... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 December 25 . The Eclipse Tree . ... Explanation: If you look closely at the shadow of this tree, you will see something quite unusual: it is composed of hundreds of images of a partially eclipsed Sun . Early today , trees across North America will be casting similar shadows as a partial eclipse of the Sun takes place. ... About APOD | ...

... August 30, 1999 . Looking Back on an Eclipsed Earth . ... Explanation: Here is what the Earth looks like during a solar eclipse. ... Only observers near the center of the dark circle see a total solar eclipse - others see a partial eclipse where only part of the Sun appears blocked by the Moon . This spectacular picture of the 1999 August 11 solar eclipse was one of the last ever taken from the Mir space station , as Mir is being decommissioned after more than ten years of productive use. ...

New GCVS Version (GCVS5) FileName Explanations ----------------------------------------------------------------- ReadMe This file GCVS5 The ... ------------------------------------------------------ 1- 2 I2 --- Constell [1/88]Constellation numeric code 3- 6 I4 --- Number Star number within the constellation 7 A1 --- Component *Component identification 9- 18 A10 --- GCVS * Variable ... Field is non-blank if magMin is a magnitude or amplitude given in a system other than that indicated by magCode. ...

... SB, Porb = 55.9212d. V0745 Cas| ... Component B of the double system observed brighter than in the Hipparcos Input Catalogue. ... The variability may be due to the fainter component. ... Type ELL: is also possible. pi Cas| ... Variability type and spectral type (F2/F3Ib/II) do not agree. ... Variability type and spectral type (F3/F5II) do not agree. ... Variability may be due to component B. VZ Pic| ... Variability may be due to component B. V1377 Ori| ... SB, Porb = 9.073d. V0421 Cep|105091| ...

Supernova 1987A in LMC . One day in 1987, an astronomer by the name of Ian Shelton was making observations of the Tarantula Nebula in Large Magellanic cloud at Las Campanas Observatory, and he noticed something strange on his image. ... SN 1987A got as bright as 2.7, the only other recent SN even to come close was 1885A in M31 which got up to mag 6. ... Mag 4.5 . ... IAUC 4318 2/25/87 Type II? ... IAUC 7354 2/1/00 New structure in the inner ring . ... IAUC 7360 2/7/00 HST observation of new spot . ...

... Отмеченная наградами АстроТоп-а . ... 1) К участию в конкурсе допускаются все российские сайты на тему астрономии и космонавтики, и все русскоязычные сайты за пределами России. ... II) Сайт года . ... Победитель: Астронет - http://www.astronet.ru/ : подано голосов экспертов - 109 (всего - 129) . ... 3-е место разделили: Астрономия и Телескопостроение - http://www.astronomer.ru/ и Лента новостей космонавтики от Железнякова - http://www.cosmoworld.ru/spaceencyclopedia/hotnews/ : подано по 37 голосов; ...