Zero gravity, often depicted in science fiction and space documentaries, is a fascinating concept that sparks curiosity and ...

Drag (air resistance) opposes acceleration due to gravity. In a vacuum, such as on the Moon, both objects will hit the ground at the same time. How does gravity work?

If gravity reversed on the sun, McCluskey said he’d be scared because it is the only thing keeping the sun together. Nuclear fusion, inside the sun, pushes outward. Without gravity, the sun would ...

It is mysterious to many scientists why gravity is boosted by about 40% when the internal acceleration between the orbiting pair of stars is weaker than about 0.1 nanometer per second squared.

To “hear” the gravitational force on their 0.43-milligram particle, ... is how they are able to get the temperature so low and maintain such exquisitely low acceleration noises,” Adhikari says.

Leonardo da Vinci's schematics and notes for his experiment on the equivalence of the effects of gravity and acceleration. Credit: Gharib et al., 2023/British Library ...

“Low-Acceleration Gravitational Anomaly from Bayesian 3D Modeling of Wide Binary Orbits: Methodology and Results with Gaia Data Release 3” published in the Astrophysical Journal on 27 May 2025 ...