Tag Archive for 'Hydrogen'

This Hubble image shows NGC 3059, a barred spiral galaxy some 57 million light-years away in the constellation of Carina. Image credit: NASA / ESA / Hubble / D. Thilker.

Hubble Looks at Face-On Barred Spiral Galaxy

Jun 3, 2024 by Enrico de Lazaro

This new image from the NASA/ESA Hubble Space Telescope features NGC 3059, a barred spiral galaxy in the constellation Carina. This Hubble image shows...

This VLT image shows Gum 46, a nebula located 5,500 light-years away in the constellation of Crux. Image credit: ESO.

Very Large Telescope Spots Pink Nebula: Gum 46

May 13, 2024 by Enrico de Lazaro

Astronomers using ESO’s Very Large Telescope (VLT) have produced this beautiful image of the gas cloud Gum 46. This VLT image shows Gum 46, a nebula...

Venus today is dry thanks to water loss to space as atomic hydrogen. Image credit: Aurore Simonnet / Laboratory for Atmospheric and Space Physics / University of Colorado at Boulder.

New Study Explains Why Venus is Extremely Dry

May 7, 2024 by News Staff

Despite its Earth-like size and source material, Venus is extremely dry, indicating near-total water loss to space. Using computer simulations, planetary...

This Webb image shows NGC 6440, a globular cluster located 27,625 light-years away in the constellation of Sagittarius. Image credit: NASA / ESA / CSA / Webb / P. Freire / M. Cadelano / C. Pallanca.

Webb Explores Stellar Population of NGC 6440

May 1, 2024 by Enrico de Lazaro

NGC 6440 is a typical massive, obscured and contaminated globular cluster formed and orbiting within the bulge of our Milky Way Galaxy. This Webb image...

Watts et al. mapped out the chemical composition and motion of NGC 4383’s outflow in great detail, providing insights into the mechanisms that created the dramatic outpour seen in this image from ESO’s Very Large Telescope. Image credit: ESO / Watts et al.

Astronomers Detect Enormous Bipolar Outflow from NGC 4383

Apr 23, 2024 by News Staff

Large amounts of stars are being born at the center of NGC 4383, a peculiar galaxy located 74 million light-years away in the constellation of Coma Berenices....

Schematic view of planetary material escaping through Venus magnetosheath flank; the red line and arrow show the region and direction of observations by BepiColombo when the escaping ions (C+, O+, H+) were observed. Image credit: Thibaut Roger / Europlanet 2024 RI / Hadid et al.

BepiColombo Detects Oxygen and Carbon Ions in Magnetosphere of Venus

Apr 15, 2024 by Natali Anderson

In August 2021, the ESA/JAXA Mercury-bound BepiColombo spacecraft performed its second flyby of Venus and provided a short-lived observation of its induced...

Messier 82 was observed by the NASA/ESA Hubble Space Telescope in 2006, which showed the galaxy’s edge-on spiral disk, shredded clouds, and hot hydrogen gas. The NASA/ESA/CSA James Webb Space Telescope observed the core of Messier 82, capturing in unprecedented detail the structure of the galactic wind and characterizing individual stars and star clusters. Image credit: NASA / ESA / CSA / Hubble / Webb / STScI / A. Bolatto, UMD.

Webb Observes Hidden Depths of Messier 82

Apr 3, 2024 by Enrico de Lazaro

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have captured a new image of the central starburst region of Messier 82 (M82, NGC 3034 or...

This illustration shows charged particles from Jupiter impacting Europa’s surface, splitting frozen water molecules into oxygen and hydrogen molecules; scientists believe some of these newly created oxygen gases could migrate toward the moon’s subsurface ocean, as depicted in the inset image. Image credit: NASA / JPL-Caltech / SWRI / PU.

Europa Produces Less Oxygen than Previously Thought

Mar 4, 2024 by News Staff

Using data from the Jovian Auroral Distributions Experiment (JADE) instrument onboard NASA’s Juno spacecraft, planetary scientists have calculated the...

An artist’s conception of the clouds flowing out from the center of the Milky Way, entrained in a very hot wind that has accelerated them to velocities of many hundreds of km per second. Image credit: NSF / GBO / P. Vosteen.

Astronomers Spot Hundreds of Massive Gas Clouds Escaping Milky Way’s Center

Feb 20, 2024 by News Staff

Using new 21-cm radio observations made with NSF’s Green Bank Telescope, astronomers have discovered over 250 neutral gaseous clouds being blasted out...

Glein et al. found evidence for hydrothermal or metamorphic activity deep within the icy dwarf planets Eris and Makemake. Image credit: Southwest Research Institute.

