资讯

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...
John R. Casani, a longtime Jet Propulsion Laboratory engineer, project manager and researcher, died at the age of 92 last ...
Start exploring the night sky with our top picks for beginner-friendly telescopes. Tested for clarity, ease of use and build ...
Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 3 strands 7 cm ( about 3 inch) for middle braid 6 cm ( about 2.4 inch) ...
Early Spiral Galaxy Captured for the First Time Using Gravitational Lenses . For the first time ever, scientists have ...
Chances of the space rock 2024 YR4 hitting Earth in December 2032 have been downgraded but debris could knock out ...
A New Mexico State University research team has been working on a lunar laser project to help place humans on the moon again ...
A stronomers are ready to share with the world the very first groundbreaking images from the Vera C. Rubin Observatory. The ...
June 22 marks the 350th anniversary of the Royal Observatory Greenwich, the home of the historic Prime Meridian and ...
With just over 2 days left in the Unistellar Father's Day sale, grab hundreds of dollars off a range of smart telescopes.
Serpens the Serpent is unique among the constellations because it’s separated into two parts with Ophiuchus the Serpent-bearer between them. Serpens Caput (the head of the serpent) lies to the west of ...
Why does nobody have their lights on?” Sue Halvorsen remembers her family members asking when they visited her in Cornville ...