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Latest Corona Stories

2014-05-27 08:21:19

CORONA, Calif., May 27, 2014 /PRNewswire-iReach/ -- About Hyundai Fountain Valley, Ca. - Hyundai Motor America, has moved into their $200 million U.S.

2014-05-26 23:00:27

Riverside and Corona, CA gopher removal Riverside and Corona, CA gopher removal efforts

2014-05-22 08:25:44

IBIZA, Spain, May 22, 2014 /PRNewswire/ -- Electronic music platform SFX Entertainment set Ibiza's International Music Summit (IMS) alight today, announcing a global partnership

solar flare March 29
2014-05-08 05:31:14

An X-class solar flare that erupted on March 29 was observed by four different spacecraft and one ground-based observatory, making it the best viewed phenomenon of its kind.

2014-05-06 12:27:23

The authentic beer brand teams up with Clint Dempsey to celebrate soccer's big year CHICAGO, May 6, 2014 /PRNewswire/ -- To celebrate a summer of world-class soccer,

2014-04-30 23:03:03

Gopher extermination efforts have been increased in irrigated landscapes in the Riverside

2014-04-30 16:25:04

VANCOUVER, April 30, 2014 /PRNewswire/ - Sierra Metals Inc.

corona atlas of the middle east
2014-04-26 05:43:51

Reconnaissance photos captured by Cold War-era spy satellites have tripled the number of known archaeological sites located throughout the Middle East, the creators of a new atlas revealed Thursday at the Society for American Archaeology's annual conference.

What's Lurking Beneath The Surface Of The Sun?
2014-04-21 12:49:25

Like a balloon bobbing along in the air while tied to a child's hand, a tracer has been found in the sun's atmosphere to help track the flow of material coursing underneath the sun's surface.

predicting space weather
2014-03-28 11:37:56

Video of magnetic field lines 'slipping reconnection' bring scientists a step closer to predicting when and where large flares will occur.


Latest Corona Reference Libraries

6_9f9676753bcc717a861f93bfceb7d2f82
2004-10-19 04:45:41

Corona -- The corona is the luminous "atmosphere" of the Sun extending millions of kilometers into space, most easily seen during a total solar eclipse. An interesting feature of the corona is the fact that it is much hotter than the visible "surface" of the Sun; the photosphere is approximately 6000°C compared to the corona at over one million °C. The corona is much less dense than the photosphere, however, and so produces less light. The exact mechanism by which the corona is...

4_5d937e9435f471d0f5354cef6f8fdcda2
2004-10-19 04:45:41

Solar Prominence -- Solar prominences are large arch-shaped structures observable in the solar corona. These often have a twist and occasionally become unstable, ejecting plasma and magnetic flux out from the sun. The physics of solar prominence instability is believed to be governed by magnetic forces and magnetic helicity issues. It is thought that instability occurs when a magnetic flux tube becomes excessively twisted. ----- Click here to learn more on this topic from eLibrary:

4_c3e26bdabe1325e08e2593b25329604b2
2004-10-19 04:45:41

Solar Flare -- A solar flare is a violent eruption that explodes from a star's photosphere with energies equivalent to tens of millions of hydrogen bombs. Solar flares from the Sun send out a streams of highly energetic solar wind that can present a radiation hazard to spacecraft outside of planetary magnetospheres and can disrupt radio signals on Earth. Solar flares were first observed on the Sun in 1859 by English astronomer Richard Carrington. They have also been observed to...

4_a9775d2328a386c7976f6f9895c6d2ac2
2004-10-19 04:45:40

The Sun -- intensely hot, self-luminous body of gases at the center of the solar system. Its gravitational attraction maintains the planets, comets, and other bodies of the solar system in their orbits. The sun is actually a star of about medium size; it appears larger than the other stars because of its relative nearness to the earth. The earth's distance from the sun varies from 91,377,000 mi (147,053,000 km) at perihelion to 94,537,000 mi (152,138,000 km) at aphelion (see apsis). The...

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Word of the Day
swell-mobsman
  • A member of the swell-mob; a genteelly clad pickpocket. Sometimes mobsman.
Use of the word 'swell-mobsman' dates at least to the early 1800s.