
Space
Explainer: Calculating a star’s age
Scientists can figure out a star's mass or composition pretty easily. Determining how old that star is, however, is a lot harder.
Scientists can figure out a star's mass or composition pretty easily. Determining how old that star is, however, is a lot harder.
This is what scientists had suspected. But until one showed up outside our galaxy, they couldn’t be sure. Now they are.
Searching through data from NASA’s K2 Mission, researchers found a new planet. Some call it K2-315b, others smile and refer to it as “Pi Earth.”
Telescope observations of thousands of these stars now confirm a decades-old theory on how their masses relate to their waistline.
Solar Orbiter’s first images are in. The spacecraft’s pics show tiny, never-before-seen flares across the sun’s surface.
The nearest star cluster is being pulled apart, due largely to the tidal forces of our galaxy, the Milky Way. Bye bye, Hyades!
Most pinpoints that light the night sky are raging infernos we call stars. As adults, many will create new elements that they later cast off into the cosmos.
Long, long ago, in a galaxy far, far away, a black hole blasted out 100 billion times as much energy as our sun ever will. One word for that: Wow!
These images show the sun as it has never been seen before. They come from the new Daniel K. Inouye Solar Telescope.
The Earth and sun sit relatively close to a newfound thread of star-forming gas. That gas is being called the Radcliffe Wave.