Uncategorized
- Astronomy
The craziest NASA mission ever proposed
In this issue, Meghan Rosen provides an in-depth report on that mission, but without the erroneous conclusion that the Asteroid Redirect Mission has much to do with asteroid defense.
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- Planetary Science
NASA bets on asteroid mission as best path to Mars
NASA wants to bag an asteroid using robotic arms or an enormous sack and place the rock in the moon’s orbit for study. This may keep astronauts working but not, as NASA claims, get them Mars-ready.
- Oceans
Mercury at ocean surface may have tripled since preindustrial times
Questions remain over dangers of toxic metal in environment.
