Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: Hot Jupiter


Related Topics

In the News (Sun 15 Nov 09)

  
  Jupiter
Jupiter is more than twice as massive as all the other planets combined (the mass of Jupiter is 318 times that of Earth).
Jupiter is the fourth brightest object in the sky (after the Sun, the Moon and Venus).
Jupiter is about 90% hydrogen and 10% helium (by numbers of atoms, 75/25% by mass) with traces of methane, water, ammonia and "rock".
seds.lpl.arizona.edu /nineplanets/nineplanets/jupiter.html   (2189 words)

  
 Jupiter
Jupiter is so big that it is close to the maximum diameter possible for a gas planet.
Jupiter's composition is very similar to that of the primordial Solar nebula from which the Sun is formed.
As with Earth and its Moon, Jupiter's rotation is gradually slowing down from the tidal drag of the large Galilean moons, and these tidal forces are also gradually causing the moons' orbits to move farther away from the planet.
www.solstation.com /stars/jupiter.htm   (3030 words)

  
 Jupiter.Quest.
The bands in Jupiter’s atmosphere are the result of the interaction of two processes: convection, which brings warmer, light colored material to the surface, and causes cooler, darker material to sink; and rapid rotation, which stretches the clouds into linear bands parallel to the equator.
The visible bands on Jupiter are the result of the combined effects of rapid rotation, which creates strong winds around the planet, and strong convection, which brings warmer gas to the surface.
The horizontal belts and zones in Jupiter’s atmosphere are caused by the combination of vertical convection currents bring warm material to the surface while cooler material sinks from view and the rapid rotation of the planet which creates perpetual winds from the day side to the night side.
webs.wichita.edu /astronomy/wqquestions/jupiter_.htm   (1561 words)

  
 NASA - Earth-Like Planets May Be Common in Known Planetary Systems
Hot Jupiters are believed to have migrated inward toward their parent stars just as the planetary systems were forming, disrupting the space environment and triggering the formation of ocean-covered, Earth-like planets in a "habitable zone" conducive to the evolution of life, according to the new study.
Previous studies have indicated that as Hot Jupiters plowed through proto-planetary material on their inward migrations toward their parent stars, all the surrounding material would be vacuumed up or ejected from the system.
Published in the Sept. 8 issue of Science, the study indicates Hot Jupiters push and pull proto-planetary disk material during their journeys, flinging rocky debris outward where it is likely to coalesce into Earth-like planets.
www.nasa.gov /centers/goddard/news/topstory/2006/hot_jupiter.html   (642 words)

  
 'Hot Jupiter' Systems may Harbor Earth-like Planets   (Site not responding. Last check: 2007-11-03)
Hot Jupiters are thought to form in the earliest stages of this process, as the largest embryos begin to accumulate mass at a truly impressive rate.
If a hot Jupiter settles into its final home while the planetary embryos are forming, the inner disk might still contain enough gas and dust to form terrestrial planets even after being thinned out by the gas giant’s passage.
A ‘hot Jupiter’ (placed at a distance of 0.15, 0.25, or 0.5 AU from the star) forms the inner limit of the simulated disk, and in some simulations a Jupiter-sized planet is also placed at 5.2 AU.
www.physorg.com /news11909.html   (1231 words)

  
 Scientists Find Extrasolar Planet With Atmosphere Much Like Jupiter
In an announcement by the European Space Agency and NASA, a French-led research team said three separate observations by the Hubble telescope in 2001 revealed a hot and puffed-up hydrogen atmosphere surrounding a planet orbiting the star HD 209458, in the constellation Pegasus 150 light-years from Earth.
Like several other of these planets, HD 209458b is known as a "hot Jupiter," an object that orbits precariously close to its star.
Jupiter, the closest gas giant in the solar system, is almost half a billion miles from the Sun.
www.hcc.hawaii.edu /~pine/phil120/phil120web/hotjupiters.htm   (530 words)

  
 Hot Jupiter - Wikipedia, the free encyclopedia
They have a much greater chance of transiting their star as seen from Earth than planets of the same mass in larger orbits.
After hot Jupiters get their atmospheres stripped away, their cores may become chthonian planets.
Hot Jupiters (along left edge, including red dots) discovered up to and including 31 August 2004.
en.wikipedia.org /wiki/Hot_Jupiter   (339 words)

