of the ASKAP Early Science Program , the first ASKAP Community Busy Week was held this week at the Sydney Institute for Astronomy (SIfA) . ... Like the science produced from BETA before it, commissioning data produced with ASKAP-12 will focus on demonstrating ASKAP's unique capabilities while being used to prepare for the fit-out of the full telescope. ...

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• Jon_Ables
• casacore: casa::Real< T, RES > Struct Template Reference
• Australia Telescope National Facility