Science Fiction Dictionary
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

 

Gas Giant Exoplanet Can Has Moons?

A gas giant exoplanet is believed to be circling binary star HD 176051. Both stars are similar in size to our own sun (1.07 and .71 solar masses); although it is not known which star the exoplanet orbits, it appears to be within the habitable zone of the star system.


( Planetary System around the Star HD 176051 )

Space experts generally agree that the best way to explain how planets are formed in general is by slow accretion of material in the protoplanetary disk surrounding new stars.

These disks are basically fields of debris, made up of cosmic dust and gas, which are left behind after a star is born inside a nebula. The debris begins to spin around the giant fireball, and eventually clump together to form planets and other space objects over millions of years.

But such a formation process would have been impossible around HR 7162, experts say. This location would have made it impossible for the accretion disk to coalesce into something even remotely similar to a planet.

Gravitational forces are strong enough near a regular star, but a binary is not only producing immense pulls, but also turbulences and interplays that would have certainly ripped through a surrounding protoplanetary disk with ease.

But what the finding does support is an alternative theory on planetary formation, which holds that denser regions in the disks form the space bodies a lot faster, by collapsing under their own weight, under their own gravitational pull.

The investigators behind the new study also determined that the second method would produce a large exoplanet within only a few thousand years.

Science fiction writers did not invent the idea of inhabitable moons. In 1634, just twenty-five years after Galileo turned his new telescope on the moon, and announced its imperfect (and thus more Earth-like) surface, Englishman John Wilkins published his first scholarly work, entitled The Discovery of a World in the Moone: Or A Discourse Tending To Prove that 'tis probable there may be another habitable World in that Planet. SF writers, however, certainly popularized the idea.

Depending on your fan preference, you might be thinking of Pandora, the gas giant exoplanet moon in the recent blockbuster Avatar.


(Avatar's moon Pandora)

Or, you might be thinking the gas giant exoplanet forest moon Endor from Star Wars.


(Avatar's moon Pandora)

Via Softpedia.

Scroll down for more stories in the same category. (Story submitted 10/24/2010)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 0 )

Related News Stories - (" Space Tech ")

First Ever Proof Of Water On Asteroids
'Yes, strangely enough there was still sufficient water beneath the surface of Vesta.' - Raymond Z. Gallun, 1951.

Gigantic Space Sunshade Would Fight Global Warming
'...the light of the sun had been polarized by two crossed fields so that no radiation could pass.' - Arthur C. Clarke, 1953.

Untethered Spacewalk's 50th Anniversary
'But that space walk of mine wasn't so very amazing.' - Dom Passante, 1939.

ESA Designs Huge Inflatable Moonbase
'It was like being inside a balloon; indeed, that was exactly where he was.' - Arthur C. Clarke, 1961.

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

Science Fiction Timeline
1600-1899
1900-1939
1940's   1950's
1960's   1970's
1980's   1990's
2000's   2010's

Current News

Ulm Sleep Pods For The Homeless
'The lid lifted and she crawled inside...'

Prophetic Offers Lucid Dreaming Halo With Morpheus-1 AI
''Leads trail away from insertion points on her face and wrist... to a lucid dreamer...'

More Like A Tumblebug Than A Motorcycle
'It is about the size and shape of a kitchen stool, gyro-stabilized on a single wheel...'

Tesla Camera-Only Vision Predicted In 1930's SF
'By its means, the machine can see.'

First Ever Proof Of Water On Asteroids
'Yes, strangely enough there was still sufficient water beneath the surface of Vesta.'

Aptera Solar EV More Stylish Than Heinlein Steel Tortoise
'When confronted by hills, or rough terrain, it did not stop, but simply slowed until the task demanded equaled its steady power output.'

Gigantic Space Sunshade Would Fight Global Warming
'...the light of the sun had been polarized by two crossed fields so that no radiation could pass.'

Untethered Spacewalk's 50th Anniversary
'But that space walk of mine wasn't so very amazing.'

ESA Designs Huge Inflatable Moonbase
'It was like being inside a balloon; indeed, that was exactly where he was.'

AlphaGarden Robot Cares For Gardens Better Than Humans
'...a simple clock-set servok with pipe and hose arms.'

Let's Make Slaver Sunflowers! Engineering Plants To Reflect Light
'The mirror-blossom was a terrible weapon.'

TeslaBot Uber Driver (2024) And The Automatic Motorist (1911)
'Robots have worse problems than anybody'

DiffuseBot Uses Generative AI To Invent New Soft Robots
'It embodies several small-scale multiple stampers, apparently for dealing with sheet metal.'

Philips Smart Palm Recognition Smart Deadbolt
'A palm lock must be keyed to one individual's hand shape...'

BMind Smart Mirror from Baracoda
Mirror, mirror, on the wall, who has the greatest wellness of all?

Ballie Your AI Robot Companion From Samsung
Projects your content anywhere you like.

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.