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William Blue (c. 1767 – 7 May 1834) was an Australian convict who, after completing his sentence, became a boatman providing one of the first services to take ...
NGC 6905, also known as the Blue Flash Nebula, is a planetary nebula in the constellation Delphinus. It was discovered by William Herschel in 1784. The central star is 14.0 mag. The distance of the nebula, as with most planetary nebulae, is not well determined and estimates range between 1.7 and 2.6 kpc. [2]
1912: Bragg's law and the field of X-ray crystallography, an important tool for elucidating the crystal structure of substances, discovered by William Henry Bragg (1862–1942) and William Lawrence Bragg (1890–1971). [125] 1913: Discovery of isotopes by J. J. Thomson (1856–1940). 1917: Discovery of the Proton by Ernest Rutherford (1871–1937).
An expedition led by Gregory Blaxland, William Lawson and William Charles Wentworth in 1813 was the first successful crossing of the Blue Mountains in New South Wales by European settlers. [3] The crossing enabled the settlers to access and use the land west of the mountains for farming, and made possible the establishment of Australia's first ...
In 1814, Governor Lachlan Macquarie approved an offer by William Cox to build a road crossing the Blue Mountains, from Emu Plains, the existing road terminus west of Sydney, to the Bathurst Plains. The first road to cross the Blue Mountains was 12 feet (3.7 m) wide by 101 + 1 ⁄ 2 miles (163.3 km) long, built between 18 July 1814 to 14 January ...
Chemists at Oregon State University created the world's most flawless blue pigment and say the groundbreaking development was pretty much an accident. When the perfect color came into being, the ...
Letter from Perkin's son, with a sample of dyed silk. Mauveine, also known as aniline purple and Perkin's mauve, was one of the first synthetic dyes. [1] [2] It was discovered serendipitously by William Henry Perkin in 1856 while he was attempting to synthesise the phytochemical quinine for the treatment of malaria. [3]
NGC 4670 is a blue compact galaxy in the constellation Coma Berenices. The galaxy lies about 60 million light years away from Earth, which means, given its apparent dimensions, that NGC 4670 is approximately 25,000 light years across. [1] It was discovered by William Herschel on April 6, 1785. [3]