... be its demise. Very shortly Cassini is due to dramatically plunge into Saturn’s atmosphere to burn up and disintegrate like a meteor, all the while ensuring every last scrap of information can be passed on, as the spacecraft's antenna will keep...
... the asteroid’s mean size could be anywhere from 100-300 meters. For comparison, the 2013 Chelyabinsk meteor event – the only known such incident in modern times – injured around 1200 people (no fatalities) and it was...
... features. Those signs have been spotted in Lomonosov crater; a huge depression, likely moulded by a 14.5-by-19 kilometre meteor, surrounded by a substantial region of relatively smooth terrain known as Vastitas Boreali – the largest lowland region...
... 20 to 50 m in diameter. Tholen thinks it’s 30 m, “give or take”. By comparison, scientists think the asteroid that created Meteor Crater in the US state of Arizona was 40 to 50 km in diameter. Shortly after confirmation of 2006 QV89, the Center for...
..., or from microbe-packed rocks that have been ejected into space from Earth’s surface following a comet or meteor impact. As Earth rocks have recently been found on the Moon, processes of this nature must have occurred...
... activity for some. One upon a time it was the thought of seeing a fireball zipping through the atmosphere as a meteor shower passed overhead, that drew people out into the night to stare up into space. Now, armed...