S Star

B class star
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History
Vandor IV, a B class giant and pulsar. A B class star is a classification for a red giant star.

Luyten's Star b?
Astrometic analysis of photographic plates and measures taken from 1937 to 1980 suggested Luyten's Star may have a substellar companion.

Barnard's Star
Related Category: Astronomy: Stars
star with the largest observed proper motion (rate of motion across the sky with respect to other stars); located in the constellation Ophiuchus. The star's large proper motion, 10.

Keyser's stars, divided into 12 newly invented constellations, first appeared on a globe by Plancius in 1598, and again two years later on a globe by the Dutch cartographer Jodocus Hondius.

W Virginis Star
Portions of this entry contributed by Alfred Gautschy
A also called a type II which has a period between 1 to 60 days. They periods are related to intrinsic luminosity. W Virginis stars are , and are approximately 1.

AM Herculis star
Artist's impression of an AM Her system. Image © Russell Knightley Media ...

Tycho Brahe's star maps
Tycho Brahe, 1546 - 1601. By Michel Odieuvre, circa 1745 The Danish astronomer Tycho Brahe (1546-1601) died on 24 October 1601.

Do you have any new information on the Nemesis Star,the so called companion star to our Sun ?
The Answer ...

S Stars
Red-giant stars of spectral type S are similar to M stars except that the dominant oxides are those of the metals of the fifth period (Zr, Y, etc.) instead of the third (Ti, Sc, V).

This star cloud of Milky Way in Sagittarius is easily visible with unaided eye SW of Scutum Star Cloud and was catalogued by Messier on June 20, 1764.

Let's start our trip!
The constellation list of Earths sky.
A complete constellation list with links to printable constellation map.
The 12 Zodiac Constellations
The 12 zodiac constellations, finding and viewing ...

Norton's Star Atlas and Reference Handbook, 20th Edition
Author: Ian Ridpath
Publisher: Longman Publishing Group ...

Barnard's Star has the greatest proper motion (apparent angular motion across the sky) of any known star.
Fans of the television series Star Trek will recognize Wolf 359 as the site of the epic battle between Starfleet and the Borg.

Barnard's Star This very modest little star, located just six light-years away in the direction of the constellation Ophiuchus, is the closest star that can be studied from the Northern Hemisphere - but only with the aid of telescopes, ...

This star pattern has always been associated with the constellation of Hercules. According to mythology Cerberus was the three-headed dog who guarded the path to the realm of the Underworld.

This star is also known as Benetnash, Benetnasch, or Elkeid. All the names for this star derive from the Arabic phrase Al Ka'id Banat al Na'ash, which means literally "the Governor of the Daughters of the Bier", that is, "The Chief of the Mourners.

This star map was produced by the Star Maps on demand service of Mount Wilson Observatory. Another source of star maps is the Starry Night program for Windows and Macintosh computers.

This star was discovered by Joseph-Jérõme LefranÃ§ais de Lalande at the Paris Observatory some time before 1801.
Lalande 21185 in fiction
* Featured in Civilization II: Test of Time.
* Was the sun of the planet Ormazd in L.

This star is also called the Bull's Eye because of its striking orange color and its location in the bull's head shaped asterism. In 1997 a substellar companion was reported but subsequent observations have not confirmed this claim.

This star in the constellation of Leo (The Lion), called SDSS J102915+172927, has been found to have the lowest amount of elements heavier than helium (what astronomers call "metals") of all stars yet studied.

This star is a good launching point to find our next object, NGC 6811. This object is another in our treasure chest of open clusters, and brighter than any other open cluster we have seen this week, except for M29.

This star not visible without the Hubble. Best to view Hercules from May through October.

This star has a compact companion embedded in a disc of hot gas that spins around its sibling every 4.8 hours. "This object is most likely a black hole, but we can't yet rule out a neutron star," says Corbet.

This star-related article is a stub. You can help Wikipedia by expanding it.
This binary or multiple star system-related article is a stub. You can help Wikipedia by expanding it.

This star, alpha UMa (Dubhe: the Bear), is a yellow giant, about 25 times the size of the Sun, and 86 light years away. It is a close visual binary, discussed below.

This star field image represents the deepest color picture ever obtained of an are of the LMC. Over 10,000 stars are visible in this image, the faintest being about 100,000,000 times dimmer than can be seen with the naked eye.

Let's start with the Earth. The distance from the center of the Earth to its surface is 3820 miles or 6371 kilometers and its circumference at the equator is about 24,000 miles or 40,000 kilomters.

Let's start with sunlight as an example. At 1 AU, Earth receives 1 unit of sunlight; what we generally might associate with a bright sunny day at noon. How much sunlight would a spacecraft receive if it were twice as far from the Sun as Earth?

Let's start out with the basic composition of the Earth's atmosphere, which is as follows: ...

Bohr's starting point was to realize that classical mechanics by itself could never explain the atom's stability.

NASA's Stardust Mission was designed to learn about comets. It will take a sample of comet particles and return them to Earth.

