Unit of time - Wikipedia The second is the international standard unit (SI unit) for science Celestial sphere -based: as in sidereal time, where the apparent movement of the stars and constellations across the sky is used to calculate the length of a year [7][8] These units do not have a consistent relationship with each other and require intercalation
Trump defends Hegseth amid reports of second strike on drug . . . President Trump defended his Secretary of War, Pete Hegseth, Sunday following media reports the Pentagon chief ordered a second strike on an alleged drug boat in the Caribbean after an initial assault left two survivors earlier this year