Tag Archive for 'Carbon'

An artist’s impression of a thermonuclear supernova: the material ejected by the supernova will initially expand very rapidly, but then gradually slow down, forming an intricate giant bubble of hot glowing gas; eventually, the charred remains of the white dwarf that exploded will overtake these gaseous layers, and speed out onto its journey across our Milky Way Galaxy. Image credit: Mark Garlick / University of Warwick.

Thermonuclear Supernova Ejects White Dwarf from Binary System

Jul 15, 2020 by News Staff

A white dwarf star called SDSS J124043.01+671034.68 (SDSS J1240+6710) is traveling at 900,000 km/h (559,234 mph) through our Milky Way Galaxy. It also...

The wood-based hierarchical solar steam generator: CNT - carbon nanotubes, BC - bacterial cellulose, GB - glass bubbles. Image credit: Guan et al, doi: 10.1021/acs.nanolett.0c01088.

New Device Harnesses Solar Energy to Purify Water

Jul 8, 2020 by News Staff

A team of scientists at the University of Science and Technology of China has developed an efficient and sustainable hierarchical steam generator that,...

An artist’s impression of a pair of orbiting white dwarfs, ZTF J153932.16+502738.8. Image credit: Caltech / IPAC.

White Dwarfs are Primary Source of Carbon in Milky Way, Astronomers Say

Jul 7, 2020 by News Staff

Astronomers have analyzed a few carbon-oxygen white dwarfs in Milky Way’s old open clusters, and their findings help shed new light on the origin of...

The discovery of a spike of mercury in 252-million-year-old rock at locations around the world gives evidence for the prevailing theory that volcanic eruptions caused the end-Permian extinction. Image credit: Margaret Weiner / University of Cincinnati Creative Services.

Coal-Burning Contributed to End-Permian Mass Extinction

Jun 23, 2020 by News Staff

An international team of geologists has found the first direct evidence that volcanic eruptions in the southern part of the Siberian Traps region 252 million...

With wall thicknesses of about 160 nm, a closed-cell, plate-based nanolattice structure is the first experimental verification that such arrangements reach the theorized limits of strength and stiffness in porous materials. Image credit: Cameron Crook & Jens Bauer, University of California, Irvine.

Newly-Developed Carbon Nanolattices are Stronger than Diamonds

Apr 14, 2020 by News Staff

An international team of scientists has created carbon nanolattices — constructed from closed-cell plate-architectures — that are stronger...

An artist’s impression of two white dwarfs in the process of merging; depending on the combined mass, the system may explode in a thermonuclear supernova, or coalesce into a single heavy white dwarf, as with WD J0551+4135. Image credit: Mark Garlick / University of Warwick.

Astronomers Spot Ultra-Massive White Dwarf with Unique Atmosphere

Mar 3, 2020 by News Staff

Astronomers have discovered an ultra-massive white dwarf with a unique carbon-hydrogen mixed atmosphere. Named WD J055134.612+413531.09 (WD J0551+4135...

This image shows the ancient dwarf star J0815+4729 (center). Image credit: Centre de Données astronomiques de Strasbourg / SIMBAD / SDSS.

Astronomers Find Huge Amount of Oxygen in Ancient Dwarf Star

Jan 24, 2020 by News Staff

Using high-resolution spectroscopic observations from the High-Resolution Echelle Spectrometer (HIRES) on the 10-m Keck I telescope at the W. M. Keck Observatory,...

This is an artist impression of the protoplanetary disk around HD 107146. Image credit: A. Angelich / NRAO / AUI / NSF.

New Study Sheds Light on Solar System’s Great Divide

Jan 14, 2020 by News Staff

A new study, published in the journal Nature Astronomy, suggests that our young Solar System’s protoplanetary disk was divided into two regions: on the...

An artist’s impression of the gas-rich debris disk around 49 Ceti. Image credit: NAOJ.

ALMA Finds Rare Carbon Isotope in 49 Ceti’s Debris Disk

Dec 24, 2019 by Enrico de Lazaro

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have detected radio emission from two carbon isotopes (12C and 13C) in a huge...

An artist’s impression of a carbon halo around a young star-forming galaxy. Image credit: National Astronomical Observatory of Japan.

ALMA Spots Carbon Halos around Early Star-Forming Galaxies

Dec 17, 2019 by Enrico de Lazaro

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have spotted huge clouds of carbon gas around several young starburst galaxies...

This illustration shows a gas giant exoplanet orbiting its parent star. Image credit: NASA / ESA / STScI / L. Calcada.

Study Finds No Clear Correlation between Compositions of Giant Exoplanets and Their Host Stars

Dec 4, 2019 by News Staff

There isn’t a strong correlation between gas giant and host star compositions when it comes to elements heavier than hydrogen and helium, according to...

