Current Planets News and Events

Current Planets News and Events, Planets News Articles.
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A new beat in quantum matter
Oscillatory behaviors are ubiquitous in Nature, ranging from the orbits of planets to the periodic motion of a swing. In pure crystalline systems, presenting a perfect spatially-periodic structure, the fundamental laws of quantum physics predict a remarkable and counter-intuitive oscillatory behavior: when subjected to a weak electric force, the electrons in the material do not undergo a net drift, but rather oscillate in space, a phenomenon known as Bloch oscillations. (2020-11-23)

Ancient zircon minerals from Mars reveal the elusive internal structure of the red planet
Analysis of an ancient meteorite from Mars suggests that the mineral zircon may be abundant on the surface of the red planet. By determining the age and hafnium isotope composition of these zircons, researchers from the University of Copenhagen have shown that a population of these crystals were sourced from the deep interior of Mars. If the researchers are correct, it means that the young zircons contain information about the deep, inaccessible interior of Mars, which provides insights into the internal structure of the planet. (2020-11-17)

Building blocks of life can form long before stars
An international team of scientists have shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in space. (2020-11-16)

Radioactive elements may be crucial to the habitability of rocky planets
The amount of long-lived radioactive elements incorporated into a rocky planet as it forms may be a crucial factor in determining its future habitability. That's because internal heating from the radioactive decay of the heavy elements thorium and uranium drives plate tectonics and may be necessary for the planet to generate a magnetic field. Earth's magnetic field protects the planet from solar winds and cosmic rays. (2020-11-10)

Researchers present wild theory: Water may be naturally occurring on all rocky planets
Life is deeply dependent on water, but where does water come from? Based on new research, researchers from the University of Copenhagen believe it may emerge in connection with the formation of planets. (2020-11-09)

NYUAD study finds stellar flares can lead to the diminishment of a planet's habitability
In a new study researchers, led by Research Scientist Dimitra Atri of the Center for Space Science at NYU Abu Dhabi (NYUAD), identified which stars were most likely to host habitable exoplanets based on the calculated erosion rates of the planetary atmospheres. (2020-11-08)

The craters on Earth
A two-volume atlas presents and explains the impact sites of meteorites and asteroids worldwide (2020-11-03)

Supersonic winds, rocky rains forecasted on lava planet
Among the most extreme planets discovered beyond the edges of our solar system are lava planets: fiery hot worlds that circle so close to their host star that some regions are likely oceans of molten lava. According to scientists, the atmosphere and weather cycle of at least one such exoplanet is even stranger, featuring the evaporation and precipitation of rocks, supersonic winds that rage over 5000 km/hr, and a magma ocean 100 km deep. (2020-11-03)

An Earth-sized rogue planet discovered in the Milky Way
Our Galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers, has announced the discovery of the smallest Earth-sized free-floating planet found to date. (2020-10-29)

Where were Jupiter and Saturn born?
New work reveals the likely original locations of Saturn and Jupiter. These findings refine our understanding of the forces that determined our Solar System's unusual architecture, including the ejection of an additional planet between Saturn and Uranus, ensuring that only small, rocky planets, like Earth, formed inward of Jupiter. (2020-10-29)

Data reveals evidence of molecular absorption in the atmosphere of a hot Neptune
An international team of scientists recently measured the spectrum of the atmosphere of a rare hot Neptune exoplanet, whose discovery by NASA's Transiting Exoplanet Survey Satellite (TESS) was announced just last month. (2020-10-26)

New study details atmosphere on 'hot Neptune' 260 light years away that 'shouldn't exist'
A team led by an astronomer from the University of Kansas has crunched data from NASA's TESS and Spitzer space telescopes to portray for the first time the atmosphere of a highly unusual kind of exoplanet dubbed a 'hot Neptune.' (2020-10-23)

Stars and planets grow up together as siblings
ALMA shows rings around the still-growing proto-star IRS 63 (2020-10-23)

Exploring the source of stars and planets in a laboratory
New computer simulation aims to verify a widely held but unproven theory of the source of celestial bodies. (2020-10-23)

AI and photonics join forces to make it easier to find 'new Earths'
By combining photonics with artificial intelligence, University of Sydney scientists have developed a sensor that will help decipher the 'twinkle' of stars and allow for Earth-based exploration of planets around distant stars. Their invention will be deployed in one of the world's largest telescopes at Mauna Kea, Hawaii. (2020-10-21)

