archive: SETI Searching for exoplanets (Sagan: Re: Cosmos "Akita")

SETI Searching for exoplanets (Sagan: Re: Cosmos "Akita")

Larry Klaes ( lklaes@bbn.com )
Wed, 09 Dec 1998 08:55:31 -0500

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>Date: Tue, 8 Dec 1998 14:28:53 CST6CDT,3,-1,0,7200,10,-1,0,10800,3600
>X-OldDate: Tue, 8 Dec 1998 15:27:10 -0500 (EST)
>Sender: carlsagan-owner <carlsagan-owner@craigerware.avalon.net>
>Reply-To: "Carl Sagan List" <carlsagan@craigerware.avalon.net>
>From: "Maia C. Hansen" <mch@slartibartfast.magrathea.com>
>To: carlsagan@craigerware.avalon.net
>Subject: Sagan: Re: Cosmos "Akita"
>
>As Paul Mundy said . . .
>>
>[snip]
>>
>> He was also explaining during this sequence, how extra-solar
>> planets would be discovered. He said that a spacecraft was
>> to be launched in the next decade which would block out the
>> light from a star thus allowing any planets orbiting it to be
>> seen.
>>
>> Obviously this project never got off the ground, but does
>> anyone know anything about it?
>
>Paul --
>
>That sounded awfully familiar to me, so I did some web searches
>about it. The concept (of blocking light from a star to see
>fainter objects around it) appears to be an old one, and the
>instrument is called a "stellar coronagraph". (This from

>http://www.mpia-hd.mpg.de/MPIA/Projects/STARS/kalas/corona.html)

>Apparently, the Hubble has at least one, and some people, at
>least, will be using it to search for protoplanetary disks (check out

>http://www.aas.org/publications/baas/v29n5/aas191/abs/S010001.html

>for a little more info).
>
>Perhaps Carl was referring to the Hubble? I don't remember
>the sequence, I'm afraid...
>
>--maia
>
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