Results 231 to 240 of about 112,391 (274)
Some of the next articles are maybe not open access.
Annual Review of Astronomy and Astrophysics, 2001
We focus on new observational capabilities (Yohkoh, SoHO, TRACE), observations, modeling approaches, and insights into physical processes of the solar corona. The most impressive new results and problems discussed in this article can be appreciated from the movies available on the Annual Reviews website and at http://www.lmsal.com/pub/araa/araa.html .
Markus J. Aschwanden +2 more
openaire +1 more source
We focus on new observational capabilities (Yohkoh, SoHO, TRACE), observations, modeling approaches, and insights into physical processes of the solar corona. The most impressive new results and problems discussed in this article can be appreciated from the movies available on the Annual Reviews website and at http://www.lmsal.com/pub/araa/araa.html .
Markus J. Aschwanden +2 more
openaire +1 more source
1988
The structure of the quiet solar corona is considered, excluding the effect of magnetic active regions. Starting with a simple one-dimensional geometry, models are derived both from ab initio theory and from analysis of spectral line intensities. To overcome the inconsistencies which arise, account is taken progressively of two-dimensional effects; the
openaire +1 more source
The structure of the quiet solar corona is considered, excluding the effect of magnetic active regions. Starting with a simple one-dimensional geometry, models are derived both from ab initio theory and from analysis of spectral line intensities. To overcome the inconsistencies which arise, account is taken progressively of two-dimensional effects; the
openaire +1 more source
Astrophysics and Space Science, 1996
The solar corona, and the coronae of solar-type stars, consist of a low-density magnetized plasma at temperatures exceeding 106 K. The primary coronal emission is therefore in the UV and soft x-ray range. The observed close connection between solar magnetic fields and the physical parameters of the corona implies a fundamental role for the magnetic ...
openaire +1 more source
The solar corona, and the coronae of solar-type stars, consist of a low-density magnetized plasma at temperatures exceeding 106 K. The primary coronal emission is therefore in the UV and soft x-ray range. The observed close connection between solar magnetic fields and the physical parameters of the corona implies a fundamental role for the magnetic ...
openaire +1 more source
Highlights of Astronomy, 2005
A typical temperature for the quiet solar corona is ~ 1.5 x 106K, whereas the photosphere – the likely source of the thermal energy – has a temperature less than 6 × 103 K. Although many theories have been advanced to explain why the corona is so much hotter than the photosphere, this old problem remains unsolved. However, there is a mechanism based on
openaire +1 more source
A typical temperature for the quiet solar corona is ~ 1.5 x 106K, whereas the photosphere – the likely source of the thermal energy – has a temperature less than 6 × 103 K. Although many theories have been advanced to explain why the corona is so much hotter than the photosphere, this old problem remains unsolved. However, there is a mechanism based on
openaire +1 more source
Scientific American, 1983
In the past decade what is known about the corona has been vastly enlarged by instruments on the ground and on spacecraft, manned and unmanned. The corona is observed to be in a continuous state of flux, punctuated by periodic explosive outbursts. From spectroscopic observations the temperature of the corona is estimated to be between one and two ...
openaire +1 more source
In the past decade what is known about the corona has been vastly enlarged by instruments on the ground and on spacecraft, manned and unmanned. The corona is observed to be in a continuous state of flux, punctuated by periodic explosive outbursts. From spectroscopic observations the temperature of the corona is estimated to be between one and two ...
openaire +1 more source
2018
After relaying Linda’s story to a couple of agile transformation consultants, I asked, “So how’d she do it?”
openaire +1 more source
After relaying Linda’s story to a couple of agile transformation consultants, I asked, “So how’d she do it?”
openaire +1 more source
2005
This paper reviews our present understanding of coronal heating, structuring and variability that has emerged from space observations of the Sun and nearby stars. It is shown that a basic analogy exists between solar coronal physics and the phenomena observed in the coronae of other late-type stars.
openaire +1 more source
This paper reviews our present understanding of coronal heating, structuring and variability that has emerged from space observations of the Sun and nearby stars. It is shown that a basic analogy exists between solar coronal physics and the phenomena observed in the coronae of other late-type stars.
openaire +1 more source
Molecular engineering of contact interfaces for high-performance perovskite solar cells
Nature Reviews Materials, 2022Furkan H Isikgor +2 more
exaly
The protein corona from nanomedicine to environmental science
Nature Reviews Materials, 2023Assist Prof Morteza Mahmoudi +2 more
exaly