Alvan Graham Clark, a U.S. astronomer and telescope maker, confirmed Bessel's hypothesis in 1862 when he spotted Sirius B through Clark's newly developed great refractor telescope. Sirius B is a ...

Its diminutive companion, however, was not discovered until 1862, when it was first glimpsed by astronomers examining Sirius through one of the most powerful telescopes of that time.

Rather than pinpoints of light, they appear through telescopes as disks which shine ... especially in the case of the brightest one of all, Sirius. Its very name appears to be derived directly ...

In color, Sirius is a brilliant white with a definite ... (though terrible if you're trying to get steady views through a telescope). On such occasions, especially near the horizon, the brightest ...

Red/orange stars are actually very common, and a slow sweep through a dark night sky with a small telescope will reveal many. “There is something about the name 'Sirius' that is not included in ...

Gaze up at Sirius, the brightest star in the night sky, and it seems to change colour as its light gets refracted through our atmosphere ... the photo by focusing a telescope sharply on Sirius ...

Aitken appearing in Sky and Telescope of September recalls some interesting events of nearly half a century ago. From the time of the discovery of the companion to Sirius in 1862 by Alvan G.

They observed two nearby bright stars, Vega and Sirius, in order to ... of starlight reaching the telescope as it points in different directions, peering through different thicknesses of the ...

Planet watchers have already begun readying their telescopes ... From Oct. 29 through Nov. 9, Mars will blaze at magnitude –2.3, more than twice as bright as Sirius, but still inferior to ...

Tonight, the Winter Triangle will be visible in the sky (Sky & Telescope). Sirius is the bottom star ... The crescent Moon is visible tonight moving through the Pleiades star cluster, also known ...

Its diminutive companion, however, was not discovered until 1862, when it was first glimpsed by astronomers examining Sirius through one of the most powerful telescopes of that time.