恒星结局的愿景
More than 11,000 years ago, a massive, supergiant star came to the end of its life. The star’s core collapsed to form a…
On March 18, 1978, space shuttle Enterprise arrived at NASA’s Marshall Space Flight Center for mated vertical ground vibratio…
An illustration of NASA’s Ingenuity Helicopter flying on Mars. Ingenuity, a technology demonstration experiment, will be the …
Sometime in the far distant future, about 4 billion years from now, our Milky Way galaxy will collide with the neighboring An…
During the March 5, 2021, spacewalk, Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi spent nearly 7 hours …