Hayadan > Space and astronomy > Solar System
Solar System
- Avi Blizovsky
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By analyzing a twinkling pulsar, scientists have mapped plasma plumes and a bow shock wave with unprecedented clarity, upending the assumption that our local interstellar neighborhood is calm.
- Avi Blizovsky
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Asteroid encounter reveals 150-million-year-old fracture: The Lucy spacecraft took stunning images of the asteroid Donaldjohansson, revealing it to be a pair in contact, in the unusual shape of an "ice cream cone" with two spheres.
- Avi Blizovsky
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The Lucy spacecraft will make a close flyby of the asteroid Donald Johanson on April 20, a systems practice before arriving at Jupiter's Trojan asteroids.
- Avi Blizovsky
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While in the past, percentages of risk for a dangerous encounter with Earth were measured, the new data from advanced discoveries with NIRCam and MIRI indicate absolute confidence – with unique discoveries in the thermal and structural properties of the asteroid.
- Avi Blizovsky
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Scientists reveal that the sun's journey through the Orion Nebula could have changed Earth's climate
- Avi Blizovsky
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About 14 million years ago, in the middle of the Miocene epoch, the solar system passed through the Orion Nebula. At the same time, the Earth cooled and the Antarctic ice sheet formed. Is there a connection between the two phenomena?
- Avi Blizovsky
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How an ancient impact on Australia may have triggered global changes in climate and ocean chemistry
- Avi Blizovsky
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Juno spacecraft data suggests Io's controversial magma ocean may not exist
- Avi Blizovsky
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NASA's Europa Clipper probe has performed a gravity maneuver around Mars on its way to Jupiter's moon Europa, to investigate whether it might be home to extraterrestrial life.
- Avi Blizovsky
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Researchers have found evidence of a beach on the Utopia Plain on Mars, strengthening the hypothesis that an ocean once covered a large part of the planet and its influence may have been evident for a longer time than previously thought.
- Avi Blizovsky
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- Avi Blizovsky
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The European Southern Observatory (ESO) tracked the asteroid with the Very Large Telescope in Chile and reached a more accurate prediction of the trajectory of the asteroid that threatened to destroy entire cities. * In recent weeks, calculations have been made according to which
- Avi Blizovsky
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Researchers are uncovering secrets of our solar system by analyzing samples from the asteroid Bennu, some of the finest ever collected.
- Avi Blizovsky
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TGO image from November 3, 2023 reveals impact effects in Cerberus Fossae region, deepening understanding of Martian tremors and seismic effects
- Avi Blizovsky
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NASA and international scientists are monitoring new data to determine the risk of a collision and potential impacts. Since it is a short-range event, actions to deal with it have already begun. Among other things, China has launched a campaign to recruit experts for the "protection" team.
- Avi Blizovsky
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This discovery could help NASA and other organizations protect astronauts, satellites, and technologies on the ground from the potentially harmful effects of space weather.
- Avi Blizovsky
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New research suggests that nitrogen and methane seep from Titan's rocky core to the surface, helping to maintain its dense atmosphere. The findings could shed light on the planet's internal chemistry.
- Avi Blizovsky
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Asteroid 2024 YR4 has been identified by NASA with a low chance – just over 1% – of colliding with Earth in December 2032. Scientists continue to collect data and refine calculations to assess the true risk.
- Avi Blizovsky
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- Avi Blizovsky
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New research reveals that Pluto and its large moon Charon formed from a unique "kiss and capture" process following a giant collision, with significant implications for understanding the solar system.
- Haim Mazar
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- Avi Blizovsky
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A new study reveals the complexity of the presence of liquid water on Mars, emphasizing the cold conditions and atmospheric pressure that challenge its existence, despite decades of research on the subject
- Avi Blizovsky
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A group of 138 new asteroids, ranging in size from a bus to a stadium, has been discovered in the asteroid belt between Mars and Jupiter by observations of the Webb Space Telescope
- Avi Blizovsky
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The Parker Solar Probe reached a distance of only 6.1 million km from the Sun, at a record speed of 690,000 km/h, in a groundbreaking operation to improve our understanding of our planet
- Avi Blizovsky
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New research reveals that massive asteroid impacts, which created two of the largest craters on Earth, did not cause long-term climate changes
- Avi Blizovsky
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Researchers at the University of Hawaii are using the world's largest solar telescope and artificial intelligence to study plasma above sunspots, improving understanding of the sun and space predictions.
