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Major extrasolar planet announcement Wednesday

croxiscroxis I am the walrus
From Badastronomy.com

On January 25 at 16:00 Universal time (08:00 Pacific), the European Space Agency (ESA) will make a major extrasolar planet announcement.

Frustratingly, that is all they are saying ("embargoed" generally means the press get advance notice, but they aren’t allowed to release any information until after the announcement– I have not received any other info, however). We’ve seen many big releases in the past about extarsolar planets, from multiple planets in one system to the lowest mass planet found, about half the mass of Uranus (a planet orbiting the nearby star Gliese 876).

I’ve chatted with astronomer-friends about stuff like this, and most of us agree that the next major announcement would have to be pretty big, but it’s hard to say what it could be. I guess we’ll find out Wednesday morning!

Comments

  • shadow boxershadow boxer The Finger Painter & Master Ranter
    prolly the comet/asteroid thats gonna wipe us humies out..:)
  • SanfamSanfam I like clocks.
    While I've got nothing to back my assumptions up, the topic of "Major Extrasolar planet" would likely mean that through some means or another, we've been able to locate either a rocky non-gas giant palnet outside of Sol, or even better...An earth-like planet.
  • croxiscroxis I am the walrus
    As of December 2005, there were 146 known planetary systems around main sequence stars, containing at least 170 known planets.

    Also the smallest ExP detected is 6-8 earth masses

    (From wikipedia)
  • SanfamSanfam I like clocks.
    The problem is that these tiny masses have never been verified as being a particular type of planet, partly due to the inability to make direct observations. (We've only used a limited means of taking measurements, such as observing star wobble or regular interference in spectral or visible light patterns. I would suspect a couple are tiny gas planets, but they could very well be rocky worlds. I forget what the smallest estimated mass for a gas planet is, but I believe it's hovering around 7 to 10 earth masses.

    so verification of such would be a great step. Also, as stated, earth-sized planets would be a massive step.
  • croxiscroxis I am the walrus
    Distance to star and star size is another factor as solar winds will remove any atm. IIRC the one I mentioned was less than .02 Au from a red dwarf so, i would argue, depending on the age of the star, that its prolly a big rock
  • Falcon1Falcon1 Elite Ranger
    What they've spotted Galactica entering our Solar System with the entire Cylon Fleet hot on its heels??? :D

    Seriously though this sounds interesting!
  • MessiahMessiah Failed Experiment
    Oooh! It would be fun if they have found and earth-like-mass planet!! :)

    Even better if they found it within the habitable region of a star. :D
  • MessiahMessiah Failed Experiment
    From the ESA site:

    [QUOTE]ESA TV News

    The scientific journal NATURE will publish in its issue dated 26 January 2006, a major paper on a discovery addressing extra-solar planets.

    The European Southern Observatory ESO contributed to this publication and has produced a Video News Release featuring new 3-D graphics, background footage and interview soundbites.

    As for all NATURE papers, this release is strictly embargoed until 25 January 2006, at 18:00 GMT.

    At that time, the script for this TV Exchange will be posted as a PDF file on [url]http://television.esa.int[/url]

    Also a pre-view video clip will be online on the ESA TV Website.

    This ESA TV Exchanges feed is transmitted by the European Commission's "Europe by Satellite" (EbS) service. You can find the complete transmission schedule and download scripts and shot lists, also for ESA TV items, from the EbS Web site at [url]http://europa.eu.int/comm/ebs/schedule.cfm[/url]


    More backgroud information can be found on: [url]http://www.eso.org[/url]

    [/QUOTE]
  • BigglesBiggles <font color=#AAFFAA>The Man Without a Face</font>
    I'm guessing it's something to do with [url=http://www.nzherald.co.nz/section/story.cfm?c_id=82&objectid=10365416]this story[/url] from this morning's paper.
  • croxiscroxis I am the walrus
    Badastronomy and space.com report the same.

    5 earth masses
    star 25,000 ly away
    Planet Name OGLE-2005-BGL-390Lb
    Star Type: Red
    Orbit: 2 AU
  • MessiahMessiah Failed Experiment
    Interesting.

    Hopefully more earthsize planets will pop up soon.
  • bobobobo (A monkey)
    [QUOTE][i]Originally posted by croxis [/i]
    [B]
    Planet Name OGLE-2005-BGL-390Lb
    [/B][/QUOTE]

    Oggle Biggle's 390 pounds? Isn't that a bit personal, Mr. B.?
  • BigglesBiggles <font color=#AAFFAA>The Man Without a Face</font>
    It would be if I weighed even half that...
  • Random ChaosRandom Chaos Actually Carefully-selected Order in disguise
    It's 5 times earth's diameter right? That means it is probably about 25 times earth's mass. Since pounds are a unit of weight, not mass, 390LBS on that world would probably be about 15-16LBS here on earth.

    :D
  • croxiscroxis I am the walrus
    its 5 earth masses, not diameter
  • MartianDustMartianDust Elite Ranger
    No more news? Saw it on the news here if this is the same one and they said it was like earth but alot further from the sun and is ice rock. Hardly like the earth if you ask me.
  • FreejackFreejack Jake the Not-so-Wise
    I believe it is most earth-like in the fact that it's not a gas giant.

    Jake
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