SCIENCE
Hubble's new 'molten Einstein ring' image prompts new research
The object, GAL-CLUS-022058s, is located in the southern hemisphere constellation of Fornax (the Furnace). The image was nicknamed the "Molten Ring", which alludes to its appearance and host constellation.
'Quite terrifying': Closest known relatives of Covid virus found in Laos
The study, posted on the preprint server Research Square and not peer-reviewed yet, showed that the similarity of parts of the new viruses' genetic code with SARS-CoV-2 reinforces claims that Covid-19 has a natural origin. At the same time, their discovery means there are numerous coronaviruses with the potential to infect people, Nature reported.
Covid might be occasional trigger for Guillain-Barre syndrome
In the disorder, a person's immune system attacks the nerves, causing muscle weakness and occasionally, paralysis. The condition is triggered by an acute bacterial or viral infection and can last for weeks or several years. Since the beginning of the pandemic, doctors have reported over 90 GBS cases following a possible Covid-19 infection.
Astronomers find why galaxies become dormant
Star formation is one of the key ways that galaxies grow, and they're said to have gone quiescent when they cease forming stars. Using NASA's Hubble Space Telescope and the Atacama Large Millimeter/submillimeter Array (ALMA) in northern Chile, the team from the University of Massachusetts, Amherst detected six such massive galaxies that were dead.
NASA splits its human spaceflight unit into two
Of the two units, the Exploration Systems Development Mission Directorate (ESDMD) will develop systems for exploring the Moon and Mars, and the Space Operations Mission Directorate (SOMD) will focus on space operations. NASA is making the changes because of increasing space operations in low-Earth orbit and development programmes well underway for deep space exploration.
Skygazers check out on Wednesday for #SepEquinox2021
Equinox comes from the Latin words equi, which means "equal" and nox, which means "night". The astronomical event is caused by Earth's tilt on its axis and its motion in orbit around the Sun. On Wednesday, the Sun will be exactly above Earth's equator, moving from north to south, making day and night nearly equal in length -- about 12 hours -- throughout the world, said US space agency NASA in a blogpost.
NASA's Artemis rover to land near Moon's south pole
The Artemis rover -- Volatiles Investigating Polar Exploration Rover (VIPER) -- during its 100-day journey will explore the region's surface and subsurface for water and other resources, the US space agency has confirmed.
Mars may be too small to retain enough water: Study
While Mars has no liquid water on its surface today, remote sensing studies and analyses of Martian meteorites dating back to the 1980s posit that Mars was once water-rich, compared to Earth
New dark energy may explain why Universe is expanding
According to cosmologists, the type of dark energy might have existed in the first 3,00,000 years after the Big Bang, Nature reported. A tentative first trace of this 'early dark energy' was detected in data collected between 2013 and 2016 by the Atacama Cosmology Telescope (ACT) in Chile, revealing two separate studies -- posted on the arXiv preprint server, meaning not yet peer-reviewed.
NASA's Ingenuity captures Mars rock feature in 3D
The mini-helicopter flew to the red planet on February 18 while being attached to the belly of NASA's Perseverance rover.
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