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Category/Subcategory: Natural Sciences/Astronomy

Views: 311

Solar scientists gather to calibrate the sun's strength

Author: Euronews Knowledge
Made by euronews, the most watched news channel in Europe. euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-tech experts.

Views: 34

Simulation of a spherical magneto-acoustic wave propagating in the solar atmosphere: interaction with magnetic canopy, $\delta B$

Author: Christian Nutto
The spherical magneto-acoustic wave is excited right beneath the magnetic canopy. The color map shows the magnetic field perturbations $\delta B$. The fast magnetic mode in the low regime is supported by magnetic forces, causin ... more

Views: 544

The G320-G330 sector of the Galaxy in atomic and molecular gas

Author: Michael Burton
G320-330: A comparison along the sector of the Galactic Plane from l=320°-330° of the atomic hydrogen from the SGPS (top; McClure-Griffiths et al. 2005), $^{12}$CO from our Mopra CO survey (middle; Braiding et al. 2015) and $^{1 ... more

Views: 616

Simulation of a spherical magneto-acoustic wave propagating in the solar atmosphere: interaction with magnetic canopy, $\delta v$

Author: Christian Nutto
The spherical magneto-acoustic wave is excited right beneath the magnetic canopy. The color map shows the velocity perturbations $\delta |v|$. The green contours display the equipartition level, where $c_\mathrm{s} =c_\mathrm{A}$.

Views: 708

Slipping reconnection - Movie 1

Author: Michal Sobotka
Slipping reconnection model

Views: 450

Tornadoes in the solar atmosphere: Velocity streamlines

Author: Christian Nutto
The sequence shows the evolution of dynamic structures resembling tornadoes in the solar atmosphere. The red lines represent stream lines of the velocity field in the solar atmosphere. The contour shows the dynamic evolution of th ... more

Views: 745

Spicules and their on-disk counterparts - The main driver for solar chromospheric heating? - The GREGOR Fabry-Perot Interferometer @ VTT

Author: Klaus Gerhard Puschmann
Time series VI (14 min). Left panel - reconstructed white-light intensity-maps @ 656nm. Right panel - Hα Line Wing intensities. Remarkable feature - interaction of small-scale quiet-sun magnetic field at solar disk center, driven ... more

Views: 889

Spicules and their on-disk counterparts - The main driver for solar chromospheric heating? - The GREGOR Fabry-Perot Interferometer @ VTT

Author: Klaus Gerhard Puschmann
Time Series II (4 min): North-east limb - off-limb Spicules (in emission) and on-disk counterparts (in absorption), recorded on 4 May 2005 with the GREGOR Fabry-Perot Interferometer (Puschmann et al. 2006, A&A 451, 1151) deployed ... more

Views: 820

Stephen Hawking helps unveil interstellar travel project

Author: Euronews Knowledge
Made by euronews, the most watched news channel in Europe. euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-tech experts.

Views: 296