Kosmos 482: The Soviet-era Venus probe that fell to Earth

Kosmos 482: The Soviet-era Venus probe that fell to Earth

This week on Planetary Radio, we explore the decades-long journey of Kosmos 482, a Soviet-era Venus probe that spent 53 years orbiting Earth before its dramatic return on May 10, 2025. Ben Fernando, a postdoctoral researcher in seismology and planetary science at Johns Hopkins University, joins us to explain the history of Kosmos 482 and how seismology and acoustic sensors are helping scientists detect and locate objects impacting Earth. Then Bruce Betts, our chief scientist, joins us for What's Up, where we look back at the largest human-made objects ever to crash back to Earth.


Discover more at: https://www.planetary.org/planetary-radio/2025-kosmos-482

See omnystudio.com/listener for privacy information.

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Space Books and Gifts for Space Kids of all Ages

Space Books and Gifts for Space Kids of all Ages

Our own Emily Lakdawalla, Planetary Society senior editor and book lover, shares her 2019 list of space books for everyone, from infant to adult. She also presents a list of cool space gifts recommend...

20 Marras 201949min

A Passionate Conversation with Carolyn Porco

A Passionate Conversation with Carolyn Porco

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13 Marras 20191h 27min

Our Mysterious Sister: Venus

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Astrophysicist Javier Peralta takes us deep into the thick, fast-moving clouds of the world that is still called Earth's sister by some. Venus is slow to reveal its secrets. Jason Davis helps us celeb...

6 Marras 201949min

Space Policy Edition: How a Report Can Move Mountains

Space Policy Edition: How a Report Can Move Mountains

How can a simple report—just words on a page—lead to creation of a spacecraft? We explore how a 2019 report on the need for a dedicated, space-based telescope to find threatening near-Earth asteroids ...

1 Marras 20191h 30min

Finding Wonder and Meaning in a Book by Carl Sagan’s Daughter

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Bill Nye says of Sasha Sagan’s new book, “Sagan finds the meaning of life everywhere—with her family, around the world, and especially among the stars of the cosmos. Read her work; you’ll have a deepe...

30 Loka 201950min

How Long Was Mars Wet?

How Long Was Mars Wet?

Planetary scientist Briony Horgan and her team want to know how long liquid water flowed on the surface of the Red Planet before that world froze. Long enough for life to appear and thrive? New work c...

23 Loka 201928min

NASA’s Home for the Bleeding Edge: The 2019 NIAC Symposium

NASA’s Home for the Bleeding Edge: The 2019 NIAC Symposium

The NASA Innovative Advanced Concepts program gathers its “fellows” each year to share what they’ve learned about some of the most fascinating science and engineering imaginable. Mat Kaplan visits wit...

16 Loka 20191h 17min

Space Policy Edition: Happy Fiscal New Year!

Space Policy Edition: Happy Fiscal New Year!

October 1st kicked off federal fiscal year 2020—a day that should also have kicked off a new budget for NASA. But Congress has not funded the space agency yet, instead passing a temporary stopgap meas...

11 Loka 201956min

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