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China will send its first civilian astronaut into space as part of a crewed mission to the Tiangong space station on Tuesday, its Manned Space Agency announced, as Beijing pushes ahead with its extra-terrestrial ambitions.

The world’s second-largest economy has invested billions of dollars into its military-run space programme, trying to catch up with the United States and Russia after years of belatedly matching their milestones.

Until now, all Chinese astronauts sent into space have been part of the People’s Liberation Army.

“Payload expert Gui Haichao is a professor at Beijing University of Aeronautics and Astronautics,” China Manned Space Agency Spokesperson Lin Xiqiang told reporters Monday.

Gui will be “mainly responsible for the on-orbit operation of space science experimental payloads”, Lin said.

The commander is Jing Haipeng — on his fourth mission into space, according to state media — and the third crew member is engineer Zhu Yangzhu.

They are set to take off from the Jiuquan Satellite Launch Centre in northwest China on Tuesday at 9:31 am (0131 GMT), the Manned Space Agency said.

Gui’s university, known as Beihang University in English, said he hailed from an “ordinary family” in western Yunnan province.

He “first felt the attraction of aerospace” listening to the news of China’s first man in space, Yang Liwei, on campus radio in 2003, the university said in a post on social media.

‘Space dream’

Under President Xi Jinping, plans for China’s “space dream” have been put into overdrive.

China is planning to build a base on the Moon and the country’s National Space Administration said it aims to launch a crewed lunar mission by 2029.

The final module of the T-shaped Tiangong — whose name means “heavenly palace” — successfully docked with the core structure last year.

The station carries a number of pieces of cutting-edge science equipment, state news agency Xinhua reported, including “the world’s first space-based cold atomic clock system”.

Once finished, Tiangong is expected to remain in low Earth orbit at between 400 and 450 kilometres (250 and 280 miles) above the planet for at least 10 years — realising an ambition to maintain a long-term human presence in space.

It will be constantly crewed by rotating teams of three astronauts, who will conduct scientific experiments and help test new technologies.

While China does not plan to use Tiangong for global cooperation on the scale of the International Space Station, Beijing said it is open to foreign collaboration.

It is not yet clear how extensive that cooperation will be.

China has been effectively excluded from the International Space Station since 2011, when the United States banned NASA from engaging with the country.

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New World Record Alert: Weather Satellite Records Longest Lightning Flash of 515 Miles

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August 1, 2025

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New World Record Alert: Weather Satellite Records Longest Lightning Flash of 515 Miles

Back in the year 2017, when a thunderstorm exhibited a lightning bolt, it was astonishing in many ways. Not only was it surprising, but it was a bolt that went 515 miles (829 Kilometers) long. In recent scientific advancements, researchers have confirmed the length of the bolt using archival satellite data. The lightning stretched and travelled from Texas to Missouri. This lightning has finally made a world record by beating the previous record holder, which was a bolt that went 477 miles in the year 2020.

According to Randy Cerveny, an Arizona State University professor, who played a significant role in the study, stated, “We call it megaflash lightning and we’re just figuring out the mechanics of how and why it occurs”.

More About Megaflash Lightning

Megaflash lightning could be best described as a lightning bolt that possesses the capacity to reach 62 miles in length. Whereas, the average lightning bolt is less than 10 miles in length. In order to find the reason behind this megaflash, the team assessed the data from the National Oceanic and Atmospheric Administration’s GOES-16 satellite. This satellite is embedded with a lightning mapper that monitors over one million bolts on a daily basis. This analysis determined that the length of the bolt was 515 miles.

Know How a Megaflash is Measured

With the advancements in satellites, the lightning mappers have become an accurate source of measuring lightning. Previously, ground-based radio networks did the work. As mentioned on Space.com, according to Michael Peterson, Georgia Tech Research Institute, “Adding continuous measurements from geostationary orbit was a major advance”. We are now at a point where most of the global megalfash hotspots are covered by a geostationary satellite, and data processing techniques have improved to properly represent flashes in the vast quantity of observational data at all scales”.

Typically, these megaflashes are rare and are generated from less than one percent of the thunderstorms. These megaflashes are mainly a result of a 14-hour churn or more.

