资讯

Melting polar ice is slowing the Earth’s rotation, but not enough to offset an even greater acceleration caused by changes in ...
What if Venus became Earth's moon? Explore how our planet would change if Earth’s twin, a planet almost the same size and ...
Over a thousand miles from the surface, in Earth’s D” layer—right on the edge of the liquid metal outer core—there is a weird ...
Thick clay deposits on Mars hint at long-lived lakes that may have sheltered early life - and preserved clues beneath layers ...
The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...
Scientists believe that gold and other precious metals are slowly leaking to the surface from Earth's core through Hawaiian ...
Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...
For the service's 20th anniversary, Google was inspired by a social media trend from last year in which people shared ...
Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm ...
Unnamed government and industry sources confirmed that the Space Force may be looking at MILNET to replace the Transport ...
Starlink already accounts for 40% of all the satellites ever launched, and each one releases harmful aluminum oxides when ...
Tropospheric scintillation on Earth-space paths greatly increases at low elevation angles and/or higher carrier frequencies, may impair low margin systems, and can interfere with the power control ...