What are the potential observational signatures that could indicate a significant change in a planet's axial tilt?

Jul 19, 2018 ... 4 Answers 4 ... Changing the rotation axis of the Earth by a substantial amount would require a colossal amount of energy. A rough calculation ... Oct 20, 2021 ... Evidence found in Italy shows the Earth tilted around 12 degrees 84 million years ago. This was the time when dinosaurs were alive. But the ... Apr 8, 2016 ... ... axis running through its north and south poles, a real planet wobbles. Earth's spin axis drifts slowly around the poles; the farthest away ... Jul 19, 2024 ... The location of Earth's spin axis moved about 30 feet (10 meters) between 1900 and 2023, as shown in this animation. A recent study found ... Jun 22, 2023 ... Removing water from the ground has led to sea-level rise and caused Earth's axis to shift by about 2.6 feet between 1993 and 2010, per a new study. Astronomers propose that this is due to energetic collisions between the 'planetessimals' which eventually coalesced to form the planets, knocking them off the ... Jun 7, 2017 ... The moon in question must be outside the Roche limit, it is still affected by the primary it orbits, the surface nearest that primary will bulge slightly ... Bradley Discovers the Nutation of Earth's Axis. Date 1748. After discovering the aberration of starlight in the late 1720's, James Bradley proceeded to catalog ... Dec 20, 2024 ... ... Earth's four seasons are spring, summer, fall, and ... This is because the middle of Earth does not tilt much as Earth rotates on its axis. Mar 13, 2020 ... New University of Melbourne research has revealed that ice ages over the last million years ended when the tilt angle of the Earth's axis was approaching ...