Venus transits, those infrequent occasions when Venus passes directly between Earth and the Sun, happen in eight-year pairs ...

Astrophotographer Thierry Legault captured the International Space Station transit the Sun. The NASA astronauts were ...

The meridian transit telescope, working with a chronograph and accurate astronomical clocks, is capable of making extremely precise measurements of star positions. The right ascension of a star can be ...

More information: Kento Masuda et al, A Fourth Planet in the Kepler-51 System Revealed by Transit Timing Variations, The Astronomical Journal (2024). DOI: 10.3847/1538-3881/ad83d3 ...