Gamma-Ray Breakthrough
Scientists from the Chinese mainland have identified a gamma-ray spectral line with energy levels peaking at 37 million electron volts. Remarkably, the gamma-ray line evolves according to a power-law function over time, offering new insights into the enigmatic nature of these bursts. This discovery marks a significant milestone in gamma-ray burst research, potentially paving the way for deeper understanding of cosmic phenomena.
Signs of Ancient Life on Mars
NASA's Perseverance rover has uncovered possible signs of ancient life on Mars. The rover discovered a vein-filled red rock exhibiting signs of organic material and surface spots akin to fossilized microbes on Earth. Additionally, evidence suggests that water once flowed through the rock, highlighting the planet's potential to have supported life. Further studies are underway to unlock the secrets of Mars' past.
Record-Breaking Global Temperatures
Earth experienced its hottest day in history on July 21, with the daily global average temperature reaching 17.09°C. This record was swiftly surpassed the next day, as the average temperature rose to 17.15°C on July 22. Scientists attribute this extreme heat to human-induced global warming, warning that the planet may enter its warmest period in at least 100,000 years if current trends continue.
Upcoming SpaceX and NASA Mission
SpaceX and NASA are set to launch the Crew-9 mission to the International Space Station (ISS) on August 18. This ninth crew rotation will transport four NASA astronauts 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 flight, ensuring the mission proceeds as planned.
Reference(s):
Science Saturday: Gamma-ray, life on Mars, climate and space mission
cgtn.com
