By: Jose Juan Gutierrez
Io is a large, rocky, active Moon orbiting the planet Jupiter. It's the innermost of Jupiter's large Moons (the Galilean Moons) at a distance of 220,000 miles (422,000 km). Io is very close in size to the Earth's Moon with a diameter of...
What is an astronomical unit (AU)
By: Steven Mars
The astronomical unit is the mean distance from the Earth to the Sun. The mean is the average. It is about 92,955,807.3 miles. The International Astronomical Union recommends the abbreviation au. It is used most commonly for distances between planets. Venus and...
By: Gemma L. Reece
The Kuiper Belt is an elliptical shaped region of space beyond the orbit of Neptune extending roughly from 30 to 50 astronomical units from the Sun, containing a large number of relatively small icy bodies. The makeup of these Kuiper Belt Objects is similar to...
By: Andrew Moran
The Kuiper Belt, also known as the Edgeworth-Kuiper Belt, is a region that extends beyond the orbit of the planet Neptune to approximately 50 astronomical units (AU) from the sun. It is composed of small bodies and components from the formation of the solar system...
What is an astronomical unit (AU)
By: Jack Merrywell
An Astronomical Unit, commonly abbreviated “AU,” is a standardized unit of measurement for distances on the order of magnitude of the size of our solar system. 1 AU is equal to the mean distance between the sun and the Earth’s orbit, or...
Overview: The Solar Heliospheric Observatory (SOSO)
By: Andrea Theisson
The Solar and Heliospheric Observatory (SOHO) is an exciting international collaboration between ESA ( European Space Agency) and NASA (National Aeronautics and Space Administration). The SOHO website is very colorful, with easily accessible data, spectacular results, and has many basic science explanatory functions. This project...
By: Andrea Theisson
SORCE is the abbreviation for a NASA-sponsored satellite mission, the Solar Radiation and Climate Experiment, launched in 2003, which provides measurements of incoming radiation of all sorts – x-ray, ultraviolet, near-infrared, and total solar. This mission is actually the merging of the EOS Solar Stellar...
By: Elizabeth M Young
The recent advancements in NASA solar observation satellites have greatly improved mankind's ability to find out more about what happens when Coronal Mass Ejections (CME) occur on the sun. In 2009, twin satellites were able, for the first time, to show the speed, mass, structure...
By: Andrea Theisson
The Solar Stellar Irradiance Comparison Experiment (SOLSTICE) is one of four measurement processes launched with the Solar Radiation and Climate Experiment (SORCE) mission for NASA, engineered and provided by the University of Colorado on January 25, 2003. This specialized equipment follows up a previous SOLSTICE...
By: Leigh Goessl
For some time now society has been musing the possibility of life on Mars. The idea of life on other planets is exciting, and while suspicions and evidence has arisen, there has really been no concrete evidence that life exists on Mars. Mars has been...

 

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