what is sirius
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Sirius Sirius (/ˈsɪriəs/) is the brightest star (in fact, a star system) in the Earth's night sky. With a visual apparent magnitude of −1.46, it is almost twice as bright as Canopus, the next brightest star.irius is one of the 27 stars on the flag of Brazil, where it represents the state of Mato Grosso. Seven ships of Great Britain's Royal Navy have been called HMS Sirius since the 18th century, with the first being the flagship of the First Fleet to Australia in 1788.
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Sirius Black —Sirius Black giving Harry Potter advice. Sirius Black (3 November, 1959 – 18 June, 1996), also known as Padfoot or Snuffles (in his Animagus form) was a pure-blood wizard, the older son of Orion and Walburga Black, and the brother of Regulus Black.
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- The brightest star in the night sky is star called Sirius. It is also known as the dog star, and it is in the constellation called Sirius. It is interesting to note that in Ha … rry Potter, by J.K. Rowling, the character Sirius transforms into a dog. Sirius has a magnitude of -1.4. actually, Sirius is a double star.
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- In addition, SIRIUS airs Headline News on its satellite radio channel 133 and CNN en Espanol on its satellite radio channel 182. About SIRIUS SIRIUS, The Best Radio on Radio, delivers more than 130 channels of the best programming in all of radio.
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Intrinsic brightness A measure of the intrinsic brightness of objects. The apparent magnitude of the object [fit were at a distance of ten parsec s. The absolute magnitude of Sirius is +1.4.
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Sirius What the naked eye perceives as a single star is actually a binary star system, consisting of a white main-sequence star of spectral type A1V, termed Sirius A, and a faint white dwarf companion of spectral type DA2, called Sirius B. The distance separating Sirius A from its companion varies between 8.2 and 31.5 AU.
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- Sirius B is the name of the fainter, smaller, less massive star in the Sirius binary system (the brighter, larger, more massive one is Sirius A, or just Sirius). It was hypothesized to exist almost eighteen years before it was actually observed! Not a black dwarf ... yet (white dwarf Sirius B).
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Very bright star in the east at northern hemisphere. What is it? Sirius - the brightest star in the sky. I've seen it myself - and on a good, dark night, it can really stand out. Jupiter - the king of the planets is also rising at about the same time. It is brighter than any star in the sky, by a wide margin (though fainter than Venus), and it can really stand out.
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- History and mythology of Sirius. Sirius is also well known as the Dog Star, because it is the chief star in the constellation Canis Major, the Big Dog. Have you ever heard anyone speak of the dog days of summer? Sirius is behind the sun as seen from Earth in Northern Hemisphere summer.
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- Sirius, also known as the Dog Star, is the brightest star in the night time. It's visual magnitude is -1.46. Sirius is also the sixth closest star to Earth, at 8.6 light-years.
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- Today, Sirius is nicknamed the Dog Star because it is part of the constellation Canis Major — Latin for the greater dog.. The expression dog days refers to the period from July 3 through Aug. 11 when Sirius rises in conjunction with the sun.
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- (Redirected from SiriusXM Talk) Faction Talk is an uncensored channel on XM Satellite Radio channel 103 and Sirius Satellite Radio channel 206, both subscription-based satellite radio services owned by SiriusXM.
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Sirius With an apparent magnitude of −1.46, Sirius is the brightest star system in the night sky, almost twice the brightness of the second brightest star, Canopus. It is not as bright as the Moon, Venus, or Jupiter; at times, Mercury and Mars are also brighter than Sirius.
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Sirius Satellite Radio On February 19, 2007, Sirius announced a merger deal with XM Satellite Radio. Upon government approval, the merger combined the two radio services and created a single satellite radio network in the United States, named Sirius XM Radio.
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- The name Sirius Black is a pun on his Animagus form of a black dog since the star Sirius is known as the Dog Star and is the brightest star in Canis Major, the Great Dog constellation.Sirius is derived from the Ancient Greek σείριος, Seirios, meaning glowing or scorcher.. In Greek mythology, it is Orion's dog.tymology. The name Sirius Black is a pun on his Animagus form of a black dog since the star Sirius is known as the Dog Star and is the brightest star in Canis Major, the Great Dog constellation. Sirius is derived from the Ancient Greek σείριος, Seirios, meaning glowing or scorcher..
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- [syn: Sirius, Dog Star, Canicula, Sothis] The Collaborative International Dictionary of English v.0.48: Dog Star \Dog Star`\ Sirius, a star of the constellation Canis Major, or the Greater Dog, and the brightest star in the heavens; -- called also Canicula, and, in astronomical charts, [alpha] Canis Majoris. See Dog days.
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- This line will point to Sirius, which is roughly 8 times as far from the Belt as the Belt is wide. The Egyptian god Osiris. History and mythology of Sirius. Sirius is also well known as the Dog Star, because it is the chief star in the constellation Canis Major, the Big Dog.
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- Polaris: Also known as the North Star (as well as the Pole Star, Lodestar, and sometimes Guiding Star), Polaris is the 45th brightest star in the night sky. It is very close to the north celestial pole, which is why it has been used as a navigational tool in the northern hemisphere for centuries.otice that the closer stars are to Polaris, the smaller the circles they describe. Stars at the edge of the frame make much larger circles. Credit: Bob King. Sirius: Also known as the Dog Star, because it’s the brightest star in Canis Major (the “Big Dog”), Sirius is also the brightest star in the night sky.
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Sirius Satellite Radio Sirius Satellite Radio was a satellite radio (SDARS) and online radio service operating in North America, owned by Sirius XM Holdings.
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- Definition of SIRIUS. : a star of the constellation Canis Major that is the brightest star in the heavens —called also Dog Star.See Sirius defined for kids. ADVERTISEMENT.efinition of SIRIUS. : a star of the constellation Canis Major that is the brightest star in the heavens —called also Dog Star. See Sirius defined for kids.
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Sirius: Brightest Star in Earth's Night Sky Latest on Sirius: Brightest Star in Earth's Night Sky Sirius, the Dog Star, Sits Glitteringly in the Night Sky This Week Gaia Spacecraft Finds Previously Hidden Star Cluster (Video)
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The dog star, white dwarfs, the death of the Sun, and what they all have to do with one another The brightest star in the sky, Sirius is also known as the dog star. This is because it is in the constellation of Canis Major, or the Great Dog. It's name comes from Arabic, meaning the scorched one. However, Sirius is not a lone star at all. It has a companion star, only about the size of the Earth.
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Alpha Centauri Sirius lies less than a degree from Betelgeuse in the otherwise unmodified Orion and with a magnitude of −1.2 is a little fainter than from Earth but still the brightest star in the Alpha Centauri sky.
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- Sirius, nighttime’s brightest star, is most enchanting, so much so that – every year, beginning in the fall – we get many, many questions about a multicolored star twinkling in the southeastern to southern sky after midnight.
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Venus and Sirius â 2 Bright Stars in the Evening Sky The 2nd bright “star” in the evening sky is Sirius. Sirius is the brightest star visible in the night sky with only Venus, Jupiter, and sometimes Mars being brighter. By the time it gets dark, Sirius is visible low in the southeast. It is visible for most of the night in the southern sky. Sirius is a blue star but can appear to change color rapidly.
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Steven M. Greer In 2013 Greer co-produced Sirius, a documentary covering his work and theories over extraterrestrial life, government cover-ups and close encounters of the fifth kind.