Astronomers provide insights into the hot gaseous halo of galaxy NGC 7793
Using Spektr-RG and Chandra space observatories, Chinese astronomers have investigated a nearby spiral galaxy known as NGC ...
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'Spectacular sight': SM Lee shares stunning photo of rare sun halo over Singapore
A bright ring of light appeared around the sun on Saturday (March 15) prompting Senior Minister Lee Hsien Loong, who spotted ...