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Articles sur Mars

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A researcher in a spacesuit on “Mars” outside the Mars Society Desert Research Station in Utah. David Howells/Corbis Historical via Getty Images

Coronavirus quarantine could provide lessons for future space travel on how regular people weather isolation

Understanding isolation’s effects on regular people, rather than those certified to have ‘the right stuff,’ will help prepare us for the future, whether another pandemic or interplanetary space travel.
In 2015, NASA’s New Horizons spacecraft looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains extending to Pluto’s horizon. NASA/JHUAPL/SwRI

Planetary confusion – why astronomers keep changing what it means to be a planet

Many people are still upset that Pluto was demoted from being a planet. But definitions of various celestial objects are fairly fluid. So whether it is an asteroid or moon or planet is up for debate.
Much of Mars’s surface is covered by fine-grained materials that hide the bedrock. The above bedrock is mostly exposed and it is in these areas that micrometeorites likely to accumulate. NASA/JPL-Caltech/Univ. of Arizona

Tiny specks in space could be the key to finding martian life

It’s established Mars was once a planet with surface-level water. So with multiple MARS missions starting next year, the key to seeking out martian life may instead lie in the contents of its ‘dust’.
On June 5-6, 2012, NASA’s Solar Dynamics Observatory collected images of one of the rarest predictable solar events: the transit of Venus across the face of the Sun. NASA/SDO, AIA

Why we need to get back to Venus

This hot, acidic neighbor with its surface veiled in thick clouds hasn’t benefited from the attention showered on Mars and the Moon. But Venus may offer insights into the fate of the Earth.

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