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Exploring the Sounds and Sights Of Alien Worlds
- Humans have explored the bitter cold of high altitudes, the crushing pressures in Earth’s oceans and the soundscapes and vistas in Earth’s biosphere.
- The first humans on the moon experienced familiar yet alien sensations, and robotic explorers on Mars provide us with recordings of the planet.
- Mars has a thin atmosphere and sounds are audible but different from Earth due to its 96% CO2 content.
- The speed of sound on the surface of Mars varies depending on the CO2 in the atmosphere and the altitude.
- Venus has a thick atmosphere, making conditions on the surface lethal to humans.
- Europa is a moon of Jupiter that may have liquid water beneath its icy surface and is a potential destination for future exploration.
- The Europa Clipper spacecraft will determine a suitable landing site for the proposed Europa Lander, which could examine and image the surface.
- Mercury is a Sun-blasted rock and Pluto is a darkness-shrouded rock, while gas giants and their moons remain interesting targets.
- Exploring beyond our solar system offers the promise of discovering even more interesting extraterrestrial sights and sounds.
- Sending out faster-than-light spacecraft could reveal billions of star systems to examine and places to experience.
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