Whirlpool Galaxy [M 51, Messier 51, NGC 5194]
Whirlpool Galaxy [M 51, Messier 51, NGC 5194] — The graceful, winding arms of the majestic spiral galaxy M 51 (NGC 5194) appear like a grand spiral staircase sweeping through space. They are actually long lanes of stars and gas laced with dust... ((c) NASA, ESA, S. Beckwith (STScI), The Hubble Heritage Team (STScI/AURA))
Jupiter
Jupiter — Jupiter is the fifth planet from the Sun and the largest and most massive of the giant planets within the Solar System. Its mass amounts to 318 terrestrial masses, and its diameter is 11 times the terrestrial one... ((c) Hubble Heritage Team (STScI/AURA/NASA/ESA) and Amy Simon (Cornell U.))

Compendium

Featured

Charles OberthuerOberthuer, Charles (1845-1924)

— Biology

Born at Rennes in 1845, Charles Oberthuer was a son of the founder of the celebrated printing firm which bore his name, and of which for many years he was chairman. Previous to the removal of the family from Strasbourg and its establishment in Rennes, it had for generations been intimately concerned in the business of printing. This long association bore fruit in an unexpected direction, for Oberthuer was able to be his own patron, printer and publisher when he decided in 1876 to commence giving to the entomological world that long series of priceless volumes known as the 'Etudes d' Entomologie.' In 1902 he discontinued these, considering he had done his share and that he deserved a rest, and to pass his last years in putting in order the vast collections he had amassed from all parts of the world. But in 1904 we find him saying in the Preface to the first volume of his 'Etudes de Lepidopterologie comparee,' that he could no longer resist his desire to publish again and to keep abreast of events in a modest way. The result - twenty-two volumes... — full article


More Biology articles
Alpheraky, Sergei Nikolaevich (1850-1918)
— The outstanding Russian lepidopterist Sergei Nikolaevich Alpheraky, a Honorary Member of the RES, was a contemporary of N. M. Romanoff. Having entered the Moscow University in 1867, he abandoned it in 1869, for his desire to study Lepidoptera met no support with his supervisor, Professor A. P. Bogdanov... — full article

Bates, Henry Walter (1825-1892)
— English naturalist and explorer. He and Alfred Russel Wallace left England in 1848 to explore and collect insects in the Amazon basin in what was to become incredibly valuable explorations and insights into natural history and evolution for the both of them... — full article

Elwes, Henry John (1846-1922)
— Henry John Elwes was one of the greatest traveller-naturalists who have done so much to increase our knowledge of natural history in all branches. A man of means, and possessing great energy and self-confidence, he began when quite young a succession of... — full article

Grumm-Grshimailo, Grigorii Efimovich (1860-1936)
— A great contribution to Russian and world entomology was made by Grigorii Efimovich Grumm-Grshimailo, a prominent lepidopterist, traveller, geographer... — full article
More Astronomy and space articles
Hyperion
— Hyperion is a moon of Saturn discovered by William Cranch Bond, George Phillips Bond and William Lassell in 1848. It is named after Hyperion, a Titan in Greek mythology. It has a low density indicating that it is composed largely of water ice with a small amount of rock. It is covered by at least a thin layer of dark material... — full article

Messier, Charles (1730-1817)
— French astronomer, born on 26 June 1730 in Badonvillier, Lorraine, France. He became interested in astronomy in younger years. Then he went to Paris, where he arrived on 2 October 1751 and was employed by Joseph-Nicolas Delisle, because of his fine hand-writing... — full article

Uranus
— Uranus is the seventh planet from the Sun, named after the ancient Greek deity of the sky, the father of Kronos (Saturn) and grandfather of Zeus (Jupiter). Uranus was the first planet discovered in modern times by Sir William Herschel on 13 March 1781... — full article

Whirlpool Galaxy [M 51, Messier 51, NGC 5194]
— The graceful, winding arms of the majestic spiral galaxy M 51 (NGC 5194) appear like a grand spiral staircase sweeping through space. They are actually long lanes of stars and gas laced with dust... — full article