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Filtering by Tag: ABC Breakfast News
This is the heart of darkness.
The gravity of the blackhole is so great it casts a ‘shadow’ 2.5 times larger than itself (as defined by its event horizon) against the glowing material swirling into its maw.
That darkness is the size of the solar system but even so 6.5 billion Sun’s worth of mass crushes up pretty small when you’re a black hole.
Read MoreTurn your smartphone into a cosmic ray hunter with the free CREDO app! Currently available on Android (any Apple developers out there get in contact) and already with 2.5 million detections the growing userbase is helping us search for the most extreme events in the Universe. Not that this helped me with Virginia on News Breakfast who asked me some seriously tough (but as usual, brilliant) questions on the health risks of Cosmic Rays.
Read MoreMelting icesheets of Antarctica Western Shelf are allowing that ancient continent to rebound at the fastest rate in the world (41mm a year!) as measured by GPS stations. It was explained by ESA's glorious GOCE satellite, published in Science, the reason why - the mantle under Antartica is less viscous (or squishier) than normal, which could be a good thing for our planet. I took it upon myself to explain why this makes a difference on ABC Breakfast News TV with a bowl of honey and peanut butter... Rather proud of this explanation.
Read MoreI was interviewed as part of the Born Digital Week by National and State Libraries Australasia to raise awareness of how much data we create, what it's value is and how best to preserve it. Far from being preserved forever online, the digital world is potentially entering a Digital Dark Age as a book two thousand years old is still readable while I haven't got a clue what to do with a floppy disk from just two decades ago.
Read MoreFun chat on the ABC Breakfast TV couch describing the latest in 3D printing tech - on board the International Space Station! It allows astronauts to print off any spares as needed, including a new tool designed by a high school student! I also chatted about Saturn's flawless rings seen by NASA's Cassini spacecraft to have a blemish by a nearby moon's gravity and CSIRO's upgrading of the largest telescope on Earth, China's FAST.
Read MoreAn amazing discovery by the ALMA telescope of giant clouds of cold gas falling towards a supermassive black hole, seen as shadows against the bright glow from this feeding black hole. In addition I discussed the worsening global light pollution phenomenon and a surprise chain galaxy found by citizen scientists from Russia using the Australian Radio Galaxy Zoo!
Read MoreRead my thoughts on an incredible week for commercial exploration of space at theconversation or watch on ABC Breakfast News. It started with Bigelow Aerospace successfully inflating their BEAM attachment to the ISS. If the two year long test of this inflatable space module works then they plan to launch larger inflatables to form a commercial space laboratory as well as potentially even a space hotel! This week also saw the landing at sea of a rocket for the third time in a row by SpaceX. Now they need to demonstrate an economic refurbishment and relaunch of any of these three rockets to usher in a new era of space travel.
Read MoreI was able to spend some time on the astoundingly ambitious Breakthrough Starshot mission to Alpha Centauri (which I've written about in Cosmos Magazine and theconversation). A private enterprise initiative that will see some incredible technologies pursued to try and reach a star within a human lifetime. Then onto a critical tech development as NASA technology to get CO2 from the Martian atmosphere finds its way into craft beer... Finally a little shout out for the ESO observation of the Fornax cluster.
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