Astronomy

Hubble Revisits 40-Year-Old Mystery of Strange Star’s Nova

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SciTechDaily

This artist’s concept shows the nova system HM Sagittae (HM Sge), where a white dwarf star is pulling material from its red giant companion. This forms a hot, blazing disk around the dwarf, which can unpredictably undergo a spontaneous thermonuclear explosion as the hydrogen inflow from the red giant thickens and reaches a tipping point. … Read more

The Webb Telescope captures the massive asteroid collision in the neighboring star system

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SciTechDaily

Astronomers observed a giant asteroid impact in Beta Pictoris, using data from the Webb and Spitzer telescopes. The event, which occurred 20 years ago, provides new insights into early planetary formation in this young star system. (Artist’s concept.) Credit: NASA The new observations shed light on the unstable processes that form star systems like our … Read more