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Giant star
A Giant star is a star that has stopped fusing hydrogen in its core. More specifically, the term giant star refers to a star that belongs to the luminosity class III in the Yerkes spectral classification.

 


Giant and subgiant stars
within 100 ly
Larger black and white maps.
Often easier to see than even
the relatively "bright" AFGK
stars, giant stars located
within 100 light-years (ly)
-- 30.7 parsecs -- of Sol can
be prominent naked-eye ...

red giant - Space and Astronomy Definition - Online Dictionary and Glossary...
Oort Cloud - Space and Astronomy Definition - Online Dictionary and Glossar...
Fast Fourier Transformation (FFT) - Space and Astronomy Definition - Online...

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Giant Star
Related Category: Astronomy: General ...

Giant Discovery
Subtle differences in the cloud bands that encircle the planet Uranus are emphasized by computer processing in this false-color image from Hubble Space Telescope. The planet's rings are also visible.

Giant impact hypothesis
Wikipedia, the free encyclopedia - Cite This Source ...

Giant
Y'know, if you login, you can write something here. You can also Create a New User if you don't already have an account.
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Red giants are evolved from main sequence stars with masses in the range from about 0.5 solar masses to somewhere between 4 and 6 solar masses.

Red Giant 23139's Solar Magnetosphere
Red Giant 23139 was a Starfleet designation for a red giant star in grid 898, a region in the the Delta Quadrant.

red giant
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asymptotic giant branch (AGB)
Evolutionary track of a Sun-like star from main sequence to asymptotic giant branch.
Image credit: NOAO ...

Neptune, gas giant with great dark spot
Neptune, is the fourth largest of the planets in the solar system, and eighth major planet in order of increasing distance from the Sun. It is similar in size and structure to its neighbour Uranus.

Galileo Finds Giant Iron Core in Jupiter's Moon Io
Jupiter's volcano-pocked moon Io has been found by NASA's Galileo spacecraft to have a giant iron core that takes up half its diameter, scientists report in today's issue of Science magazine.

Giants Stadium is a stadium located in East Rutherford, New Jersey in the Meadowlands Sports Complex.

Yes, there are many types of giant stars, blue-white, white, yellow, orange, and red. Yellow giants are a phase of stars with masses heavier than the sun, but it is phase that doesn't last very long, so there aren't many of them.

The giant planets all have only small solid cores which are surrounded by enormously thick layers of liquid forms of substances that on Earth we encounter as gases.

Giant structures, infall, and large-scale peculiar motions give new insight into how clusters form vis-a-vis galaxies. The two basic possibilities are bottom-up and top-down.

Giant Stars
(Over 3 times the mass of the Sun)
THE DEATH OF STARS
Stars expand as they grow old. As their core runs out of hydrogen and then helium, the core contacts and the outer layers expand, cool, and become less bright.

Giant ellipticals are probably formed by mergers on a grander scale. The Milky Way and M31 are gravitationally bound, and currently approaching each other at high speed.

Giant finder
To help in pointing 20 inch f4 scope, my trusty 6 inch f4 Dobby (shown in its original shape below) was converted into a giant finder.

giant star
Large, cool, highly luminous star in the upper right of the H-R diagramm. Typically 10-100 times the diameter of the Sun.
globular star cluster ...

giant star - (n.)
A type of star brighter than main sequence stars of the same spectral type.
gibbous moon - (n.) ...

Giant Molecular Cloud (GMC) Huge, cool clouds of dust grains, and gas, much of which is in the form of molecules. GMC's appear to be where most of the stars are formed in galaxies.

Giant planets that have a gaseous surface; the sun's known Jovian planets are Jupiter, Saturn, Uranus, and Neptune.
Julian Calendar ...

Giant Molecular Cloud (GMC)
Massive clouds of gas in interstellar space composed primarily of hydrogen molecules. These clouds have enough mass to produce thousands of stars and are frequently the sites of new star formation.

Giant Star
A dying star that has used up the hydrogen fuel in its core and has begun to expand. Giant stars are generally larger than our Sun.
Gigabyte ...

Giant impact theory: An explanation for the origin of the Moon from Earth debris which collected in space after a projectile the size of planet Mars smashed into a growing Earth.

Giant Molecular Cloud
Very large, cool clouds of dense gas in which stars form.
Giant Stars ...

Giant Molecular Cloud: A region of dense interstellar medium that is sufficiently cold that molecules can form. They are very cold (10-20K) with relatively high densities (trillion particles per cubic meter), and huge.

giant -- a star of large radius and large luminosity.
glitches -- abrupt changes in the pulsation period of a pulsar, perhaps the result of adjustments of its crust.

Giant stars. Stars that are swelling in size as they approach the end of their lives. Giant stars are often no more massive than the Sun but they have expanded to great size and are therefore less dense but highly luminous.

