Lens Uranus

It is perhaps the most mysterious planet in our solar system. What if we explored Uranus?

NASA and China are considering a mission to one of the most distant planets in our solar system, the seventh, one of the last. Long ignored, we only visited it once, during the fast flyby of the Voyager 2 spacecraft in 1986. Little is known about this ice giant with surprising properties. What are the big scientific questions we face when we embark on such a journey?

Near Uranus

We are happy to receive Leah Griton, Lecturer at Sorbonne University and researcher at LESIA Laboratory for Space Studies and Instrumentation in Astrophysics, Thierry FouchetProfessor at the Sorbonne University and researcher at the Paris Observatory.

Today’s report

The orbits and axes of rotation of the planets of the solar system are not random. They keep the conditions of their creation and development as a “memory”. Trying to understand why Uranus has an inclination of 98°, unlike the other giant planets, improves our knowledge of how the solar system formed. Meet with Melaine Saillenfest and Gwenael Boue of the Institute for Celestial Mechanics and Ephemeris Calculation (IMCCE) of the Paris Observatory on the subject her article for publication in Astronomy & Astrophysics. Through Noémie Naguet de Saint Vulfran :

LA_SCIENCE_CQFD – Report

7 minutes

Documentary Resources

Find the string of the day’s program on La Science’s Twitter feed, CQFD.

China wants to study Uranus and Jupiter with a single rocket (Science Post, 2022)

Astronomers finally know why Uranus is dimmer than its sister Neptune (GEO, May 2022)

“Going to Uranus means taking the risk of making very big discoveries” (The World, 2022)

The moons of Uranus, suspected of harboring subterranean oceans, are intrigued again (Science and Future, 2021)

Uranus: Are jokes about the planet’s name a hindrance to its exploration? (Numerama, 2020)

Uranus tilt explained by collision? (Science and Future, 2020)

34 years later, Voyager2 reveals an unexpected secret about Uranus’ atmosphere (Numerama, 2020)

If Uranus is also tilted, it may be because it was once surrounded by a disk. (Numerama, 2020)

Uranus, the lying planet, would have been overturned by a cosmic driver (Le Figaro, 2018)

Two moons of Uranus will collide (Futurascience, 2017)




58 minutes




58 minutes

Musical references

Headline of the day: Night flight from Uranus by Datarock

The opening credits: Goca Dunya by Altin Gun

Credits: pingpxng from Yin Yin References

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