... 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! ...

... In fact, 18th century cosmic tourist Charles Messier cataloged two of them; M8, the nebula below and right of center, and colorful M20 at the upper right. Driving Toward a Sun Halo . ... In the above case, however, there are actually millions of lenses: ice crystals. ... Edge On Galaxy NGC 5866 . ... Many disk galaxies are actually just as thin as NGC 5866, pictured above, but are not seen edge-on from our vantage point. ... Infrared Andromeda . ... Enceladus Ice Volcanos . ...

... Comet Animation . ... Comet structures are diverse and very dynamic, but they all develop a surrounding cloud of diffuse material, called a coma, that usually grows in size and brightness as the comet approaches the Sun. ... As comets approach the Sun they develop enormous tails of luminous material that extend for millions of kilometers from the head, away from the Sun. ... The evaporated molecules boil off and carry small solid particles with them, forming the comet's coma of gas and dust. ...

... The Sun . Does anyone know how many stars are there in the solar system? Come take a look at the Sun. See that? ... Did you know all the stars you see when you look up are inside our galaxy! ... Did you know that our Sun and solar system were born in a cloud of gas and dust like this. ... We're looking at a place where stars are being born. ... Sharing the Universe is based upon work supported by the Informal Education Division of the National Science Foundation under Grant no DRL-0638873. ...

... Meade Instruments Corporation . ... Choosing the Right Microscope . ... On most microscopes the specimen glass remains fixed while the microscope's objective lens and eyepiece move as a unit up or down to focus the image. ... Eyepieces of varying powers work with objective lenses of varying powers to yield a range of microscope magnifications. ... Magnification: The effective magnification of a microscope is determined by multiplying the eyepiece power by the objective lens power . ... about meade |...

... On some space shuttle missions, there are opportunities for observers in the continental United States and Hawaii to see the orbiter fly overhead. ... The second item is a Space Shuttle Mission Chart, which is a Mercator projection map of the world with the orbiter's orbits superimposed on Earth's surface. ... Shuttles are launched from the Kennedy Space Center in Florida, which is at a latitude of 28.5њ north. ... NASA Johnson Space Center . ... You will see that Shuttle orbits just graze the globe...

... Saturn is 2cm right of Zeta Tau. ... February: part of Pegasus (L) Aquarius (Bottom) part of Cygnus (Top Right) Delphinus Centre Right. ... May: Hyades (near Bottom Left), past Pleiades, Left, to Aries (top right centre) June: part of Cassiopeia, Top Left Centre, part of Cygnus Bottom Right: Gamma and Epsilon Cygni just above horizon, Deneb above them. ... M31 is slightly Top Left of Centre. (see below) September: Bottom of Square of Pegasus on Top Left, part of Aquarius Bottom Right. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. October 6, 1998 . Comet Williams in 1998 . ... Explanation: The brightest comet in the sky right now is Comet Williams . Moving slowly though the constellation of Centaurus , Comet Williams, at magnitude 8, is visible to Southern Hemisphere observers with binoculars. ... Comet Williams was discovered in early August by Peter Williams. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

Images by Rob McNaught from ~20km west of Siding Spring Observatory . Copyright 2011 Robert H. McNaught . Canon 5D, 50mm f/1.4, 20sec exposure ISO 400. ... Canon 5D, 135mm f/2.0, 20sec exposure ISO 400. ... ANU 2.3-m at far left. Anglo-Australian Telescope (AAT) on horizon to left of comet and ANU 0.6-m to the immediate right of the comet. ... ANU/Uni of Arizona/NASA/Robert H. McNaught . Uppsala Schmidt/Siding Spring Survey. ... Siding Spring Survey Main Page . ...

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

... Copyrightї1997 Bob Yen (byen@ix.netcom.com) (http://www.comet-track.com/hb/hb.html) . ... Information on Comet Hale-Bopp for the Non-Astronomer Hale-Bopp rotates about twice a day (3/14/97) . ... The Comet Observation Home Page was been selected to receive the Griffith Observatory Star Award for the week of February 2 - 8, 1997 for excellence in promoting astronomy to the public through the World Wide Web. ... Typically, about 1,000 individual users/computers access this page every day. ...

... This section highlights some typical FOC image characteristics. ... Occulting fingers located near the aperture entrance if the image size is greater than 512 x 512 pixels or if the FUV prism is in the beam. Reseau marks etched onto the faceplate of the detector to aid in geometric correction ( Figure 4.4 ). ... A faint diagonal parallel striping pattern called pattern noise . ... Warped edges ( Figure 4.4 ). ... Figure 4.5: FOC 512 x 512 Image Showing Faint "Thumbprint" Pattern or "Fringes" . ...

... HIPASS results . ... Of the BGC galaxies, 138 have redshifts for the first time. ... We really need ALFA to address that faint end. ... This estimate accounts for the smaller beam size, the number of pixels, and the available solid angle. ... HIPASS (with an integration time of 250 sec per pixel) was complete only for M * galaxies at cz ALFA (with the same intergration time) would be complete to 15,000 km/s . ... The integration time would be only 1 sec per beam for a total time of about 2.6 hours. ...

... Home Observing Woodlawn Cemetery, Bronx . ... Clear Sky Chart . ... Spring Starfest in Woodlawn Cemetery, The Bronx . ... Woodlawn Cemetery, Bronx . ... 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 . ... Woodlawn Cemetery (Jerome Ave. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

This is a copy of a Press Release from E.S.O. The most recent ESO observations of bright Comet Hyakutake have shown rapid changes in the innermost coma, within a few hundred kilometres from the cometary nucleus. This result has only become possible because of the unusual combination of a bright comet being near the Earth, together with the excellent imaging quality of the ESO 3.5-metre New Technology Telescope (NTT). ... Go to the ESO Homepage for Comet Hyakutake . ESO/La Silla | ...

... Star Atlas . ... stars . ... exoplanets . ... What percent of star systems have orbits in the right orientation for scientists to find exoplanets through the transit method? ... RELATED TOPICS: EXOPLANETS . The probability of having an exoplanetт??s orbit oriented along our line of sight so that there is a transit depends on two things: the size of the star and the size (or radius) of the orbit. ... Get instant access to subscriber content on Astronomy.com! ... Atlas of the Stars . ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... It has been argued in the literature that low surface brightness (LSB) galaxies might contribute a considerable HТљ I cross section. ... Figure 3: The column density distribution function ( left ) and HТљ I mass density ( right ) for high and low surface brightness galaxies. High surface brightness galaxies dominate the HТљ I cross section, especially for column densities . ...

... This site requires Javascript to function correctly. ... Don't rush to buy a telescope - As Alan MacRobert of Sky & Telescope Magazine says, 'To put a telescope to rewarding use, you first need to know the constellations as seen with the naked eye, be able to find things among them with sky charts, know something of what a telescope will and will not do, and know enough about the objects you're seeking to recognize and appreciate them.' ... ASRAS can help you choose the telescope that's right for...

... But it's all right, it's all right, I'm just weary to my bones Still, you don't expect to be bright and Bon Vivant So far away from home, so far away from home. ... We come on a ship we call the Mayflower, We come on a ship that sailed the moon We come at the age's most uncertain hour And sing the American tune But it's all right, its all right You can't be forever blessed Still, tomorrow's gonna be another working day And I'm trying to get some rest, That's all, I'm trying to get some rest. ...