_discovering-one-of-the-largest-black-holes-in-the-universe.jpg "Discovering One Of The Largest Black Holes In The Universe from hd hole song Video Screenshot Preview")
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⏲ Duration: 1:44
👁 View: 80K times
✓ Published: 28-Apr-2024
👁 View: 80K times
✓ Published: 28-Apr-2024
Description:
How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 billion times the mass of the sun.
How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 billion times the mass of the sun.
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_work-underway-to-save-tenby-39s-historic-golf-course-from-further-erosion.webp "Work to save Tenby Golf Club’s course from further erosion is underway, although some have labelled the plans as a ‘scar’ on the seaside town’s South Beach.<br/>Known as the ‘birthplace of Welsh Golf’ Tenby’s links golf course established in 1888, has over many years, and even more so in recent times, suffered from the ongoing effects of coastal erosion and storm damage at points along its interface with South Beach.<br/>Despite the erection of some ‘soft defences’ at the foot of the dunes, the actions of ‘mother nature’ has now impacted the course to such an extent that parts of adjacent holes are being lost to the erosion.<br/>Two years ago, the Golf Club submitted plans to the Pembrokeshire Coast National Park Authority with proposals to construct a ‘coastal defence project’ to protect the course situated alongside from further erosion.<br/>The application proposed the erection of a ‘temporary coastal defence system’ incorporating gabion baskets and ‘mattresses’ made of steel frames and filled with stone, to be set out in front and laid on top of the existing dune system for an approximate length of 200 metres, to protect the dunes and golf course adjacent to them from storm damage and erosion, for a period of up to 10 years.<br/>The plans were submitted by STRI (acting as the Club’s agent) who are specialists in sports and golf course development, construction, and reconstruction.<br/>Work has finally got underway this month, towards the Penally end of the beach and dunes, however one resident of the village which the golf course encompasses, has been left less than impressed at the early stages of the plans progressing.<br/>“This is the current works being carried out by the Tenby Golf Club members for the sum of £120,000, but in my humble opinion it's a scar on a precious Tenby/Penally visitor asset,” said Penally villager Dave Laming.<br/>Members of Tenby Civic Society also expressed several concerns at the time the application was approved by PCNPA as to the impact on the character of the beach and the locality.<br/>“The South Beach is still a natural beach backed by dunes, but the proposal will make it look more like a man made environment,” said Harry Gardiner from the Civic Society.<br/>“Over the years, damaged by the sea, the caissons would be very unattractive - would they be removed then?” he added.<br/><br/><br/><br/><br/><br/>")
_hubble-view-of-runaway-black-hole-leaves-massive-streak-of-stars-in-its-wake.webp "The Hubble Space Telescope has imaged a \")
_hubble-discovery-black-hole-twists-star-into-donut-shape.webp "NASA's Hubble Space Telescope has discovered a tidal disruption event 300 million light years away. The donut shaped remains of a star were found around a hungry black hole. <br/><br/>Credit: NASA's Goddard Space Flight Center")
_nsw-treasurer-warns-of-a-tough-budget-due-to-3611-9b-gst-hole.webp "The state treasurer says the budget is facing a shock that'll be even worse than the Covid-19 pandemic. Daniel Mookhey is forecasting a revenue shortfall of nearly $12 billion dollars as a result of the latest GST carve-up, and he says it's almost certain the state will lose its prized triple a credit rating.")
_unique-black-hole-3800-light-years-away-discovered-by-gaia-mission.webp "ESA's Gaia mission has discovered the closestand 2nd closest black holes to Earth found yet. In this animation, travel to latter, black hole Gaia BH2, and see what makes it unique. <br/><br/>Credit: ESA/Gaia/DPAC, CC BY-SA 3.0 IGO")
_hubble-discovery-black-hole-twists-star-into-donut-shape.webp "NASA's Hubble Space Telescope has discovered a tidal disruption event 300 million light years away. The donut shaped remains of a star were found around a hungry black hole. <br/><br/>Credit: NASA's Goddard Space Flight Center")
_otd-in-space-april-27-nasa-launches-explorer-11.webp "On April 27, 1961, NASA launched Explorer 11, a satellite that contained the first gamma ray telescope to go to space. <br/><br/>This marked the birth of space-based gamma ray astronomy. Gamma rays are a form of electromagnetic radiation and have the highest energy of any kind of wave in the electromagnetic spectrum. These waves come from things like supernova explosions, supermassive black holes, and even solar flares. Before Explorer 11 launched to look for gamma rays in space, scientists were pretty sure that gamma rays were out there. However, they had to way of detecting these gamma rays, because they get absorbed in Earth's atmosphere. Explorer 11 detected 22 cosmic gamma rays during its seven-month mission. These rays were coming from all over the place and didn't seem to point to any particular sources out in space. This observation became the first evidence of a uniform gamma-ray background in the universe.")
_black-hole-delivery-system-studied-using-chandra-and-hubble.webp "NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli,\")
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_hubble-view-of-runaway-black-hole-leaves-massive-streak-of-stars-in-its-wake.jpg)
_hubble-discovery-black-hole-twists-star-into-donut-shape.jpg)
_nsw-treasurer-warns-of-a-tough-budget-due-to-3611-9b-gst-hole.jpg)
_unique-black-hole-3800-light-years-away-discovered-by-gaia-mission.jpg)
_hubble-discovery-black-hole-twists-star-into-donut-shape.jpg)
_otd-in-space-april-27-nasa-launches-explorer-11.jpg)
_black-hole-delivery-system-studied-using-chandra-and-hubble.jpg)
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