- Avi Blizovsky
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New discoveries reveal the fascinating dynamics of Jupiter's magnetic field and atmosphere, with the help of ultraviolet observations from the Hubble telescope
- Avi Blizovsky
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- Avi Blizovsky
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A new study shows that the Taurid swarm contains fewer large asteroids than predicted, so the risk level from it is lower.
- Avi Blizovsky
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Observations made with the Subaru Telescope in Hawaii have revealed new objects in the outer region of the Solar System, pointing to a large, unknown population beyond the Kuiper Belt.
- Avi Blizovsky
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A new study reveals that most of the meteorites on Earth were formed as a result of collisions that occurred in the asteroid belt in the last tens of millions of years. The discovery provides new insights into the origins of meteorites and the possible threat to Earth
- Avi Blizovsky
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NASA and NOAA forecasts indicate an increase in solar activity, increasing the risk of space weather and affecting satellites, communications and the aurora borealis
- Avi Blizovsky
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The largest spacecraft ever built for an interplanetary mission has begun its long journey to explore Europa, with the goal of uncovering the secrets of the ocean beneath the ice and possibly finding evidence of extraterrestrial life.
- Avi Blizovsky
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Researchers have identified significant time gaps in emissions in solar flares that challenge the accuracy of current models of solar flares, and point to possible alternative energy transfer mechanisms
- Avi Blizovsky
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Mars was not always the cold, desolate desert we see today. There is more and more evidence that water once flowed across the surface of the Red Planet, necessitating the existence of a thick atmosphere, but suddenly
- Avi Blizovsky
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Severe weather conditions in Florida are forcing NASA and SpaceX to delay the launch of the Europa Clipper mission, which was designed to explore Jupiter's icy moon.
- Avi Blizovsky
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These holes, which are theoretical remnants of the early universe, may be detectable every decade as they pass through the solar system, offering a new way to study the elusive dark matter
- Avi Blizovsky
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NASA's Solar Dynamics Observatory (SDO) has recorded one of the strongest outbursts in the current solar cycle, with the potential to impact technological systems on Earth and in space
- Avi Blizovsky
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The Europa Clipper spacecraft was recently refueled, an important step in preparation for its mission to Jupiter's moon Europa
- Avi Blizovsky
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This asteroid, which led to the extinction of the dinosaurs, came from a C-type asteroid that originated beyond Jupiter, thus ruling out other hypotheses such as volcanic activity or comets
- Avi Blizovsky
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- Avi Blizovsky
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Effective radiation shielding materials such as plastics, rubber, synthetic fibers and Martian soil have been identified as protecting astronauts on Mars, increasing the viability of long-duration missions and future settlement plans
- Avi Blizovsky
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NASA's biennial exercises simulate an asteroid impact to prepare international response strategies. These scenarios use real data to test emergency preparedness and explore diversion techniques like the DART mission
- Avi Blizovsky
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The observations will help analyze data from NASA's Psyche spacecraft on its way to this interesting asteroid that orbits the Sun in the main asteroid belt - between Mars and Jupiter
- Avi Blizovsky
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Researchers identify eddy currents in the Sun, called Rossby waves, as mediating the tidal effects of Venus, Earth and Jupiter on the Sun's magnetic activity
- Avi Blizovsky
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- Avi Blizovsky
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NASA scientists conducted an experiment simulating the conditions on the icy moons Europa of Jupiter and Enceladus of Shabati and came to the conclusion that if there is life on them you don't need to dig deep to find at least their remains
- Avi Blizovsky
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The OSIRIS-Rex sample analysis team found that the asteroid dust was rich in carbon, nitrogen, organic compounds and magnesium sodium phosphate, suggesting special historical conditions.
- Avi Blizovsky
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Could asteroids, which are remnants of comets, be one of the main sources of water on Earth?