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Star's death will play a mean pinball with rhythmic planets

Four planets locked in a perfect rhythm around a nearby star are destined to be pinballed around their solar system when their sun eventually dies, according to a study led by the University of Warwick that peers into its future. ....

Daresbury , Halton , United-kingdom , Chile , Exeter , Devon , Dimitri-veras , Peter-thorley , Sasha-hinkley , Warwick-medical-school , Daresbury-laboratory , United-kingdom-research

Astronomers spot a 'blinking giant' near the centre of the Galaxy

Astronomers have spotted a giant blinking star towards the centre of the Milky Way, more than 25,000 light years away. ....

Milky-way , Magallanesy-antáica-chilena , Chile , Hertfordshire , United-kingdom , Cambridge , Cambridgeshire , Poland , Warsaw , L67 , Edinburgh , City-of

Over 500 new FRBs detected in single year due to CHIME telescope

In the decade following their discovery in 2007, only 140 FRBs had been seen. Now, thanks to the launch of a large stationary telescope in the interior of British Columbia in 2018, the number of new FRBs detected has almost quadrupled for a total of 535. A McGill-led inter-university collaboration, has now put together the first CHIME/FRB catalogue. ....

Montreal , Quebec , Canada , United-states , United-kingdom , Toronto , Ontario , France , Canadian , French , American , British

Ocean microplastics: First global view shows seasonal changes and sources

An estimated 8 million tons of plastic trash enters the ocean each year, and most of it is battered by sun and waves into microplastics tiny flecks that can ride currents hundreds or thousands of miles from their point of entry ....

Netherlands , Michigan , United-states , Dutch , Chris-ruf , Madeline-evans , Ocean-microplastics , United-nations , University-of-michigan , Cyclone-global-navigation-satellite-system , Frederick-bartman-collegiate-professor , Space-science

Queqiao: The bridge between Earth and the far side of the moon


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IMAGE: The far side of the Moon always faces away from the Earth, making communications from lunar equipment there much more challenging. Fortunately, relay communication satellites can act as a bridge.
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Credit:
Space: Science & Technology
Because of a phenomenon called gravitational locking, the Moon always faces the Earth from the same side. This proved useful in the early lunar landing missions in the 20th century, as there was always a direct line of sight for uninterrupted radiocommunications between Earth ground stations and equipment on the Moon. However, gravitational locking makes exploring the hidden face of the moon the far side much more challenging, because signals cannot be sent directly across the Moon towards Earth. ....

China , Queqiao , Jiangxi , Chinese , Lihua-zhang , Science-technology , Satellite-co-ltd , Satellite-company-ltd , Earth-moon-libration , South-pole , Chinese-lunar-relay-communication-satellite , Project-manager