Rasmussen & Muhling show that the infiltration of liquid hydrocarbons was responsible for the formation of these filamentous microfossils from the Red Dog Zn-Pb-Ag massive sulfide deposit in the western Brooks Range, northern Alaska, the United States. Image credit: Rasmussen & Muhling, doi: 10.1130/G46346.1.

New Type of Fossilization Discovered

Nov 5, 2019 by News Staff

A previously unrecognized mode of fossilization of ancient microbes may explain how some of Earth’s oldest microfossils formed, according to new research. Rasmussen...

This composite image, obtained by the Gemini North Multi-Object Spectrograph on the 8.2-m Gemini North telescope, shows the interstellar comet C/2019 Q4. Image credit: Gemini Observatory / NSF / AURA / Travis Rector.

Diatomic Carbon Detected in Interstellar Comet 2I/Borisov

Oct 13, 2019 by Sergio Prostak

Astronomers have detected the emission from the small carbon chains C2 in the coma of 2I/Borisov, the first known interstellar comet to visit our Solar...

Scanning electron microscopy image (colorized) showing edscottite in the polished Wedderburn section from the UCLA Meteorite Collection. Image credit: Ma & Rubin, doi: 10.2138/am-2019-7102.

Edscottite: Mineral ‘Never Seen in Nature’ Discovered inside Meteorite

Sep 7, 2019 by Sergio Prostak

A meteorite found in Australia — called the Wedderburn iron meteorite because of where it was found — contains edscottite, an iron-carbide...

Cyclo[18]carbon. Image credit: Kaiser et al.

Cyclocarbon: New Form of Carbon Synthesized

Aug 16, 2019 by News Staff

A team of researchers from the University of Oxford and IBM Research-Zürich has, for the first time, synthesized and characterized a ring of 18 carbon...

The lattice structure of diamond contains a nitrogen-vacancy center with surrounding carbon nuclear spins; the carbon isotope 13C (green) is first entangled with an electron (blue) in the vacancy, which then wait for a photon (red) to absorb, resulting in quantum teleportation-based state transfer of the photon into the carbon memory. Image credit: Tsurumoto et al, doi: 10.1038/s42005-019-0158-0.

Physicists Teleport Quantum Information inside Diamond

Jul 4, 2019 by News Staff

A team of physicists at the Yokohama National University, Japan, has successfully demonstrated quantum teleportation — the remote exchange of quantum...

An artist’s concept depicting the presence of buckyballs in space. Image credit: NASA / JPL-Caltech.

Astronomers Find Ionized Buckyballs in Interstellar Medium

Jun 27, 2019 by News Staff

Astronomers using the NASA/ESA Hubble Space Telescope have confirmed the presence of ionized (electrically-charged) buckminsterfullerene in the interstellar...

Zhang et al studied catalytic pyrolysis of waste plastics over activated carbon catalyst. Image credit: Zhang et al, doi: 10.1016/j.apenergy.2019.113337.

Scientists Find Way to Turn Waste Plastics into Jet Fuel-Range Hydrocarbons

Jun 4, 2019 by News Staff

In experiments described in the journal Applied Energy, a team of researchers from China and the U.S. melted plastic waste at high temperature with activated...

Backscattered electron images of experimental charges. Locations of images (A) to (D) from sediment-peridotite reaction experiments are schematically shown in capsule on the left. (A, C, and D) - reaction experiments at 5 GPa/1000 degrees Celsius with superimposed energy-dispersive x-ray maps of chlorine [green in (C) and (D)]. The sediment half of two-layer experiments recrystallized to garnet and clinopyroxene (Cpx), whereas orthopyroxene (Opx), magnesite (Mgs), and Na-K chlorides formed at the leading edge of the reaction zone against the peridotite. (B) - peridotite layer in the reaction experiment at 3 GPa/900 degrees Celsius contained phlogopite (Phl) behind the magnesite plus orthopyroxene zone, and Na-K chlorides were absent. (E and F) - sediment melting experiment (no peridotite included) at 4 GPa/1000 degrees Celsius showing silicate melt (E) in equilibrium with garnet (Gt), coesite (Coe), and Mg calcite (Mg-Cc) shown in (F). Scale bars - 100 μm (A and B) and 20 μm (C to F). Image credit: Förster et al, doi: 10.1126/sciadv.aau2620.

Study: Salts Trapped inside Fibrous Diamonds Came from Ancient Seabeds

May 31, 2019 by News Staff

So-called fibrous diamonds, which are cloudy and less appealing to jewelers — and less often, gem-quality diamonds — trap and preserve fluids...

After studying thousands of rocks samples dating at least 2.5 billion years old, Kamber & Tomlinson determined the Earth’s upper mantle was much cooler than previously thought. Image credit: NASA / JPL-Caltech.

Geologists Offer New Theory about Earth’s Thermal Evolution

Mar 26, 2019 by News Staff

A new theory on the thermal evolution of Earth explains why the planet’s upper mantle was cool enough to produce diamonds in the Archean Eon between...

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