Proverb “Once in blue Month“This week is particularly relevant. This Sunday (August 22nd), especially with the designation” blue “, the full moon Sturgeon Moon is expected to impress Skygazer.
The term “blue moon” usually refers to the second full moon of the same month.The last one rose on the eerie October 31, 2020 The blue moon illuminated the night sky on Halloween.. However, there is a lesser-known definition that dates back to 1528. This applies to the third full moon in a season with four full moons. According to NASA..
Chinese astronauts return after 90-day mission to space station – Al Jazeera English
Shenzhou-12 mission carrying three Chinese men landed safely in the autonomous region of Inner Mongolia in northern China.
Three Chinese astronauts have returned to earth after a 90-day visit to an unfinished space station in the country’s first crewed mission since 2016.
In a small return capsule, the three men – Nie Haisheng, Liu Boming and Tang Hongbo – landed safely in the autonomous region of Inner Mongolia in the north of China at 1:34pm (05:34 GMT), state media reported.
The Shenzhou-12 mission was the first of four crewed missions planned for 2021-2022 as China assembles its first permanent space station. The process requires 11 missions, including the launches of the station’s three modules.
Construction kicked off in April with the launch of the Tianhe module, the future living quarters of the space station. Slightly larger than a city bus, Tianhe was where Nie, Liu and Tang have stayed since mid-June, marking China’s longest spaceflight mission.
While in orbit, the astronauts conducted spacewalks, validated Tianhe’s life-support system, tested the module’s robotic arm, and sorted supplies for upcoming crewed missions.
The second crewed mission is planned for October, with the next batch of astronauts expected to stay on Tianhe for six months.
Ahead of that Shenzhou-13 mission, China will send an automated cargo spacecraft – Tianzhou-3 – to Tianhe carrying supplies needed by the next crew.
Tianzhou-3 will be launched in the near future, state media said recently.
Blocked by US law from working with NASA and by extension on the US-led International Space Station (ISS), China has spent the past 10 years developing technologies to construct its own space station.
China’s space station, expected to be completed by the end of 2022, will be the sole alternative to the 20-year-old ISS, which may be retired in 2024.
900-year-old Chinese supernova mystery points to strange nebula – Space.com
In the year 1181 AD, a new bright point of light as luminous as the planet Saturn appeared to Chinese and Japanese skygazers for a little more than six months before disappearing. Hundreds of years later, researchers believe they have finally found the source of this mysterious appearance.
The event, like the famous Crab Nebula-forming stellar explosion of 1054, is one of just a handful of bright nearby flashes noted in historical records, but unlike the Crab Nebula, the 1181 spectacle was tricky to pin down.
The historical record leaves a few clues that have been useful to modern astronomers. First, the timing: this “guest star” shined for 185 days, from Aug. 6, 1181, to Feb. 6, 1182. The record also indicates its place in the sky, which was a spot located between two Chinese constellations, Chuanshe and Huagai, near the modern Cassiopeia.
These cosmic puzzle pieces led a research team to the ancient flash’s likely culprit: a supernova whose remnants now form a fast-expanding nebula called Pa30. The nebula’s clouds move so quickly that, in the new research, scientists from Hong Kong, the U.K., Spain, Hungary and France found that Pa30’s dust and gas could travel the distance from Earth to the moon in a whopping five minutes. By using that speed and calculating backward, the researchers determined that the nebula would fit a supernova that exploded around 1181.
The team found that Pa30 formed from a rare and relatively faint type of supernova, called a ‘Type Iax supernova.’ “Only around 10% of supernovae are of this type and they are not well understood. The fact that SN1181 was faint but faded very slowly fits this type,” Albert Zijlstra, an astrophysicist at the University of Manchester in the U.K., said in a statement about the new research.
Scientists also found that Parker’s star, one of the hottest stars in the Milky Way, is also a likely counterpart to the supernova. The nebula and the star are thought to be the result of a massive collision and subsequent merger of two dim stellar corpses known as white dwarfs.
“This is the only Type Iax supernova where detailed studies of the remnant star and nebula are possible,” Ziljlstra added. “It is nice to be able to solve both a historical and an astronomical mystery.”
The study was published on Wednesday (Sept. 15) in the journal Astrophysical Journal Letters.
Follow Doris Elin Urrutia on Twitter @salazar_elin. Follow us on Twitter @Spacedotcom and on Facebook.
SpaceX's tourist crew 'healthy, happy and resting' – Phys.org
SpaceX’s all-civilian Inspiration4 crew are “healthy, happy and resting comfortably,” the company said Thursday in its first update since the pioneering mission blasted off from Cape Canaveral the night before.
The four American space tourists “traveled 5.5 times around Earth, completed their first round of scientific research, and enjoyed a couple of meals” before going to bed, Elon Musk’s company said.
Musk tweeted that he had personally spoken with the crew and “all is well.”
After waking up, they will get their first look out of the Dragon ship’s cupola—a large observation dome that has been fitted onto the vessel for the first time, in place of a docking mechanism.
Billionaire Jared Isaacman, physician assistant Hayley Arceneaux, geoscientist Sian Proctor and aerospace data engineer Chris Sembroski are orbiting the globe at an altitude that at times reaches 590 kilometers (367 miles).
That is deeper in space than the International Space Station, which orbits at 420 kilometers (260 miles), and the furthest any astronauts have ventured from our planet since a 2009 maintenance mission for the Hubble telescope.
The mission aims to raise $200 million for St Jude’s Children’s Research Hospital, and study the biological effects of deep space on the astronauts’ bodies.
The space adventure bookends a summer marked by the battle of the billionaires Richard Branson and Jeff Bezos to reach the final frontier.
But these flights only offered a few minutes of weightlessness—rather than the three full days of orbit the Inspiration4 crew will experience, before splashing down off the coast of Florida on Saturday.
© 2021 AFP
SpaceX’s tourist crew ‘healthy, happy and resting’ (2021, September 16)
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