  
 Extrasolar Visions - 51 Pegasi b   (Site not responding. Last check: 2007-11-03)
Light was shed on the puzzle of the Hot Jupiters when simulations of protoplanetary disks showed that gas giants like Jupiter could migrate inward towards their stars, either due to drag against disk material or by gravitational perturbations with the disk.
Further evidence of the jovian nature of the Hot Jupiters came in 1999 when a Hot Jupiter was discovered around HD 209458.
Jupiter's moon Io is constantly stretched by the tidal forces of the massive planet and it's three other large moons (Europa, Ganymede, and Callisto).
www.extrasolar.net /planet.asp?PlanetID=1   (1988 words)

  
 Galileo Images - Jupiter: Hot Spots
Jupiter's Equatorial Region in the Near-Infrared (B/W frame)
Jupiter's Equatorial Region at 727 nanometers (B/W frame)
Jupiter's Equatorial Region at 889 nanometers (B/W frame)
www2.jpl.nasa.gov /galileo/images/jupiter/hotspots.html   (163 words)

  
 Earth-like planets may be more common than once thought, says new U. of Colorado-Penn State study
Such gas giants are believed to have migrated inward toward their parent stars as the planetary systems were forming, disrupting the space environment and triggering the formation of ocean-covered, Earth-like planets in a "habitable zone" conducive to the evolution of life, according to the new study.
The study indicates Hot Jupiters push and pull proto-planetary disk material during their journeys, flinging rocky debris outward where it is likely to coalesce into Earth-like planets, said Raymond.
Scientists had previously assumed that as Hot Jupiters plowed through proto-planetary material on their inward migrations toward parent stars, all the surrounding material would be "vacuumed up" or ejected from the system, he said.
www.eurekalert.org /pub_releases/2006-09/uoca-epm090506.php   (902 words)

  
 Distant planet is half fire, half ice - USATODAY.com   (Site not responding. Last check: 2007-11-03)
With one side always hot as lava and the other chilled possibly below freezing, Upsilon Andromeda b is a giant gas planet that orbits extremely close to Upsilon Andromeda, a star 40 light-years from our solar system in the constellation Andromeda.
Using infrared data collected by NASA's Spitzer Space Telescope, the researchers calculated that temperatures on the sunlit side of the Upsilon Andromeda b were between 2,550 to 3,000 degrees Fahrenheit (1,400 to 1,650 degrees Celsius) but only minus 4 to 450 degrees Fahrenheit (20 to 230 degrees Celsius) on the dark side.
Spitzer made infrared measurements of the planet at five different points during its orbit and found that its light levels went up and down, depending on whether its sunlit or dark side was facing Earth.
www.usatoday.com /tech/science/space/2006-10-16-hot-cold-planet_x.htm   (577 words)

  
 Harvard Gazette: Finding the hot planets beyond our solar system
Such immensities are now called "very hot Jupiters," because their atmospheres are hot enough to melt iron and they are as big as or bigger than the largest planet in our solar system.
Jupiter, god of light, was the chief Roman god.
Very hot Jupiters, and the other 100 or so extrasolar plants found to date, can't support life of an earthly kind.
www.news.harvard.edu /gazette/2004/10.14/03-sasselov.html   (1116 words)

  
 Science Monster - Our Solar System: Jupiter
If we would really want to try to see Jupiter's surface, we'd have to send something through all those clouds which are a few thousand kilometers deep.
Jupiter, itself, is made up of liquid hydrogen (see the next question) on the "surface." Below this is liquid metallic hydrogen.
Because Jupiter is a LOT smaller than the Sun, it just doesn't have a strong enough gravity to get the hydrogen atoms running around enough.
www.sciencemonster.com /planets_jupiter.html   (671 words)