Smile, wave: Some exoplanets may be able to see us, too
Three decades after Cornell astronomer Carl Sagan suggested that Voyager 1 snap Earth's picture from billions of miles away - resulting in the iconic Pale Blue Dot photograph - two astronomers now offer another unique cosmic perspective: Some exoplanets - planets from beyond our own solar system - have a direct line of sight to observe Earth's biological qualities from far, far away. (2020-10-21)

Ultraviolet shines light on origins of the solar system
In the search to discover the origins of our solar system, an international team of researchers, including planetary scientist and cosmochemist James Lyons of Arizona State University, has compared the composition of the sun to the composition of the most ancient materials that formed in our solar system: refractory inclusions in unmetamorphosed meteorites. (2020-10-19)

Two planets around a red dwarf
The 'SAINT-EX' Observatory, led by scientists from the National Centre of Competence in Research NCCR PlanetS of the University of Bern and the University of Geneva, has detected two exoplanets orbiting the star TOI-1266. The Mexico-based telescope thus demonstrates its high precision and takes an important step in the quest of finding potentially habitable worlds. (2020-10-16)

Star clusters are only the tip of the iceberg
Star clusters have been part of the Imaginarium of human civilization for millennia. The brightest star clusters to Earth, like the Pleiades, are readily visible to the naked eye. A team around astronomer Stefan Meingast at the University of Vienna has now revealed the existence of massive stellar halos, termed coronae, surrounding local star clusters. The paper was published in ''Astronomy & Astrophysics''. (2020-10-15)

Vaporized metal in the air of an exoplanet
An international team of researchers led by the National Centre of Competence in Research PlanetS of the University of Bern and the University of Geneva studied the atmosphere of the ultra-hot exoplanet WASP-121b. In it, they found a number of gaseous metals. The results are a next step in the search for potentially habitable worlds. (2020-10-08)

New research explores how super flares affect planets' habitability
New research from the University of North Carolina at Chapel Hill will help astrobiologists understand how much radiation planets experience during super flares and whether life could exist on worlds beyond our solar system. (2020-10-07)

NASA's TESS creates a cosmic vista of the northern sky
Familiar stars shine, nebulae glow, and nearby galaxies tantalize in a new panorama of the northern sky assembled from 208 pictures captured by NASA's Transiting Exoplanet Survey Satellite (TESS). The planet hunter imaged about 75% of the sky in a two-year-long survey and is still going strong. (2020-10-06)

Some planets may be better for life than Earth
Researchers have identified two dozen planets outside our solar system that may have conditions more suitable for life than our own. Some of these orbit stars that may be better than even our sun. (2020-10-05)

Venus might be habitable today, if not for Jupiter
Venus might not be a sweltering, waterless hellscape today, if Jupiter hadn't altered its orbit around the sun, according to new UC Riverside research. (2020-09-30)

Second alignment plane of solar system discovered
A study of comet motions indicates that the Solar System has a second alignment plane. Analytical investigation of the orbits of long-period comets shows that the aphelia of the comets, the point where they are farthest from the Sun, tend to fall close to either the well-known ecliptic plane where the planets reside or a newly discovered 'empty ecliptic.' This has important implications for models of how comets originally formed in the Solar System. (2020-09-29)

Geoscience: Cosmic diamonds formed during gigantic planetary collisions
Geoscientists from Goethe University have found the largest extraterrestrial diamonds ever discovered - a few tenths of a millimetre in size nevertheless - inside meteorites. Together with an international team of researchers, they have now been able to prove that these diamonds formed in the early period of our solar system when minor planets collided together or with large asteroids. These new data disprove the theory that they originated deep inside planets - similar to diamonds formed on Earth - at least the size of Mercury (PNAS). (2020-09-29)

Planet collision simulations give clues to atmospheric loss from Moon's origin
Earth could have lost anywhere between ten and 60 per cent of its atmosphere in the collision that is thought to have formed the Moon. (2020-09-29)

