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The constellation of Telescopium, the telescope, as it can be seen by the naked eye
The constellation of Telescopium, the telescope, as it can be seen by the naked eye
An artist's depiction of the orbits of the hierarchical triple star system HR 6819, with the inferred black hole (red orbit) in the inner binary
An artist's depiction of the orbits of the hierarchical triple star system HR 6819, with the inferred black hole (red orbit) in the inner binary
The globular cluster NGC 6584, as observed with the Hubble Space Telescope
The globular cluster NGC 6584, as observed with the Hubble Space Telescope
The interacting galaxy system NGC 6845, as observed with GALEX
The interacting galaxy system NGC 6845, as observed with GALEX
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Nicolas-Louis de Lacaille
Nicolas-Louis de Lacaille
A memorial to the Abbé de Lacaille and Thomas Maclear, at Aurora in the Western Cape of South Africa. The English portion of the inscription reads: "T
A memorial to the Abbé de Lacaille and Thomas Maclear, at Aurora in the Western Cape of South Africa. The English portion of the inscription reads: "This is the site of the Maclear Beacon positioned in 1838 near the original North Terminal of the Arc of Meridian positioned by Abbé de Lacaille, the first surveyor to introduce Geodetic Surveying into South Africa." Open the image to see the Afrikaans portion.
Leçons elementaires d'astronomie, géométrique et physique, 1755 edition
Leçons elementaires d'astronomie, géométrique et physique, 1755 edition
Messier 55 is a globular cluster discovered in 16 June 1752.
Messier 55 is a globular cluster discovered in 16 June 1752.