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Knowridge Science Report

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Aerospace

Scientists reveal the nature of unknown gamma-ray sources

October 13, 2021 No Comments

Artistic representation of an active galaxy jet. Credit: M. Kornmesser/ESO. Astronomers have unveiled the nature of hundreds of gamma-ray emitting sources, discovering that most of them belong to the class of active galaxies known as blazars. Their recent study was published in The Astronomical Journal. One of the most intriguing

 1,355 Views

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Scientists detect strange radio waves from the direction of the galactic center

October 13, 2021 No Comments

Artist’s illustration of radio signal ASKAP J173608.2-321635. Credit: Sebastian Zentilomo/University of Sydney. Astronomers have discovered unusual signals coming from the direction of the Milky Way’s center. The radio waves fit no currently understood pattern of variable radio source and could suggest a new class of stellar object. “The strangest property

 330 Views

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Scientists discover unexpectedly radio signals from distant stars

October 12, 2021 No Comments

“Mini supernova” explosion. Credit: NASA. Using the world’s most powerful radio antenna, scientists have discovered stars unexpectedly blasting out radio waves, possibly indicating the existence of hidden planets. The University of Queensland’s Dr Benjamin Pope and colleagues at the Dutch national observatory ASTRON have been searching for planets using the

 414 Views

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New moon rocks brought back by Chang’e-5 are 1.97 billion years old

October 10, 2021 No Comments

Credit: Lunar QuickMap. A lunar probe launched by the Chinese space agency recently brought back the first fresh samples of rock and debris from the moon in more than 40 years. Now an international team of scientists — including an expert from Washington University in St. Louis — has determined

 961 Views

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Scientists reveal the origin of unusually heavy neutron star binaries

October 9, 2021 No Comments

Credit: Vigna-Gomez et al., ApJL 2021. A new study reveals how the explosion of a stripped massive star in a supernova can lead to the formation of a heavy neutron star or a light black hole. This resolves one of the most challenging puzzles to emerge from the detection of

 458 Views

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Why asteroid Bennu has so craggy surface

October 8, 2021 No Comments

Asteroid Bennu. Credit: NASA/Goddard/University of Arizona. Scientists thought asteroid Bennu’s surface would be like a sandy beach, abundant in fine sand and pebbles, which would have been perfect for collecting samples. Past telescope observations from Earth’s orbit had suggested the presence of ¬¬large swaths of fine-grain material called fine regolith

 3,617 Views

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This extreme exoplanet is even more exotic, shows study

October 7, 2021 No Comments

Credit: M. Kornmesser/ESO. The fiery exoplanet WASP-76b – a so-called hot Jupiter, where it rains iron – may be hotter than previously thought. Considered an ultra-hot Jupiter – a place where iron gets vaporized, condenses on the night side and then falls from the sky like rain – the fiery,

 1,212 Views

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Scientists discover a “window” to the early solar system

October 7, 2021 No Comments

Dwarf planet Vesta is helping scientists understand the early development of our solar system. Credit: NASA. The dwarf planet Vesta is helping scientists better understand the earliest era in the formation of our solar system. Two recent papers involving scientists from the University of California, Davis, use data from meteorites

 482 Views

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Scientists discover new tardigrade fossil in 16-million-year-old amber

October 6, 2021 No Comments

Source: Harvard University. Tardigrades, also known as water bears, are a diverse group of charismatic microscopic invertebrates that are best known for their ability to survive extreme conditions. A famous example was a 2007 trip to space where tardigrades were exposed to the space vacuum and harmful ionizing solar radiation,

 350 Views

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Scientists discover our solar system’s fastest-orbiting asteroid

October 6, 2021 No Comments

An artist’s conception of the newly discovered asteroid 2021 PH27, which has the shortest known orbital period for an asteroid and second shortest for any object in our Solar System after Mercury. Credit: Katherine Cain/Carnegie Institution for Science. The Sun has a new neighbor that was hiding in plain twilight.

 354 Views

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Scientists reveal the nature of unknown gamma-ray sources

October 13, 2021 No Comments

Artistic representation of an active galaxy jet. Credit: M. Kornmesser/ESO. Astronomers have unveiled the nature of hundreds of gamma-ray emitting sources, discovering that most of

 1,355 Views

Read More »

Scientists detect strange radio waves from the direction of the galactic center

October 13, 2021 No Comments

Artist’s illustration of radio signal ASKAP J173608.2-321635. Credit: Sebastian Zentilomo/University of Sydney. Astronomers have discovered unusual signals coming from the direction of the Milky Way’s

 330 Views

Read More »

Scientists discover unexpectedly radio signals from distant stars

October 12, 2021 No Comments

“Mini supernova” explosion. Credit: NASA. Using the world’s most powerful radio antenna, scientists have discovered stars unexpectedly blasting out radio waves, possibly indicating the existence

 414 Views

Read More »

New moon rocks brought back by Chang’e-5 are 1.97 billion years old

October 10, 2021 No Comments

Credit: Lunar QuickMap. A lunar probe launched by the Chinese space agency recently brought back the first fresh samples of rock and debris from the

 961 Views

Read More »

Scientists reveal the origin of unusually heavy neutron star binaries

October 9, 2021 No Comments

Credit: Vigna-Gomez et al., ApJL 2021. A new study reveals how the explosion of a stripped massive star in a supernova can lead to the

 458 Views

Read More »

Why asteroid Bennu has so craggy surface

October 8, 2021 No Comments

Asteroid Bennu. Credit: NASA/Goddard/University of Arizona. Scientists thought asteroid Bennu’s surface would be like a sandy beach, abundant in fine sand and pebbles, which would

 3,617 Views

Read More »

This extreme exoplanet is even more exotic, shows study

October 7, 2021 No Comments

Credit: M. Kornmesser/ESO. The fiery exoplanet WASP-76b – a so-called hot Jupiter, where it rains iron – may be hotter than previously thought. Considered an

 1,212 Views

Read More »

Scientists discover a “window” to the early solar system

October 7, 2021 No Comments

Dwarf planet Vesta is helping scientists understand the early development of our solar system. Credit: NASA. The dwarf planet Vesta is helping scientists better understand

 482 Views

Read More »

Scientists discover new tardigrade fossil in 16-million-year-old amber

October 6, 2021 No Comments

Source: Harvard University. Tardigrades, also known as water bears, are a diverse group of charismatic microscopic invertebrates that are best known for their ability to

 350 Views

Read More »

Scientists discover our solar system’s fastest-orbiting asteroid

October 6, 2021 No Comments

An artist’s conception of the newly discovered asteroid 2021 PH27, which has the shortest known orbital period for an asteroid and second shortest for any

 354 Views

Read More »
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