NASA's Stardust probe is coming home and bringing comet dust with it.
Science in the Sky
NASA's Student Launch Initiative involves more than one type of rocket science.

Tycho's Star or CN 1572, observed as a supernova in 1572 and documented by the Danish nobleman and astronomer Tycho Brahe, is also located in Cassiopeia.

Besides star maps, the Chinese also made Celestial globes, which show stars position liked a star map and can present the actual sky in a specific time.

Barnards star
Related articles from newspapers, magazines, and more
Searching more than 100 credible sources ...

August's Star of the Month: Zubenelgenubi!
Comet Swift-Tuttle Information found at Gary W. Kronk's Comet & Meteor Site ...

Ka Chun's Star Formation Page is an excellent annotated and detailed set of links on star formation.
Nebulae and Star Formation is a set of descriptions and annotated links to images of nebulae and star formation.

Barnard's Star - 5.96 LY [YH]
HPMS - 7.50 LY
Wolf 359 - 7.78 LY [Y]
Lalande 21185 - 8.29 LY [YH]
Sirius Star System ...

A low-mass star"one with a mass of less than about eight solar masses"never becomes hot enough to burn carbon in its core. It ends its life as a carbon white dwarf.

W Virginis star - (n.)
A type of II Cepheid, one of the fainter class of Cepheid variable stars characteristic of Cepheids in globular clusters.
x radiation - (n.) ...

The probe's star scanner detected the objects as nine bright flashes of light during the flyby. Two of the recorded flashes may have been duplicate sightings.

see Tycho's Star. [H76]
WZ Cassiopeiae
A carbon star (the most super-rich carbon star known) with a very high abundance of lithium. Its effective temperature is 2420 K. [H76]
Castor ( Geminorum) ...

W VIRGINIS STAR - Another name for Type II Cepheid variable stars.
WADSLEYITE - High pressure polymorph of olivine, β-Mg2SiO4, found on Earth and in some meteorites.

No one learns star identification looking at a computer screen (or book)! These images and lessons are meant to educate and guide you as you identify sights in the sky but experience is the best teacher.

Only spurious star-parallaxes had claimed the attention of astronomers until F. W. Bessel announced, in December 1838, the perspective yearly shifting of 61 Cygni in an ellipse with a mean radius of about one-third of a second.

The most famous star in Ursa Minor is Polaris, the North Star. This is the star that is nearest to the North Celestial Pole. If you stood at the north pole, Polaris would be almost directly overhead.

After the triple system of alpha Centauri Barnard's Star (named after Edward E. Barnard, the discoverer of this star), a red dwarf of 9.5 mag, is the next closest star to us lying in a distance of about 6 light years.

So where did this star get its name and how do you pronounce it? Well, 'FUM-al-HUT' in Arabic means fish's mouth, and I am told it is pronounced 'foma-low' in English.

Ornithogalum pyrenaicum, also called Prussian asparagus, wild asparagus, Bath Asparagus, Pyrenees star of Bethlehem or spiked star of Bethlehem, is a plant whose young flower shoots may be eaten as a vegetable, ...

From Jim Kaler's STARS; Return to Planetary Nebulae
"A beautiful and remarkable object" (Curtis). The Helix Nebula, NGC 7293 in southern Aquarius, is the closest of the prominent planetary nebulae.

The faster Alice's starship goes, the shorter it becomes, and the more time advances in the rear of her starship.

Also check out NASA's StarChild: A Learning Center for Young Astronomers.

If a star in a close binary system evolves to the point at which it `fills' its Roche lobe, theoretical calculations predict that material from this star will overflow both onto the companion star (via the L1 point) and into the circumbinary ...

Tezuka's star characters
Phantasy Star Collection
The Plough and the Stars
Kansas City Star
around you I plot the stars
moths and stars
The stars still love us
Star Trek
Star Wars cans hidden message
boxes piled as high as the stars ...

We have already followed the evolution of the low mass star up to the point where it reached the Horizontal Branch. It is burning helium into Carbon through the triple alpha reaction in its core.

This relatively recent focus on atmospheric turbulence is exemplified by the contrasting discussions found in Norton's Star Atlas, then and now.

This star is the bottom right star of the bowl of the Big Dipper. Its Celestial Coordinates are..11 hours, 1 Minute of R/A.. so.. we get this star in the center of our eyepiece, and quickly set the R/A setting circle to 11 Hours.

The images to the left, of the central region of our own Milky Way Galaxy and of the Cygnus star-forming region, show how areas which cannot be seen in visible light can show up very brightly in the infrared.

After reading Guy Mackie's article I thought I should revisit this star grouping and see if anyone knew more about it. I too contacted Dr. Brent Archinal (formerly of the U.S. Naval Observatory), an expert on open star clusters. Dr.

Despite its masculine connotations, the constellation is rich in female icons; both the Hyades and Pleiades star clusters are daughters of Atlas and both are important astronomically.