The 8 - 19 metre wide asteroid 2017 HJ made a close pass (0.4 LD, 0.0009 AU), travelling at 15.03 km/second, to the Earth-Moon system on the 16th April 2017 @ 05:43 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
NGC 3546 (also MCG -2-29-7, PGC 33846) is a magnitude +13.4 elliptical galaxy located 205 million light-years aay in the constellation Crater. The galaxy was discovered by the American astronomer Frank Muller using a 66.04 cm (26 inch) refractor at the Leander McCormick Observatory in 1886. The...
More than 100,000 salmon worth over £1m have been killed in a freak jellyfish attack. It has wiped out Northern Ireland's only salmon farm and owners are now facing ruin. The massive invasion happened at Glenarm Bay and Red Bay, Cushendun, off the Co Antrim coast. Billions of small jellyfish called M...
Mega-constellation satellites will need 'rapid disposal' The operators of proposed satellite mega-constellations can greatly mitigate the risk of future collisions by rapidly de-orbiting their spacecraft at the end of service. On the other hand, doing only the bare minimum required by inter...
LHCb finds new hints of possible deviations from the Standard Model The LHCb experiment finds intriguing anomalies in the way some particles decay. If confirmed, these would be a sign of new physics phenomena not predicted by the Standard Model of particle physics. The observed signal is still of l...
Located in the radiant little constellation of Lyra high overhead during mid-summer you will find one of the most enchanting of all deep-sky objects, the Ring Nebula. The Ring formed largely from an expanding shell of material cast off by a star as it ages. M57 is one of the brightest a...
Title: BV photometry of a possible open star cluster pair NGC 7031/NGC 7086 Authors: Valentin Kopchev, Georgy Petrov We present a CCD BV photometry of the possible binary open star cluster NGC 7031/NGC 7086. The aim is to confirm or disprove their common nature on the grounds of their age and distanc...
Messier 39 (also M39, NGC 7092, Collinder 438, Melotte 236 and OCL 211) is a magnitude +4.6 open star cluster located 824.4 light-years away in the constellation Cygnus. The first discovery was made by Aristotle 325 BC. With good observing conditions the 30 stars comprising the cluster can be seen...
Scientists are warning airlines and tourists of the danger of ash and volcanic rocks erupting from Mt Yasur on Vanuatu's Tanna island. Wellingtons Volcanic Ash Advisory Centre has reported an ash cloud covering 100 nautical square miles and more than 1.8 kilometres high within the volcano's vici...
Live, long and black giant shipworm found in Philippines Scientists have found live specimens of the rare giant shipworm for the first time, in the Philippines. Details of the creature, which can reach up to 1.55m in length and 6cm in diameter, were published in a US science journal. The giant shipwo...
At the core of ESA's LISA Pathfinder mission sit two small hearts. Each is a cube, just 5 centimetres across. Together they will allow LISA Pathfinder to lay the foundations for future space-based measurements that investigate the very core of Einstein's General Relativity.
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Britain's 'big bang' in Heligoland, 70 years on when in 1947 the British needed a safe place to dispose of thousands of tonnes of unexploded ammunition, Heligoland must have seemed an obvious choice. The code-name for the plan combined the British flair for understatement with the military taste f...
Dutch Crown Prince Willem Alexander yesterday officially opened the new laboratory building at ESA's space research and technology centre, ESTEC, in Noordwijk, the Netherlands. The Prince and other guests were impressed with the state-of-the-art facilities, including the Propulsion Lab an...
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