Webb Finds Evidence of Hydrothermal Processes in Interiors of Eris and Makemake

Feb 15, 2024 by News Staff

The icy dwarf planets Eris and Makemake have surfaces bearing methane ice of unknown origin. According to an analysis of data from the NASA/ESA/CSA James...

This Hubble image shows N79, a star-forming region located 163,000 light-years away in the constellation of Dorado. Image credit: NASA / ESA / CSA / Webb / M. Meixner.

Webb Looks at Massive Star-Forming Complex in Large Magellanic Cloud

Jan 23, 2024 by News Staff

Using the Mid-InfraRed Instrument (MIRI) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have captured a spectacular image of N79, a region...

Kim et al. suggest that chemical exchange between the core and mantle over gigayears of deep transport of water may have contributed to the formation of the putative E’ layer. Image credit: Yonsei University.

Surface Water Penetrates Deep into Earth, New Research Suggests

Nov 14, 2023 by News Staff

A few decades ago, seismologists identified a thin layer with a lower velocity in Earth’s metallic liquid core. The origin of this layer, known as the...

An artistic representation of how Uranus’ northern infrared aurora (marked in red) would have looked like in 2006. Image credit: NASA / ESA / M. Showalter, SETI Institute / Hubble Space Telescope.

Infrared Aurora Detected on Uranus

Oct 27, 2023 by News Staff

While the ultraviolet aurora of Uranus has been observed since 1986, no confirmation of the infrared aurora had been observed until now. An artistic representation...

An artist’s impression of the K2-18 planetary system. Image credit: NASA / ESA / CSA / J. Olmsted, STScI / N. Madhusudhan, University of Cambridge.

Astronomers Detect Carbon Dioxide and Methane in Super-Earth’s Atmosphere

Sep 11, 2023 by Natali Anderson

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered carbon dioxide and methane in the atmosphere of the habitable zone exoplanet...

Astronomers Detect Emission from Outskirts of Supermassive Black Hole’s Accretion Disk

Aug 28, 2023 by Enrico de Lazaro

Active galactic nuclei are primarily powered by a supermassive black hole lying at the center of a host galaxy that is accreting matter from its vicinity....

This artist’s illustration shows the Neptune-sized exoplanet AU Mic b passing in front of its host red dwarf star. Image credit: NASA / ESA / Joseph Olmsted, STScI.

Young Neptune-Sized Exoplanet Sporadically Burps Hydrogen as It Circles Its Parent Star

Jul 31, 2023 by Enrico de Lazaro

A process called photoevaporation is a potential explanation for several features within exoplanet demographics. Atmospheric escape observed in young Neptune-sized...

A spectroscopic map of Ganymede derived from Webb measurements shows light absorption around the poles characteristic of hydrogen peroxide; the circle outlines the surfaces of the moon. Image credit: Samantha Trumbo, Cornell University.

Webb Detects Hydrogen Peroxide on Ganymede

Jul 30, 2023 by News Staff

Jupiter’s moon Ganymede is the only satellite in the Solar System known to have an intrinsic magnetic field. Interactions between this field and the...

An artist’s impression of the two-faced white dwarf ZTF J203349.8+322901.1. Image credit: K. Miller, Caltech / IPAC.

Newfound White Dwarf Has Different Compositions on Its Opposite Faces

Jul 19, 2023 by News Staff

ZTF J203349.8+322901.1, nicknamed Janus after the two-faced Roman god of transition, is a transitioning white dwarf with two faces: one side of its atmosphere...

An artist’s impression of the Hadean Earth: huge, impact-generated lava lakes coexisted with surface liquid water, under a thick greenhouse atmosphere sustained by lava outgassing. Image credit: Simone Marchi & Dan Durda, Southwest Research Institute.

Iron-Rich Meteoritic and Volcanic Particles May Have Promoted Origin of Life Reactions on Early Earth

May 26, 2023 by Enrico de Lazaro

Precursors of the molecules needed for the origin of life may have been generated by chemical reactions promoted by meteoritic and volcanic particles approximately...

This composite image shows the Saturn Lyman-alpha bulge, an emission from hydrogen which is a persistent and unexpected excess detected by NASA’s Voyager 1 spacecraft, NASA’s Cassini probe, and the NASA/ESA Hubble Space Telescope between 1980 and 2017. Image credit: NASA / ESA / Lotfi Ben-Jaffel, IAP & LPL.

Saturn’s Rings are Heating Gas Giant’s Upper Atmosphere, Astronomers Say

Mar 30, 2023 by News Staff

The most feasible explanation is that icy ring particles raining down onto Saturn’s atmosphere cause this heating, according to a team of astronomers...

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