Italian space logistics company D-Orbit announced a 119.6 million euro ($131 million) contract with the European Space Agency for a spacecraft servicing vehicle. Under the ...

A geostationary orbit, or Geostationary Earth Orbit (GEO), is a circular orbit 35,786 kilometres above the Earth's equator and following the direction of the Earth's rotation.

The US Space Force (USSF) intends to contract manoeuvrable satellites in geostationary Earth orbit (GEO) from commercial companies, Colonel Rich Kniseley, senior materiel leader of the service's ...

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In January of 2023, the Caltech-built Space Solar Power Demonstrator launched into Earth orbit. On board was an instrument called MAPLE, the Microwave Array for Power-transfer Low-orbit Experiment.

This is the world’s first case of the 5G NTN standard being applied to a geostationary Earth Orbit (GEO) satellite. The test was conducted at KT SAT’s Kumsan Satellite Center in collaboration with KT, ...

While many commercial companies have focused development efforts on satellites in low Earth orbit, Kniseley said he’s met with several firms who are building solutions for GEO. The Space Force ...

Molecular evolution is the area of evolutionary biology that studies evolutionary change at the level of the DNA sequence. It includes the study of rates of sequence change, relative importance of ...

Geo-IK-2 No.11L, known after launch as Kosmos 2470, was carried to orbit aboard a Rokot vehicle with a Briz-KM upper stage – the same type rocket that performed Friday’s mission. During the ...

In December 1993 astronauts from the space shuttle Endeavour performed five days of spacewalks to repair the telescope in orbit some 353 ... in all stages of evolution, and so lets scientists ...

But observations show that stars orbit at more or less the same speed regardless of where they are in the galactic disk. This puzzling result makes sense if one assumes that the boundary stars are ...