SILSO preserves and distributes the international sunspot number, with current and historical solar observation data.
Solar Dynamics Observatory
vsInternational Earth Rotation and Reference Systems Service
Solar Dynamics Observatory vs International Earth Rotation and Reference Systems Service
How do Solar Dynamics Observatory and International Earth Rotation and Reference Systems Service compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Solar Dynamics Observatory | International Earth Rotation and Reference Systems Service |
|---|---|---|
| What it is | NASA’s Solar Dynamics Observatory provides solar imagery and data from instruments studying the Sun’s atmosphere. | IERS provides data on Earth rotation, reference systems, and geophysical fluids, with models, standards, and current bulletins. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
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