S26E55: Water on Mars // the Milky Way's Shape // NASA's Europa Clipper: Latest Space and Astronomy News

In this episode, we discuss some of the latest developments in space and astronomy news.
China's Zhurong rover has reportedly found evidence of liquid water on dune surfaces at low latitudes on Mars, challenging our understanding of the Red Planet's climate history.
Meanwhile, a new study by Chinese scientists suggests that astronomers may have gotten the shape of the Milky Way all wrong.
NASA is also working on its largest interplanetary spacecraft, the Europa Clipper, which is set to launch next year to study Jupiter's ice moon Europa.
In other news, we delve into the effectiveness of vaccines against the latest COVID-19 strains, the dangers of ultrafine particles emitted by jet engines, and the surprising discovery of human DNA in some hot dog frankfurters. Finally, we explore the topic of grief vampires and how to identify them as skeptics.
Enjoy!
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