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Hubble Constant: The rate at which the universe is expanding, a key parameter in cosmology.

Happen Today

Neither rain, nor snow, nor dark of night can keep the space-based SOlar Heliospheric Observatory (SOHO) from watching the Sun. In fact, from its vantage point 1.5 million kilometers sunward of planet Earth, SOHO's cameras can always monitor the Sun's outer atmosphere, or corona. But only during a total solar eclipse can earth-based observers see the lovely coronal streamers and structures - when the Moon briefly blocks the overwhelmingly bright solar surface. In this composite view, SOHO's uninterrupted view of the solar corona above the solar photosphere (center) and corona far beyond the Sun's disk, are shown in orange hues. The middle, donut-shaped region is the corona as recorded by the Williams College Eclipse Expedition to Kastelorizo Island, Greece, headed by Jay Pasachoff, during the March 29th total solar eclipse. Merging ground and space-based views allows astronomers to trace features in the corona that reach from just above the Sun's surface into the solar wind.

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Summary

Nasa APIs

NASA APIs offer developers access to a wide range of space-related data, including astronomy, satellite imagery, and Mars exploration. These interfaces enable the creation of applications and visualizations, fostering innovation in space science and technology. Registration and the use of API keys are typically required for authentication and access to NASA's valuable data resources.

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Receive via mail the pic of the day from the Nasa center