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What is a coronal mass ejection? | | Want to brush up on your knowledge about these solar hiccups - CMEs, for short - that can ripple through our solar system and can interrupt satellites and power grids on Earth? | | |
ESA considers 3 new mission concepts | | The European Space Agency considers a possible high-energy survey of the early universe, an infrared observatory to study the formation of stars, planets and galaxies, and a Venus orbiter. | | |