What would happen if a large impactor hit our oceans? And more about the protoplanetary disk around HD 163296

What would happen if a large impactor hit our oceans? And more about the protoplanetary disk around HD 163296
Lost rocks, wild rides: hunters just recovered asteroid 2001 WF49 after 15 yrs and tracked 2016 XG1 blazing past the Sun at 46 mi/s. Space rocks never sit still!
Today’s Travelers in the Night will bring you a story about asteroid Psyche and the possibility of large reservoirs of water in lava tubes on Mars
2017 (was) a good year to view comets with your unaided eye or a pair of binoculars and the discovery of another centaur, 2016 WM48.
Today’s Travelers in the night tell a story about Comet 12P/Pons-Brooks comes near the Sun & Kacper Wierzchoś comet discovery
Today’s Travelers in the NIght talk about asteroid 2024 BX1 exploded harmlessly in our atmosphere and P/1999 J6 (SOHO)
Today’s Travelers in the Night tell a story about Josh Hogan came across an object with a tail and Vivian Carvuhal debut in asteroid hunting.
Today’s Travelers in the Night discuss about Voyager I reach the most distant human made traveler & Aldo Leopold Wilderness