Natural Sciences

June 2025: A Rare Double Stars Will Appear By Shahid Ullah Khan Physics Lecturer Email: shahid_khan_phy@hotmail.com Contact: 0331-5107369 A Celestial Spectacle: Don’t Miss the "Double Star" in June 2025 The night sky is about to stage a rare and breathtaking performance — an event that only happens once in several centuries. In June 2025, a rare celestial phenomenon will occur: a nova outburst that will make a hidden double star visible to the naked eye. For skywatchers and science enthusiasts alike, this is a once-in-a-lifetime opportunity. What’s Happening? In the constellation Corona Borealis , about 3,000 light-years away from Earth, lies a binary star system known as T Coronae Borealis (T CrB) . It consists of a white dwarf and a red giant locked in a cosmic dance. Over time, the white dwarf pulls material from the red giant, slowly building up pressure. Once enough hydrogen accumulates on its surface, it triggers a massive thermonuclear explosion — a nova . T...

Astronomers Have Found the Largest Sound After the Big Bang By Shahid Ullah Khan Physics Lecturer Email: shahid_khan_phy@hotmail.com | Contact: 0331-5107369 A Silent Symphony of the Universe In the vast silence of space, where no air exists to carry sound as it does on Earth, one might assume the cosmos is eternally quiet. However, astronomers have discovered a cosmic "sound" that defies our expectations—a colossal, deep vibration that originated shortly after the Big Bang. This isn't a sound that our ears can detect. Instead, it's a pressure wave —a ripple in the dense plasma that filled the young universe. Using cutting-edge observations from NASA’s Chandra X-ray Observatory , scientists focused on the Perseus galaxy cluster , about 250 million light-years from Earth. What they found stunned the astronomical community: enormous sound waves propagating through the superheated gas surrounding the cluster. A Sound Beyond Human Hearing These waves are genera...