An international team, including astronomers from Keele University, has performed a unique cosmic test to measure the mass of ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

This article presents an active fault-tolerant formation control method based on learning neural network approaches for elliptical orbit spacecraft with thruster faults. To approximate thruster ...

Because Earth moves in an elliptical orbit around the sun, being further away means it travels slower along its orbit. This increases the time it takes to get from the solstice, the beginning of ...

Here’s what to expect from Project Kuiper’s first full-scale satellite launch United Launch Alliance will send 27 Kuiper satellites into low Earth orbit as we begin a full-scale deployment of our ...

The orbital mechanics of why the Axiom Mission 4 to the International Space Station, including India’s Shubhanshu Shukla as the mission pilot, needs 28 hours to reach and dock with the ...

In this article, the two-dimensional trajectory of a solar sail with a fixed pitch angle from a heliocentric elliptical orbit is analytically approximated using the linear perturbation theory. The ...

ISRO readies SpaDeX-2 mission to dock satellites in elliptical orbit The ability to join two satellites in space, known as docking, is critical for India’s upcoming Chandrayaan-4 mission and the ...

The Indian Space Research Organisation (ISRO) is planning a second SpaDeX mission to dock two satellites in an elliptical orbit.

This causes the timetable of celestial events to creep forward until leap year sets them back every four years. The sun ...

What if Earth's orbit ventured as far from the Sun as Pluto and as close to it as Venus?