1 day ago · Solar Pick SOHO's 30th Birthday (December 02, 2025) We are celebrating 30 years since the launch of SOHO. Happy Birthday! more »

This paper explores price competition with exogenous product differentiation in a spatial model similar to that of Nakagawa (2023). Nakagawa examines product differentiation within the framework of Va...

3 days ago · Windows to the Universe: Space Weather Today Human Impacts of Solar Storms and Space Weather IPS Real-Time Space Weather Status SOHO Halo Alert Reports Solar Terrestrial …

This paper establishes a quantitative stability theory for one-dimensional stochastic differential equations (SDEs) with non-zero drift, driven by a symmetric $α$-stable process for $α\in(1,2)$. Our...

The SOHO summary data is a collection of daily solar data obtained by different SOHO instruments. For non-solar physicists, to learn some of the theory behind Solar observations, please visit our How ...

Sun-as-a-star observations are very important for the study of the conditions within the Sun and in particular for the deep interior where higher degree modes do not penetrate. They are also of signif...

3 days ago · ANNOUNCEMENT (February 26, 2026): All systems, including this website and data processing will be offline due to data center relocation starting on March 9th at 07:30 AM EST …

In [8] (Nakagawa, et.al., IEEE Trans. IT, 2021), we investigated the convergence speed of the Arimoto-Blahut algorithm. In [8], the convergence of the order $O(1/N)$ was analyzed by focusing on the se...

1 day ago · NOTICE: There is an image outage of the Sunspot images due to a cooling water line burst in the Joint Science Operations Center (JSOC) at Stanford University on 2024-11-26. The images ar...

ASTRO-F is the second Japanese space mission for infrared astronomy and is scheduled to be launched into a sun-synchronous polar orbit by the Japanese M-V rocket in February 2004. ASTRO-F has a cooled...

Feb 24, 2026 · NEAR REAL TIME IMAGES AND MOVIES Other near real time data

The Splitter Theorem states that, if $N$ is a 3-connected proper minor of a 3-connected matroid $M$ such that, if $N$ is a wheel or whirl then $M$ has no larger wheel or whirl, respectively, then ther...

4 days ago · The SOHO Archive Access SOHO Archive (data from all instruments). Instrument resources pages with information about the instruments and how to analyse their data. SolarSoft …

The fourfold spin-valley degenerate degrees of freedom in bulk graphene can support rich physics and novel applications associated with multicomponent quantum Hall effects and linear conductance filte...

Feb 25, 2026 · Above the surface is a region of hot plasma called the corona. The corona is about 2 million K (3.6 million degrees F), much hotter than the visible surface, and it is even hotter in ...

Advances in materials and fabrication of superconducting devices allows the exploration of novel quantum effects in synthetic superconducting systems beyond conventional Josephson junction arrays. As ...

Feb 13, 2026 · An interactive multimedia exploration of the Sun through the eyes of SOHO. The CD covers topics ranging from the history of solar exploration to new scientific results and the Sun's �...

In this study, we numerically investigate the internal structure of localized quantum turbulence in superfluid $^4$He at zero temperature with the expectation of self-similarity in the real space. In ...

2 days ago · Feedback & Comments: SOHO Webmaster Last modification: July 27, 2020 and SOHO is a project of international cooperation between

We present results of our survey observations of the [C II] 158 micron line emission from the Galactic plane using the Balloon-borne Infrared Carbon Explorer (BICE). Our survey covers a wide area (350...