To conclude, as mentioned on Space.com, Cerveny stated, “Those conditions aren’t much rare though. And, as our lightning mapping satellites curate new data, the potential megaflashes are expected to be visible. Likewise, there is a possibility that megaflashes, even larger in length, exist. Over time, they will also be observed.

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New Rogue Planet Discovered in Hubble Data Using Einstein’s Gravity Theory

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August 1, 2025

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New Rogue Planet Discovered in Hubble Data Using Einstein’s Gravity Theory

Astronomers found that a new rogue planet hides in the archival data that was gathered by the Hubble Space Telescope with the help of Albert Einstein and the happening of the events by chance, leading to success. These planets are also known as free-floating planets and do not orbit a star. These are just ejected from their home systems because of the planetary interactions. As they lack a host star, it is difficult to detect them by transit. However, the astronomers use microlensing with gravity, Einstein’s 1915 theory-based phenomenon of general relativity, in which massive objects warp space and bend light from the background stars.

Einstein’s Theory Helps Detect Hidden Rogue Planet

According to As per Przemek Mroz, a professor at the University of Warsaw free free-floating planets don’t orbit any star and drift alone through the galaxy. In order to find such objects, we need to use the technique of gravitational microlensing. At the time of using this technique, the light of the background star gets magnified temporarily. The physicists estimate the mass of the object by analysing the properties of the event.

The newly found event of microlensing, OGLE-2023-BLG-0524, was seen by Hubble on May 22, 2023. Observed by KMTnet, the event only lasted for eight hours and was discovered in the Galactic bulge by the OGLE survey. The team ruled out the presence of a host star; however, very nearby elements can’t be excluded completely.

Microlensing Event Reveals Free-Floating Planet in Hubble Data

The lens and source are more relative to each other; the physicists confirm the status of the object over time. The movement of 5 milliseconds per year could take 10 years to resolve with the recent instruments.

Hubble’s data from 1997 let the scientists rule out the bright host stars. Mroz said that if the lens were a bright star, we would have observed it, but we could not. This absence evoked 25%-48% of the possible stellar companions. This research is available on arXiv.

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Brightest Gamma-Ray Burst Ever Observed Reveals Cosmic Secrets

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August 1, 2025

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Brightest Gamma-Ray Burst Ever Observed Reveals Cosmic Secrets

On Oct. 9, 2022, astronomers recorded an extraordinary flash of high-energy light. This gamma-ray burst (GRB 221009A), nicknamed the “BOAT” (Brightest Of All Time), was the brightest and most energetic cosmic explosion ever witnessed. It came from a galaxy about 2 billion light-years away, and its blast of gamma rays briefly overwhelmed detectors on orbiting satellites. Scientists say such a powerful GRB is extremely rare – roughly a once-in-10,000-year event – and its record-setting nature offers a rare chance to study the death of a star and the physics of these extreme blasts.

Decoding the ‘BOAT’

According to the paper, GRB 221009A was first detected by NASA’s Fermi and Swift spacecraft. Its initial, powerful gamma-ray flash blinded detectors around the world. Its extreme nature marked it out immediately from other GRBs. Though astronomers originally detected the BOAT as an immensely bright flash of high-energy gamma rays, this flash was followed by a fading afterglow across many wavelengths of light, thus allowing non-gamma-ray-based telescopes to study it.

One of the biggest challenges was that the related supernova, SN 2022xiw, was hidden by the brilliance of the GRB and only visible much later. This behaviour highlights how the burst’s huge energy can disguise temporarily the underlying death of the star, making total observation challenging.

Insights on GRBs

Gamma-ray bursts such as this result from the collapse of a star’s core into a black hole. The newly born black hole powers twin beams of particles at nearly the speed of light, breaking through the star and creating the seen gamma rays. GRB 221009A data fit this model but surprise us. Astronomers employed the James Webb Space Telescope to locate the supernova burst but could not detect a hint of heavy elements such as gold or platinum in the debris. Meanwhile, NASA’s Fermi satellite observed an odd gamma-ray line, which is potentially the first unmistakable detection of electrons colliding with positrons (their antimatter counterparts) and annihilating in a GRB jet. These clues are helping researchers refine models of GRBs, stellar collapse, and how heavy elements are forged.

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Further reading:
Gamma-Ray Burst, GRB 221009A, BOAT, Supernova, JWST, Fermi, Stellar Death, Cosmic Explosion, Astrophysics, Space Discovery, NASA

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