Astronomy Picture of the day (24 August)

Explosions from White Dwarf Star RS OphIllustration Credit & Copyright: David A. Hardy & PPARC Explanation: Spectacular explosions keep occurring in the binary star system named RS Ophiuchi. Every 20 years or so, the red giant star dumps enough hydrogen gas onto its companion white dwarf star to set off a brilliant thermonuclear explosion on the white dwarf‘s surface. At about 5,000 light years distant, the resulting nova explosions cause the RS … Read more

Stunning view of spiral galaxy by ESA Hubble

This jewel-bright image from the NASA/ESA Hubble Space Telescope shows NGC 1385, a spiral galaxy 68 million light-years away from Earth, which lies in the constellation Fornax. The image was taken with Hubble’s Wide Field Camera 3 (WFC3), which is often referred to as Hubble’s workhorse camera, thanks to its reliability and versatility. It was … Read more

China’s carbon-monitoring satellite reports global carbon net of six gigatons

Topic: China’s carbon-monitoring satellite reports global carbon net of six gigatons Source: INSTITUTE OF ATMOSPHERIC PHYSICS, CHINESE ACADEMY OF SCIENCES According to data from the Chinese Global Carbon Dioxide Monitoring Scientific Experimental Satellite (TANSAT), about six gigatonnes – about 12 times the mass of all living humans – of carbon are emitted on land each … Read more

SuperBIT: Telescope Riding a Balloon Could Replace Hubble

Topic: SuperBIT: Telescope Riding a Balloon Could Replace Hubble Earth’s atmosphere often muffles the view from ground-based telescopes when observing space. Now, a research collaboration between NASA, the Canadian Space Agency and various universities has produced a new kind of telescope called the Superpressure Balloon-Borne Imaging Telescope (SuperBIT). SuperBIT has a 0.5 meter diameter mirror … Read more