... The back-to-back Martyn and Pawsey Nature papers were the first that described the radio properties of the hot corona, caused by free-free emission in the corona. ...
... Operating at 1420 MHz (21cm) with a 3 arcmin beam, this array revealed the sizes, brightness temperatures and heights of 'radio plages' in the solar corona, located above chromospheric (optical) plages. ...
... astronomy telescopes, including a synthesis telescope (32 x 1.8-m dishes operating at 1420 MHz) to observe the solar corona in the early 1950s. The first six minutes of this video - "CSIRO Division of Radiophysics in 1949" - highlight the radio astronomy ...
... Embedded in a corona of million-degree gas, neutral and ionised gas clouds move with high radial velocities $(|v| > 40~\mathrm{km \, s}^{-1})$ through the Milky Way halo, giving rise to the population of intermediate- and high-velocity clouds (Wakker 2004 ...
... Having studied the solar corona and its radio emissions sunspot cycles ago, I was ... BRILLIANT! No photographs prepare you for the sight of the solar corona. ... The brilliance and extent of the corona gave it a shimmering appearance. ...
... We see that the single-temperature corona spectrum has a cutoff at below 1.0 MeV ... has the same slope between 2-100 keV for both the single and double corona models ...
... corona above a standard thin accretion disk, and a spherical or quasi-spherical ... outer-corona electrons is unknown, but could be any one of stochastic acceleration ...