May 9, 2021

Cracking the Mysteries of Venus: New Information on Planet’s Spin and Internal Structure

Posted by in category: space

15 years of radar measurements provide new information on planet’s spin, internal structure.

Venus is an enigma. It’s the planet next door and yet reveals little about itself. An opaque blanket of clouds smothers a harsh landscape pelted by acid rain and baked at temperatures that can liquify lead.

Now, new observations from the safety of Earth are lifting the veil on some of Venus’ most basic properties. By repeatedly bouncing radar off the planet’s surface over the last 15 years, a UCLA-led team has pinned down the precise length of a day on Venus, the tilt of its axis and the size of its core. The findings are published in the journal Nature Astronomy.

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