Readers ask about Mars dust storms, Fermi bubbles and more

Mars dust up

Predicting dust storms on Mars will help keep rovers and future astronauts safe on the planet’s surface, Lisa Grossman reported in “How upcoming missions to Mars will help predict its wild dust storms” (SN: 7/4/20 & 7/18/20, p. 24).

The story reported that scientists struggle to understand how dust gets lifted into the air.