  
 Chandra :: Photo Album :: Jupiter :: 27 Feb 02
While Chandra observed Jupiter for its entire 10-hour rotation, the northern auroral X-rays were discovered to be due to a single 'hot spot' that pulsates with a period of 45 minutes, similar to high-latitude radio pulsations previously detected by NASA's Galileo and Cassini spacecraft.
Although there had been prior detections of X-rays from Jupiter with other X-ray telescopes, no one expected that the sources of the X-rays would be located so near the poles.
The X-rays are thought to be produced by energetic oxygen and sulfur ions that are trapped in Jupiter's magnetic field and crash into its atmosphere.
chandra.harvard.edu /photo/2002/0001/index.html   (290 words)

  
 Jupiter Hot Spot Makes Trouble For Theory   (Site not responding. Last check: 2007-11-03)
Chandra's ability to accurately determine the location of the X-rays proved this model incorrect, as ions from regions of Jupiter's magnetic field near Io cannot reach the high Jovian latitudes where most of the X-rays were observed.
At the large distances required for the source of the ions --at least 30 times the radius of Jupiter -- spacecraft measurements have shown that there are not nearly enough energetic oxygen and sulfur ions to account for the observed X-ray emission.
One possibility is that heavy ions among the particles flowing out from the Sun as the solar wind are captured in the outer regions of Jupiter's magnetic field, then accelerated and directed toward its magnetic pole.
universe.nasa.gov /press/2002/020227a.html   (520 words)

  
 Jupiter
Jupiter is more than twice as massive as all the other planets combined (318 times Earth).
Galileo's discovery, in 1610, of Jupiter's four large moons Io, Europa, Ganymede and Callisto (now known as the Galilean moons) was the first discovery of a center of motion not apparently centered on the Earth.
Jupiter's satellites are named for other figures in the life of Zeus (mostly his lovers).
dept.physics.upenn.edu /nineplanets/jupiter.html   (2001 words)

  
 ESA Portal - European astronomers observe first evaporating planet
It is a type of extrasolar planet known as a 'hot Jupiter'.
HD 209458b belongs to a type of extrasolar planet known as ‘hot Jupiters’.
Hot Jupiters have orbits as brief as 3 days, but no less.
www.esa.int /export/esaCP/SEMD5P2A6BD_index_0.html   (912 words)

  
 [No title]
Jupiter is a 'gas giant', so it's not possible to land a ship on its surface.
Gierasch explains that, interestingly, the physical attributes of Jupiter's vast thunderstorms are the same as those on Earth, except Earth's storms develop because of the sun's heat and Jupiter's storms develop from its own internal heat source.
Jupiter's core still retains heat from the planet's original formation by collapse and compression.
www.lycos.com /info/jupiter--planets.html   (477 words)

  
 "Hot Jupiters" Could Give Rise to Earthlike Worlds, Study Says   (Site not responding. Last check: 2007-11-03)
As they move into their near-star orbits, hot Jupiters could be playing violent games of planetary billiards that produce Earthlike planets, he says.
Our Jupiter (Hubble image) is capable of hurling asteroids out of the solar system or into the sun and other planets by the sheer force of its gravity.
Ten years ago, when scientists detected the first hot Jupiter, they assumed that as the giant exoplanets plowed through debris during their inward migrations, any surrounding material would be similarly ejected.
news.nationalgeographic.com /news/2006/09/060907-hot-jupiters.html   (430 words)

  
 Jupiter   (Site not responding. Last check: 2007-11-03)
Jupiter is the fourth brightest object in the sky (after the Sun, the Moon and Venus; at some times Mars is also brighter).
Jupiter was first visited by Pioneer 10 in 1973 and later by Pioneer 11, Voyager 1 and Voyager 2.
Jupiter is about 90% hydrogen and 10% helium with traces of methane, water, ammonia and "rock".
kvtr.elte.hu /tnp/nineplanets/jupiter.html   (1524 words)

  
 Too Darn Hot: Science News Online, March 26, 2005   (Site not responding. Last check: 2007-11-03)
Dubbed hot Earths, these planets would be the lightweight siblings of hot Jupiters—the massive, close-in planets that researchers have detected traveling around more than 25 stars since 1995.
Hot Earths would orbit less than half as far from their parent stars as do these bigger, gaseous bodies.
Jupiters direct the delivery of chemical elements that might spawn life on habitable planets.
www.sciencenews.org /articles/20050326/bob9.asp   (2126 words)

