What are the ongoing debates and unanswered questions in the study of what orbits a planet?

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Oct 21, 2021 ... ... planet orbits a star, and a moon orbits a planet. There are also moons orbiting dwarf planets (like Pluto) and even asteroids! The Moon is ... May 26, 2016 ... New observations have revealed that the story is somewhat more complicated, at least for the oddest planets known, the Hot Jupiters. May 21, 2024 ... The planets orbit the Sun in a counterclockwise direction as viewed from above the Sun's north pole, and the planets' orbits all are aligned to ... Apr 30, 2021 ... (Since normal exoplanet techniques, like transiting, require multiple detections over many orbital periods, exoplanets with large orbits take ... Aug 21, 2013 ... ... which orbits its star in just 8.5 hours. (Image credit: Cristina Sanchis Ojeda). Astronomers have discovered a hot Earth-size planet so close ... ... planet's orbital period depends only on its orbital radius. ... Rank the graphs from left to right based on the mass of the extrasolar planet that orbits the star ... Sep 16, 2011 ... 'Stunning'. Kepler-16b's two suns are smaller than ours - at 69% and 20% of the mass of our Sun - making the surface temperature an estimated - ... In celestial mechanics, an orbit (also known as orbital revolution) is the curved trajectory of an object [1] such as the trajectory of a planet around a star. The orbital period of a planet can be calculated using Kepler's Third Law, which states that the square of the orbital period (T) of a planet is directly ... Nov 30, 2017 ... Because of this property, satellites in GEO are constantly in the field of view for approximately one-third the planet's surface. While about 55 ...
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