First study with CHEOPS data describes one of the most extreme planets in the universe
CHEOPS keeps its promise: Observations with the space telescope reveal details of the exoplanet WASP-189b - one of the most extreme planets known. CHEOPS is a joint mission by the European Space Agency (ESA) and Switzerland, under the aegis of the University of Bern in collaboration with the University of Geneva. (2020-09-28)

Remnants of an ancient asteroid shed new light on the early solar system
Researchers have shaken up a once accepted timeline for cataclysmic events in the early solar system. Geological and geochemical records indicate that the Earth-Moon system experienced a period of frequent and cataclysmic impacts from asteroids and other bodies. It was thought that this period had a relatively sudden onset, but the researchers have found evidence that this bombardment period may have started much earlier, and decreased in intensity over time. (2020-09-24)

Solving the strange storms on Jupiter
Geometric storm patterns on Jupiter's south pole have been a mystery to scientists, but Caltech researchers may have uncovered how they form. (2020-09-23)

Water on exoplanet cloud tops could be found with hi-tech instrumentation
University of Warwick astronomers have shown that water vapour can potentially be detected in the atmospheres of exoplanets by peering literally over the tops of their impenetrable clouds. (2020-09-22)

Water trapped in star dust
Dust particles in space are mixed with ice, as a research team from Friedrich Schiller University Jena and the Max Planck Institute for Astronomy has now proven in lab experiments. Furthermore, they observed ''trapped water'', which should thus also exist in space. (2020-09-22)

Astronomers discover an Earth-sized "pi planet" with a 3.14-day orbit
Scientists at MIT and elsewhere have discovered a ''pi Earth'' -- an Earth-sized planet that zips around its star every 3.14 days, in an orbit reminiscent of the universal mathematics constant. (2020-09-21)

Hubble captures crisp new portrait of Jupiter's storms
Hubble's sharp view is giving researchers an updated weather report on the monster planet's turbulent atmosphere, including a remarkable new storm brewing, and a cousin of the famous Great Red Spot region gearing up to change color -- again. (2020-09-17)

SwRI scientist searches for stellar phosphorus to find potentially habitable exoplanets
SAN ANTONIO -- Sept. 16, 2020 -- A Southwest Research Institute scientist has identified stellar phosphorus as a probable marker in narrowing the search for life in the cosmos. She has developed techniques to identify stars likely to host exoplanets, based on the composition of stars known to have planets, and proposes that upcoming studies target stellar phosphorus to find systems with the greatest probability for hosting life as we know it. (2020-09-16)

Research reveals an enormous planet quickly orbiting a tiny, dying star
Thanks to a bevy of telescopes in space and on Earth -- and even a pair of amateur astronomers in Arizona -- a University of Wisconsin-Madison astronomer and his colleagues have discovered a Jupiter-sized planet orbiting at breakneck speed around a distant white dwarf star. (2020-09-16)

KU astronomer helps confirm first-ever planet found orbiting white dwarf
A University of Kansas astronomer played a key role on the team that today announced the first-ever discovery of a planet orbiting a white dwarf. The finding, published in Nature, shows the likely presence of a Jupiter-sized planet, named WD 1856 b, orbiting the smaller star remnant every 34 hours. (2020-09-16)

Can life survive a star's death? Webb telescope can reveal the answer
When stars like our sun die, all that remains is an exposed core - a white dwarf. A planet orbiting a white dwarf presents a promising opportunity to determine if life can survive the death of its star, according to Cornell University researchers. (2020-09-16)

HKU's Laboratory for Space Research member co-discovers first planet found around white dwarf star
An international team of astronomers led by the University of Wisconsin-Madison, including NASA co-authors, and Thomas G. KAYE from HKU's Laboratory for Space Research (LSR), and the Raemor Vista Observatory, has reported what may be the first example of an intact planet closely orbiting a white dwarf, a dense leftover of a Sun-like star that is only 40% bigger than Earth. The team has recently published their findings in Nature. (2020-09-16)

From star to solar system: How protoplanetary rings form in primordial gas clouds
The star HL Tauri is glowing at the center of a system of concentric rings made from gas and dust and producing planets, one for each gap in the ring. Its discovery has shaken solar system origin theories to their core. Mayer Humi, a scientist from the Worcester Polytechnic Institute, believes it provides an apt study target for theories about protoplanetary rings around stars. The research is published in the Journal of Mathematical Physics. (2020-09-15)

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