We use high-resolution observations of the Sun in Ca II H (3968Å) from the Solar Optical Telescope on Hinode to show that there are at least two types of spicules that dominate the structure of the magnetic solar chromosphere. Both types are tied to the relentless magnetoconvective driving in the photosphere, but have very different dynamic properties. “Type-I” spicules are driven by shock wave...

Solar spicules are small-scale jet-like structures in the lower solar atmosphere. Currently, formation of these widely distributed lacks a complete explanation. It is still unclear whether they play an essential role corona heating. Here, based on magnetohydrodynamic scaling transformation relation, we perform experiments with interaction high power laser one-dimensional sinusoidal modulated ta...

We explore joint observations of the South-East limb made by Hinode, TRACE and SOHO/SUMER on April 12, 2008 as part of the Whole Heliosphere Interval (WHI) Quiet Sun Characterization targeted observing program. During the sequence a large, 10Mm long, macro-spicule was sent upward and crossed the line-of-sight of the SUMER slit, an event that affords us an opportunity to study the coupling of co...

The solar limb brightening has also been earlier studied in various microwave frequencies [1-4] and also in Extreme Ultraviolet (EUV) region [5,6]. The observations of solar limb brightening have highly variations and sometimes they have given even contradictory results. Several authors have reported the absence of limb brightening (such as [7]) at 35 GHz. This study focuses on studying limb br...

Determining the magnetic field of solar spicules is vital for developing adequate models of these plasma jets, which are thought to play a key role in the thermal, dynamic, and magnetic structure of the chromosphere. Here we report on magnetic spicule properties in a very quiet region of the off-limb solar atmosphere, as inferred from new spectropolarimetric observations in the He I 10830 Å tri...