Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

Supernova 2005A in NGC 958 . This page is devoted to information on Supernova 2005A in NGC 958 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered by Lick Observatory Supernova Search This is a type Ia found young. ... 2005/01/05.260 . ... JM Llapasset image . ... Light curves and Spectra: . ...

... Planets . ... Earth Satellites . ... Looking in the direction of the constellation Cygnus the Swan and launched by NASA in 2009 is the Kepler Space Observatory.Many previous missions searching for exoplanets mainly detected large giant planets, like large hot Jupiters (it is easier to detect larger planets).However KeplerтАЩs main objective is to search for much smaller planets located in a habitable zone which is not too close nor too far from their star; planets which may be just like our Earth. ...

Umbriel . Uranus II . ... It is about the same size as Ariel and has about the same density. The surface appears to be old with large craters and does not change much from one location to another. ... Orbital period (days) . ... Visual geometric albedo . ... This image is a polar stereographic projection of the southern hemisphere of Umbriel. ... Dark regions are represented as red and bright regions are represented as blue. The two white regions are bright ejecta from two fresh craters. ...

Umbriel . Uranus II . Umbriel [UM-bree-ul] is the darkest satellite of Uranus. It is about the same size as Ariel and has about the same density. The surface appears to be old with large craters and does not change much from one location to another. Near the top is a puzzling bright ring called the fluorescent cheerio . ... Dark regions are represented as red and bright regions are represented as blue. The two white regions are bright ejecta from two fresh craters. ...

Once students get the hang of it, they can find and measure the brightness of Delta Cephei in a few minutes. ... of Delta Cephei . ... Oct. ... The following table lists the measurements of Delta Cephei made by one amateur astronomer in autumn 1990. ... 4.0 . ... This activity is a simplified version of one that appeared in Hands-On Astrophysics, a series of activities prepared by the American Association of Variable Star Observers with support from the National Science Foundation. << previous page | ...

... Date . ... Authors . ... 1.000 . ... Kniazev, Alexei Y.; Grebel, Eva K.; Pustilnik, Simon A.; Pramskij, Alexander G.; Kniazeva, Tamara F.; Prada, Francisco; Harbeck, Daniel . Low Surface Brightness Galaxies in the Sloan Digital Sky Survey. ... 08/2001 . ... V. The fifth list of 161 galaxies . ... IV (Kniazev+, 2001) . ... Email results to: . ... Return:  Results  Form for manual query . ... Databases queried: Astronomy/Planetary Authors: KNIAZEVA, T Start date: 00/1990 End date: 03/2004 . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Hey, it's either this or one of those really irritating PayPal donation buttons here. ... I have always loved supernovae, stars that explode. ... Late in the evening of February 23 rd /24 th * , 1987, an astronomer named Ian Shelton was taking images of the Large Magellanic Cloud (LMC), a satellite galaxy of the Milky Way. ... Shortly thereafter, Ian Shelton developed the plates he had been taking of the LMC and immediately saw the new star. ...

... Credit: Rob van Gent , Tiemen Cocquyt , and Carl Koppeschaar Explanation: In 1655, three hundred fifty years ago on this date, Dutch astronomer Christiaan Huygens discovered Luna Saturni - now known as Saturn's moon Titan. To celebrate, consider this intriguing picture of his telescope lens, all that remains of the instrument he used , designed and constructed in collaboration with his brother, Constantijn Huygens. ... Huygens used the verse as part of an anagram announcing his discovery. ...

... Subject: IAA Lecture, Events at WWT and Dungannon, RIA lecture, Galway A.F., ISS . ... Supernovae come in various forms, with different causes, but in general terms theyѓЉrepresent eitherѓЉthe explosive death of a giant star, or a very violent episode in the life of a binary star pair. Visually, they are the greatest explosions we see in the universe, with the exploding star sometimes becoming as bright as the combined light of all the other hundreds of millions of stars in its parent galaxy! ...

. XMM-Newton Science Analysis System . dataconv (sas-1.479) [xmmsas_20080701_1801-8.0.0] . Meta Index / Home Page / Attributes / Automatically generated attributes . The date of creation is automatically added to the data set as the attribute DATE (via the DAL). XMM-Newton SOC/SSC -- 2008-07-01

Galaxies are diffuse objects which are imaged against a background of finite brightness and noise. Galaxies which have the maximum contrast with respect to this background are the ones that are first discovered. ... These galaxies have been missed to date but active surveys for them are underway. ... In this page we present several examples of these newly discovered Low Surface Brightness galaxies as well as examples of high surface brightness galaxies. ...