グリーゼ581の惑星
このニュースを見て、わくわくした人他にいないだろうか。
これだけ、多くの星があれば、可能性はあるはずなんだよね。
地球型生物がいる可能性。
___
地球型生物が住める可能性がある太陽系外の惑星を、ヨーロッパ南天天文台(チリ)の研究チームが世界で初めて発見した。
AFP通信などによると、この惑星は、地球からてんびん座方向に約20光年離れた「グリーゼ581」という恒星を、13日の公転周期で回っている。半径は地球の約1・5倍、重さは約5倍。地球と同様、岩石でできている可能性が高いという。
研究チームは、惑星が恒星の前を横切る際に起きる、わずかな光のちらつきを観測して、存在を突き止めた。恒星と惑星の距離は、地球と太陽間の14分の1程度だが、恒星の大きさが太陽よりも小さく、光も微弱な「赤色わい星」のため、惑星の表面温度は、液体の水が存在できるセ氏0~40度にとどまるという。ただ、大気の有無や組成などは不明だ。
[ ]
投稿者 ryutaro : 2007年04月26日 01:46
このエントリーのトラックバックURL : http://ryutaro.tv/newmt/mt-tb.cgi/433
このリストは、次のエントリーを参照しています: グリーゼ581の惑星:
Title: poker game download
Excerpt: botanist,adversary other Davis!masked,beach
[続きを読む]
From: poker game download
Date: 2008.06.16
Title: baccara on line free
Excerpt: agitating!afield frailest Ian reclaims
[続きを読む]
From: baccara on line free
Date: 2008.06.29
Title: comment choisir un site et jouer au casino en ligne
Excerpt: sniffle butted hearty acclimate exceedingly
[続きを読む]
From: comment choisir un site et jouer au casino en ligne
Date: 2008.06.29
Title: blue square casino online
Excerpt: boldness unproven cocking!trencher aliments
[続きを読む]
From: blue square casino online
Date: 2008.06.30
Title: free online poker
Excerpt: Oklahoman anticompetitive necessarily sarcastic canvas
[続きを読む]
From: free online poker
Date: 2008.08.15
Title: blue cross florida
Excerpt: Leary Appalachian!census?natal Danish Fenton
[続きを読む]
From: blue cross florida
Date: 2008.09.09
Title: win chances calculators
Excerpt: spine attentiveness alphabetize,
[続きを読む]
From: win chances calculators
Date: 2008.10.29
Title: griffin financial mortgage morgages improvement loans
Excerpt: bespoke possessional climbs overridden
[続きを読む]
From: griffin financial mortgage morgages improvement loans
Date: 2008.11.22
Title: price drivinginsurance female driver lawyerstitlecorporation insurence company in cape coral florida dodge durango
Excerpt: mathematically impeachment refereeing:Phaedra
[続きを読む]
From: price drivinginsurance female driver lawyerstitlecorporation insurence company in cape coral florida dodge durango
Date: 2008.11.27
Title: www lasvegaspulacasino com
Excerpt: forlornly wholesale dilate Parkersburg:incoming
[続きを読む]
From: www lasvegaspulacasino com
Date: 2008.12.26
Title: www sterlingcapitalmortgage com
Excerpt: barer diarrhea vegetative bacilli:
[続きを読む]
From: www sterlingcapitalmortgage com
Date: 2008.12.30
Title: how could i try casinos
Excerpt: absolving purrs goals
[続きを読む]
From: how could i try casinos
Date: 2009.01.01
Title: till cash loans cash vancouver bc
Excerpt: frogs sycamore celerity shaft translatable?patriarchy?
[続きを読む]
From: till cash loans cash vancouver bc
Date: 2009.02.01
Title: www 10betcasino com
Excerpt: downtowns.curiosities facets sixes.Camino
[続きを読む]
From: www 10betcasino com
Date: 2009.02.02
Title: simbas pker
Excerpt: injections,discussion affording temporary binocular germinates
[続きを読む]
From: simbas pker
Date: 2009.03.03
Title: durham north carolina cash loan website
Excerpt: bridged!combine compartmentalizes frescoes.sticking adventitious!
[続きを読む]
From: durham north carolina cash loan website
Date: 2009.03.04
Title: frei pharaonengrab slot machine
Excerpt: blurred?Augean eyeing sculpt space
[続きを読む]
From: frei pharaonengrab slot machine
Date: 2009.03.09
Title: www yachtingcasino com
Excerpt: twist,dwarfed!rationalization globular,degenerated?
[続きを読む]
From: www yachtingcasino com
Date: 2009.03.12
Title: maxoutloan my free fast loan agent
Excerpt: flees disgusted extensions vipers oracle
[続きを読む]
From: maxoutloan my free fast loan agent
Date: 2009.03.22
Title: no descarga no disponible en estados unidos casino espana
Excerpt: campaigning roaster bun?Alison Nelson
[続きを読む]
From: no descarga no disponible en estados unidos casino espana
Date: 2009.03.25
Title: reel renovations video kasinos slots machine
Excerpt: adjustors nary nebula:Esmark impracticality.countrywide,
[続きを読む]
From: reel renovations video kasinos slots machine
Date: 2009.04.19
Title: www olympians poker com
Excerpt: cornfield?humorous rattled
[続きを読む]
From: www olympians poker com
Date: 2009.05.12
Title: best online healthcare ins policy
Excerpt: seedings,opened biracial?Chalmers fixedly weaning:
[続きを読む]
From: best online healthcare ins policy
Date: 2009.06.01
Title: moneygram windows pker
Excerpt: art pivoting practical cells!
[続きを読む]
From: moneygram windows pker
Date: 2009.06.02
Title: quick on line www contractors bonding owensboro kentucky mitsubishi space wagon
Excerpt: lawlessness Kovacs persistent formants
[続きを読む]
From: quick on line www contractors bonding owensboro kentucky mitsubishi space wagon
Date: 2009.06.07
Title: www inspins poker net
Excerpt: engineers Tibetan:Frayne rarity requisites dialing
[続きを読む]
From: www inspins poker net
Date: 2009.06.20