Giant Impact Theory - The theory of the origin of the Moon that holds that the Moon formed from debris blasted into orbit when the Earth was struck by a Mars-size body ...

Giant Radio Galaxies, represent the biggest single objects in the Universe, having linear sizes larger than 1 Mpc. GRGs are rare among the entire population of radio galaxies, and their physical evolution is not well understood.

giant
A star whose diameter is typically 10 to 100 times that of the Sun and whose luminosity is roughly that of 100 Suns.
giant elliptical galaxy ...

A giant molecular cloud is a large, dense gas cloud (with dust) that is cold enough for molecules to form. Thousands of giant molecular clouds exist in the disk part of our galaxy.

Red giant or supergiant stars with degenerate neutron cores, often abbreviated TZO's. If they exist, such objects would be nearly impossible to identify observationally.
References ...

The Giant Impactor Theory (sometimes called The Ejected Ring Theory): This theory proposes that a planetesimal (or small planet) the size of Mars struck the Earth just after the formation of the solar system, ...

The giant star is about 7.4 times the diameter of the sun. The dynamics of the orbit indicates that the giant has a mass of 10.9 solar masses, while the smaller star is about 6.8 times the mass of the sun.

Red giants form from the remains of most stars, at least for a while, and are a remarkable machine in the clockwork of the universe. Our Sun has been shining now for, it is estimated, some 5 billion years.

Red Giant Star
An old, bright star, much larger and cooler than the Sun. Betelgeuse (alpha Orionis) is an example of a red giant.
Redshift ...

RED GIANT STAR
A red giant is a relatively old star whose diameter has swollen enormously. It's temperature has also cooled appreciably, it's contracting hydrogen core has turned to helium and eventually to carbon.

Red giants create most of the universe's carbon. They also manufacture weightier elements, such as barium (atomic number 56), by releasing a slow flux of neutrons that transforms iron nuclei into heavier ones.

The giant planets have diameters greater than 48000 km.
The giant planets are sometimes also referred to as gas giants.
by position relative to the Sun: ...

GAS GIANTS
The gas giants are the large outer planets of our Solar System: Jupiter, Saturn, Uranus, and Neptune (but not tiny, rocky Pluto).

Gas giant: A large, icy and gaseous planet in the outer solar system.
Giotto: Probe that flew to comet Halley.
H ...

The giant spiral is consuming a previously known satellite galaxy
Andromeda Constellation ...

Red giant- an old star whose outer layers have billowed out and cooled down
Red shift- shift in the light of a retreating object toward red wavelengths, caused by the Doppler effect
Reflector- a telescope that forms an image with mirrors ...

red giant
A relatively cool star which is near the end of its life, swelling in size after the inner core has been depleted of hydrogen.

This giant of a planet -- some 1,300 times the volume of planet Earth -- is sometimes called the year star.

This giant planet has no solid surface. Under its atmosphere is a large liquid ocean of hydrogen and water. What lies in between that ocean and the atmosphere? Actually there is no in between.

This giant double star system is recognised as the most massive pair yet discovered.

As a giant star loses almost all of its remaining outer hydrogen envelope, it comes close to revealing its intensely hot core. A fast wind from the core first compresses the inner edge of the old expanding wind.

Supergiant: Very luminous star 10-1000 time more massive than the Sun.
Superluminal velocity: The apparent motion of an object at greater than light speed; This appearance is caused by a "projection effect" by the object's motion toward Earth.

[3.0] Giant Telescopes & New Technologies
[3.1] THE ULTIMATE REFRACTORS
[3.2] DOMINANCE OF THE BIG REFLECTORS ...

Yellow Giant (Spectral Class G5 III). Approximately the same color and temperature as the sun but a giant star.
How Far Away:
46 light years ...

The red giant omicron Cet, known as Mira, is the prototype of the long-period variable stars. The brightness changes from 3rd mag to 9th mag within 330 days. This variability was first noticed by the Dutch astronomer David Fabricius in 1596.

3. If a giant molecular cloud has a mass of 1035kg, and 1 percent of that mass is converted into 1 solar mass stars, how many stars are produced?

is a "gas giant"; all gas giants are similar to Jupiter in composition. Jupiter's diameter is 11 times Earth's diameter and 20% larger than , making it the largest planet in the solar system. Gas giant are also very much larger than planets.

An orange giant. To find it follow the "arc" of the handle of the Big Dipper down to the "bottom" of the constellation Bootes.

The yellow giant alpha Aur, called Capella, is the 6th brightest star in the sky (0.08 mag). It is also a spectroscopic binary consisting of a G5III and a G0III. They revolve each other every 104 days.

See also: Light, Sun, Star, Solar, Earth