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NGC 1999, also known as The Cosmic Keyhole, [1] [2] is a dust-filled bright nebula with a vast hole of empty space represented by a black patch of sky, as can be seen in the photograph. It is a reflection nebula , and shines from the light of the variable star V380 Orionis .
Artist's rendering of the accretion disc in ULAS J1120+0641, a very distant quasar containing a supermassive black hole with a mass two billion times that of the Sun [1] The Chandra X-ray image is of the quasar PKS 1127-145, a highly luminous source of X-rays and visible light about 10 billion light-years from Earth.
The Sombrero Galaxy (also known as Messier Object 104, M104 [4] or NGC 4594) is a peculiar galaxy of unclear classification [5] in the constellation borders of Virgo and Corvus, being about 9.55 megaparsecs (31.1 million light-years) [2] from the Milky Way galaxy.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 December 2024. Alleged Earth satellite of extraterrestrial origin For the British rocket program, see Black Knight (rocket). 1998 NASA photo of space debris, an object believed by some conspiracy theorists to be an extraterrestrial satellite, the Black Knight GIF of the six images taken of the space ...
The Old Negro Space Program was nominated for the 2005 Nebula Award for Best Script, but was ruled ineligible because the film "did not meet the requirement of professional release, or the 12 month period for nomination (after professional release) expired prior to the film receiving enough nominations to be placed on the ballot;" the SFWA, administrators of the award, stated that the ...
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In astrophysics, an event horizon is a boundary beyond which events cannot affect an outside observer. Wolfgang Rindler coined the term in the 1950s. [1]In 1784, John Michell proposed that gravity can be strong enough in the vicinity of massive compact objects that even light cannot escape. [2]
1. Take regular breaks. Just like we humans need regular breaks to stretch our legs and go to the bathroom, so too do our canine companions. If you’re going on a long road trip with your dog ...