Conjunctions are simple to understand. If two planets are very close together, or even in the exact same place in the sky, their energies will merge and we will likely feel its effects as a result.

How do rogue planetary-mass objects, celestial bodies that fall between planets and stars in size, come into existence? An international team of astronomers, including researchers from the University ...

More information: M. Stalport et al, TESS and HARPS-N unveil two planets transiting TOI-1453. A super-Earth and one of the lowest mass sub-Neptunes, Astronomy & Astrophysics (2025). DOI: 10.1051 ...