15 September 2017
A sad farewell as Cassini takes its final plunge...
... 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...
29 April 2019
Preparing for an asteroid impact - test underway now!
... 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...
07 August 2019
Crater evidence points to a past mega-tsunami on Mars
... 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...
14 August 2019
Protesters block asteroid detection safety work
... 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...
20 November 2019
Insects on Mars, fungi on Venus. Evidence is presented for life on our neighbouring planets
..., 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...
22 April 2020
SpaceX seeks permission to lower the orbit of all its first-gen Starlink satellites
... 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...
