Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advances and more. For six months in the year 1181, a dying star streaked across the night sky. The striking object appeared as bright as Saturn near the constellation Cassiopeia and was recorded as a “guest star” in… Read More »
Scientists may have discovered how a supernova relatively close to Earth was adorned with a remarkable “string of pearls” formation. Supernova 1987A (SN 1987A) represents the remnants of a massive cosmic explosion that ripped apart a massive star and left behind a neutron star surrounded by stellar material. It is located in a satellite galaxy… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific breakthroughs and more. Thousands of years ago, a star in our galaxy exploded violently, creating a bright supernova remnant called Cassiopeia A that has intrigued scientists for decades. Now, a new image taken by the James Webb Space… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific breakthroughs and more. Thousands of years ago, a star in our galaxy exploded violently, creating a bright supernova remnant called Cassiopeia A that has intrigued scientists for decades. Now, a new image taken by the James Webb Space… Read More »