Oznaka: space


How do we know how far away the stars are?

Dopolni manjkajoča mesta v besedilu z ustreznimi samostalniki iz tabele. length parsec orbit degree feat distance triangle background The closest star, Proxima Centauri, is 4.24 light-years away. A light-year is 9.44 trillion km, or 5.88 trillion miles. That is an incredibly large _______________ (1). Walking to Proxima Centauri… Preberi več

Second gravitational wave detected from ancient black hole collision

Postavi glagol v oklepaju v ustrezno obliko (active and passive). Physicists have detected ripples in the fabric of spacetime that were set in motion by the collision of two black holes far across the universe more than a billion years ago. The event marks only the second time… Preberi več