Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > sci.physics > #545732

Re: The Discovery of CMEs

Show all headers | View raw

Sam Wormley <swormley1@gmail.com> wrote:
>   The Discovery of CMEs
>> https://en.wikipedia.org/wiki/Coronal_mass_ejection#First_traces
> 
> 
>> First traces
> 
>> The largest recorded geomagnetic perturbation, resulting presumably
>> from a CME, coincided with the first-observed solar flare on 1
>> September 1859, and is now referred to as the Carrington Event, or
>> the solar storm of 1859. The flare and the associated sunspots were
>> visible to the naked eye (both as the flare itself appearing on a
>> projection of the sun on a screen and as an aggregate brightening of
>> the solar disc), and the flare was independently observed by English
>> astronomers R. C. Carrington and R. Hodgson. The geomagnetic storm
>> was observed with the recording magnetograph at Kew Gardens. The same
>> instrument recorded a crochet, an instantaneous perturbation of
>> Earth's ionosphere by ionizing soft X-rays. This could not easily be
>> understood at the time because it predated the discovery of X-rays by
>> R?ntgen and the recognition of the ionosphere by Kennelly and
>> Heaviside. The storm took down parts of the recently created US
>> telegraph network, starting fires and shocking some telegraph
>> operators.[8]
>>
>> Historical records were collected and new observations recorded in
>> annual summaries by the Astronomical Society of the Pacific between
>> 1953 and 1960.[18]
>>
>> First clear detections
> 
>> The first detection of a CME as such was made on 14 December 1971, by
>> R. Tousey (1973) of the Naval Research Laboratory using the seventh
>> Orbiting Solar Observatory (OSO-7).[19] The discovery image (256 ?
>> 256 pixels) was collected on a Secondary Electron Conduction (SEC)
>> vidicon tube, transferred to the instrument computer after being
>> digitized to 7 bits. Then it was compressed using a simple run-length
>> encoding scheme and sent down to the ground at 200 bit/s. A full,
>> uncompressed image would take 44 minutes to send down to the ground.
>> The telemetry was sent to ground support equipment (GSE) which built
>> up the image onto Polaroid print. David Roberts, an electronics
>> technician working for NRL who had been responsible for the testing
>> of the SEC-vidicon camera, was in charge of day-to-day operations. He
>> thought that his camera had failed because certain areas of the image
>> were much brighter than normal. But on the next image the bright area
>> had moved away from the Sun and he immediately recognized this as
>> being unusual and took it to his supervisor, Dr. Guenter
>> Brueckner,[20] and then to the solar physics branch head, Dr. Tousey.
>> Earlier observations of coronal transients or even phenomena observed
>> visually during solar eclipses are now understood as essentially the
>> same thing.
 
Didn't know the details as indicated by my comments on your other
cut and paste spam on the subject of CME's, so you had to go and look
it up then cut and paste the results so you wouldn't look so ignorant,
right, cut and paste spamming shit head?
 
 

-- 
Jim Pennino

Back to sci.physics | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

The Discovery of CMEs Sam Wormley <swormley1@gmail.com> - 2016-01-15 15:50 -0600
  Re: The Discovery of CMEs jimp@specsol.spam.sux.com - 2016-01-16 00:10 +0000
    Re: The Discovery of CMEs Sam Wormley <swormley1@gmail.com> - 2016-01-15 18:31 -0600
      Re: The Discovery of CMEs jimp@specsol.spam.sux.com - 2016-01-16 01:40 +0000
        Re: The Discovery of CMEs Sam Wormley <swormley1@gmail.com> - 2016-01-15 22:20 -0600
          Re: The Discovery of CMEs jimp@specsol.spam.sux.com - 2016-01-16 07:03 +0000
            Re: The Discovery of CMEs Sam Wormley <swormley1@gmail.com> - 2016-01-24 21:59 -0600
              Re: The Discovery of CMEs jimp@specsol.spam.sux.com - 2016-01-25 04:41 +0000
                Re: The Discovery of CMEs Sam Wormley <swormley1@gmail.com> - 2016-01-24 23:52 -0600
                Re: The Discovery of CMEs jimp@specsol.spam.sux.com - 2016-01-25 06:58 +0000
                Re: The Discovery of CMEs Sam Wormley <swormley1@gmail.com> - 2016-01-25 08:17 -0600
                Re: The Discovery of CMEs jimp@specsol.spam.sux.com - 2016-01-25 19:20 +0000
              Re: The Discovery of CMEs "hanson" <hanson@quick.net> - 2016-01-24 22:11 -0800
  Re: The Discovery of CMEs "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-01-16 10:02 -0800

csiph-web