NASA's TESS helps astronomers study red-giant stars, examine a too-close planet
Thursday, 21 November 2019 Ames IA (SPX) Nov 20, 2019
NASA's planet-hunting TESS Mission keeps giving astronomers new realities to examine and explain. Case in point: astronomers using the tools of asteroseismology - the observations and measurements of a star's oscillations, or starquakes, that appear as changes in brightness - have learned more about two stars bright enough to be visible in a dark sky to the naked eye. These red-giant stars
MARS — NASA plans to send its Mars 2020 rover to search for signs of ancient life on Mars' Jezero Crater.
In a news release, the space agency pointed to a recent study published in the journal Icarus which identified mineral deposits called carbonates along the crater's inner rim.