Unveiling Mysteries of the Universe
Chinese scientists have achieved a major milestone in gamma-ray burst research by identifying a gamma-ray spectral line with energy levels peaking at 37 million electron volts. Remarkably, this gamma-ray line evolves over time according to a power-law function, offering new insights into the mysterious nature of gamma-ray bursts and their origins.
Possible Signs of Ancient Life on Mars
NASA’s Perseverance rover has uncovered intriguing evidence that could point to ancient life on Mars. The rover discovered a vein-filled red rock containing signs of organic material. The rock exhibits surface spots similar to those associated with fossilized microbes on Earth, and there’s evidence that water once flowed through it. While further studies are needed, this finding brings scientists one step closer to unlocking the secrets of life on the Red Planet.
Record-Breaking Global Temperatures
The Earth recorded its hottest day in history on July 21, with the daily global average temperature reaching 17.09 degrees Celsius. This record was shattered the very next day when the average temperature climbed to 17.15 degrees Celsius on July 22. Scientists attribute this unprecedented heat to human-caused global warming, warning that the planet may be experiencing its warmest period in at least 100,000 years.
SpaceX and NASA’s Upcoming Crew-9 Mission
SpaceX and NASA are gearing up to launch the Crew-9 mission to the International Space Station (ISS) on August 18. This mission marks the ninth crew rotation to the ISS and will include four NASA astronauts. They will travel aboard a SpaceX Dragon spacecraft, propelled by the Falcon 9 rocket. After a temporary grounding due to a mid-flight failure earlier this month, the Falcon 9 has been cleared for launch, paving the way for this highly anticipated mission.
Reference(s):
Science Saturday: Gamma-ray, life on Mars, climate and space mission
cgtn.com