  
 Jacuzzi Hot Tubs Spa manufactures Hot Tubs Direct UK   (Site not responding. Last check: 2007-11-03)
With over twenty-five years combined experience of manufacturing and retailing hot tubs, the management team have the expertise and knowledge required to produce the highest quality hot tubs on the British market today.
Because the hot tubs are manufactured in the UK, we are proud to be able to quote a standard delivery time of two weeks from receipt of order.
Our larger hot tubs are now available at lower specifications, and we have also introduced three new colours, giving our customers a much wider choice at the same great value.
www.hottubsdirectltd.co.uk /index.html   (262 words)

  
 SPACE.com -- Astronomers probing the vast northern lights that ring Jupiter's north pole have found a mysterious X-ray ...
Thediscovery of the hot spot is one of several surprises that have emerged from aunique opportunity scientists had last year to study Jupiter and the enormousmagnetic cocoon that surrounds it.
Sevenpapers that arose from that data were highlighted in the Feb. 28 issue of thejournal Nature, describing various aspects of Jupiter's magnetosphere and itsinteraction with the planet's upper atmosphere.
The evidencepoints to an origin much farther away from Jupiter, near the edge of itsmagnetosphere, where it meets the solar wind.
www.space.com /scienceastronomy/solarsystem/jupiter_hotspot_020311.html   (850 words)

  
 Hot Jupiter burning up as sun gets too close - smh.com.au
The planet is a "hot Jupiter" and is losing 10,000 tonnes of gas from its atmosphere every second.
As you might expect, the reference to Jupiter is because these planets are also gas giants.
While this hot Jupiter was in transit, the European astronomers analysed the light from its sun, which had passed through its atmosphere.
www.smh.com.au /articles/2003/04/05/1049459859116.html   (484 words)

  
 Io
Io was a maiden who was loved by Zeus (Jupiter) and transformed into a heifer in a vain attempt to hide her from the jealous Hera.
In contrast to most of the moons in the outer solar system, Io and Europa may be somewhat similar in bulk composition to the terrestrial planets, primarily composed of molten silicate rock.
This is probably because Jupiter was hot enough early in the evolution of the solar system to drive off the volatile elements in the vicinity of Io but not so hot to do so farther out.
www.seds.org /nineplanets/nineplanets/io.html   (764 words)

  
 Planet Quest: Missions - Keck Interferometer
Planets with a orbital radii less than 0.3 AU (Mercury is at 0.4 AU) are often referred to as "Hot Jupiters".
Our own Jupiter, on the other hand, is about a million times fainter than the Sun in the thermal infrared, and a billion times fainter in the visible and near infrared.
Direct detection of a "cold Jupiter" can only be done from space, but direct detection of a hot Jupiter can be done with the Keck Interferometer.
planetquest.jpl.nasa.gov /Keck/direct_detect.cfm   (458 words)

  
 APOD Search Results for "Jupiter"
Jupiter's rings were discovered in 1979 by the passing Voyager 1 spacecraft, but their origin was a mystery.
Galileo spacecraft that orbited Jupiter from 1995 to 2003.
Jupiter's diameter is over 11 times the diameter of Earth and the smallest storms visible in the Cassini Jupiter portrait are similar in size to large terrestrial hurricanes.
antwrp.gsfc.nasa.gov /cgi-bin/apod/apod_search?Jupiter   (10529 words)

  
 "New Worlds: Extrasolar Planetary Systems"   (Site not responding. Last check: 2007-11-03)
Because Jupiter and the other gas giants are all far from Earth, their gravity has not pulled on our planet enough to distort its orbit.
In a planetary system with a Hot Jupiter, by contrast, the dust that would have formed terrestrial planets was probably swept up or scattered as the giant planet spiraled in toward its star.
Terrestrial planets in a Hot Jupiter system would probably be wetter than the Earth because the migrating Hot Jupiter's gravity would cause many small icy bodies of the outer planetary system to fall into the inner planetary system.
members.aol.com /dsfportree/extrasolar.htm   (4629 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.