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Meteors can be multicolored
Cameras can often capture colors in cases where the human eye does not distinguish them. The picture shows a meteor from the Quadrantid stream, photographed earlier this month in Missouri in the USA. It turned out to be not only very bright, but also multicolored. A grain of sand, probably ejected from the asteroid 2003…
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On the exoplanet WASP-31b found a substance that is both liquid and gaseous
Researchers have found evidence of the presence of chromium hydride on the exoplanet WASP-31b, which at a certain temperature and pressure is at the boundary between liquid and gas. On Earth, it resembles clouds and rain. Chromium hydride can play a role in the formation of the weather system on this planet: clouds and rain…
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Rock analysis has shown that Mars used to resemble Iceland
The ancient Martian Gale crater became the center of research by scientists who compared the data of the Curiosity rover with places on Earth where similar geological formations eroded in different climatic conditions. The basalt relief of Iceland and the cool weather with temperatures, as a rule, below 3 °C turned out to be the…
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A unique neutron star was found in the “galactic cemetery”
The MeerKAT radio telescope has discovered a new type of neutron star. It rotates extremely slowly, making one revolution in 76 seconds. The authors believe that a new class of neutron stars has been found. The unique neutron star was named PSR J0901-4046. A neutron star emits at least seven different types of pulses, some…
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China targets permanently shaded regions at the Moon’s south pole
China is seeking to land spacecraft near permanently shadowed regions near the moon’s south pole to investigate the potential presence of resources trapped in craters. In such places, the temperature is about -230 degrees Celsius, colder than the surface of Pluto, which makes them potential traps for volatile substances, including water ice, as well as…
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The James Webb Space Telescope was used to track an asteroid
The telescope tracked the asteroid 6841 Tenzing from the main belt. There were no special tasks for the observatory, therefore, the sources do not publish any data. The main task of the telescope was precisely tracking the object. The bottom line is that, in general, “James Webb” was created to observe very remote objects. The…
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Four supernovae erupted near Earth, changing its climate
According to a new study, supernova explosions occurring thousands of light-years from Earth could leave a mark on the biology and geology of our planet. A supernova that erupts near Earth could wipe human civilization off the face of the planet. However, even stars born far out in space can cause catastrophic damage by plunging…
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What will happen to humanity, to the Earth, to the Solar system, the galaxy, and so on, if all gravity suddenly disappears?
All stars and planets retain their size and shape due to the balance between gravity, which tends to compress them, and pressure, which, on the contrary, tries to break them. If gravity disappears, then the balance between these two forces will be disrupted and the huge internal pressure will lead to the explosion of all…
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“The “planets” may turn out to be the primary black hole
Astronomers have long suspected that there is a mysterious planet on the outskirts of the Solar System that has yet to be discovered. The authors of the new hypothesis are sure that this is not a planet, but a primary black hole that has survived since the Big Bang. “Official science has not yet confirmed…
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The strongest magnet in the universe gave unusual signals
Astronomers have revealed the strange behavior of the radio-loud magnetar Swift J1818.0-1607, which is a neutron star with an extremely strong magnetic field. Such objects are known as the strongest magnets in the universe. The magnetar was detected in March 2020 by a powerful X-ray flash. After that, the object gave unusual radio pulses, which…
