Exploring the Search for ‘Planet 9’ with the Rubin Observatory

Some astronomers believe there is a planet beyond Neptune that remains unseen. Known as “Planet 9,” this celestial body is so distant that it would appear faint in the sky. The area of sky that scientists need to explore is vast, posing a significant challenge in locating this elusive object.

An advanced astronomical facility on a Chilean mountaintop promises to aid in the search. The NSF-DOE Vera C. Rubin Observatory, which has been in development for several years, is nearing completion. Scientists are currently adjusting its instruments, preparing it for a decade-long mission to capture images of almost the entire southern sky.

Once operational, the observatory’s telescope will contribute significantly to the search for “Planet 9.” Its capabilities will allow researchers to systematically examine areas beyond Neptune and other regions of interest. The observatory’s role is pivotal in addressing questions about the mysteries of our solar system.

This development was covered by science correspondent Nell Greenfieldboyce. Her insights highlight the ongoing efforts in astronomy to uncover unknown elements of space.

For those interested in exploring space mysteries further, you can email your thoughts to NPR’s Short Wave at [email protected]. Additional space stories are available on Spotify and Apple Podcasts, while joining Short Wave+ at plus.npr.org/shortwave offers a sponsor-free experience.

This episode was produced by Rachel Carlson and edited by Rebecca Ramirez. Fact-checking was conducted by Tyler Jones, and audio engineering was handled by Kwesi Lee.