Tag Archive for 'Solar System'

Inexpensive and easy to build, data collecting balloons capture infrasound signals in the Earth’s stratosphere. Image credit: NASA.

Enigmatic Infrasound Signals Detected in Earth’s Stratosphere

May 12, 2023 by News Staff

Low frequency sounds can travel vast distances across our planet, carrying information about the events that generated them as well as the medium through...

Castillo-Rogez et al. show that there likely is an ocean layer in four of Uranus’ major moons: Ariel, Umbriel, Titania, and Oberon; salty -- or briny -- oceans lie under the ice and atop layers of water-rich rock and dry rock; Miranda is too small to retain enough heat for an ocean layer. Image credit: NASA / JPL-Caltech.

Four Uranian Moons Host Subsurface Oceans, New Research Suggests

May 5, 2023 by News Staff

The five large moons of Uranus — Miranda, Ariel, Umbriel, Titania, and Oberon — are important targets for future spacecraft missions. Studying...

Zhang et al used artificial intelligence to search through radio signals recorded from FRB 121102. Image credit: Breakthrough Listen Initiative.

Study: Earth’s Mobile Tower Leakage Could Not Be Detected by Nearby Earth-Like Civilizations

May 3, 2023 by Enrico de Lazaro

Mobile communication towers represent a relatively new but growing contributor to the total radio-leakage associated with planet Earth. In new research,...

An artist’s impression of the early Earth. Image credit: NASA.

Energetic Particles from Young Sun May Have Kickstarted Life on Early Earth

May 2, 2023 by News Staff

Life most likely started during the Hadean Eon (4.5 to 4 billion years ago). However, the environmental conditions which contributed to the complexity...

The Monolith of the Stone of the Sun, also known as the Aztec calendar stone, in the National Museum of Anthropology and History, Mexico City, Mexico. Image credit: El Comandante / CC BY-SA 3.0.

Scholars May Have Finally Deciphered Secrets of Maya 819-Day Calendar

May 1, 2023 by News Staff

Arguably the most enigmatic of the Maya calendar cycles, the 819-day count has challenged modern scholars for decades. Even today it is not completely...

This image of Shackleton crater was captured by NASA’s ShadowCam instrument aboard the Korea Pathfinder Lunar Orbiter. Image credit: NASA / KARI / ASU.

ShadowCam Captures Spectacular Photos of Moon’s South Polar Region

May 1, 2023 by News Staff

NASA’s ShadowCam instrument is flying with five other instruments aboard KARI’s Korea Pathfinder Lunar Orbiter (KPLO), also known as Danuri, which...

Gann et al. show that in principle it is possible to grow rice plants in MMS1 but levels of (Mg(ClO4)2) can be critical to both germination and growth; moreover, they presented that editing SnRK1a could potentially provide an approach to develop as table rice line that can germinate and grow in MMS1 with (Mg(ClO4)2). Image credit: Gann et al.

Genetically Modified Rice Could Actually Grow in Martian Regolith, New Study Suggests

Apr 27, 2023 by Enrico de Lazaro

One of the biggest challenges to growing food on Mars is the presence of perchlorate salts, which have been detected in the Martian regolith (soil) and...

This illustration depicts the asteroid Phaethon being heated by the Sun. Image credit: NASA / JPL-Caltech / IPAC.

Comet-Like Tail of Near-Earth Asteroid Phaethon is Not Made of Dust, Astronomers Say

Apr 25, 2023 by Enrico de Lazaro

New research shows that Phaethon’s comet-like activity cannot be explained by any kind of dust. This illustration depicts the asteroid Phaethon being...

This artist’s concept shows a cutaway of Mars, along with the paths of seismic waves from two separate marsquakes in 2021. Image credit: NASA / JPL-Caltech / University of Maryland.

InSight Detects Seismic Waves Traveling through Martian Liquid Core

Apr 25, 2023 by News Staff

Mars has a liquid iron alloy core at its center. Using seismic data gathered by NASA’s InSight lander, planetary scientists have made the first observations...

This image was taken by JUICE’s monitoring camera 1 (JMC1) at 14:42 CEST on April 14, 2023, following launch at 14:14 CEST. Image credit: ESA / JUICE / JMC / CC BY-SA 3.0 IGO.

ESA’s JUICE Spacecraft Sends Its First Images from Space

Apr 19, 2023 by News Staff

ESA’s Jupiter Icy Moons Explorer (JUICE) has taken its first monitoring camera images showing part of the spacecraft with our home planet as a stunning...

This view of Europa was captured by the JunoCam imager aboard NASA’s Juno spacecraft during the mission’s close flyby on September 29, 2022. Image credit: NASA / JPL-Caltech / SwRI / MSSS / Kevin M. Gill.

Local Tectonic Activity Could Cause Landslides on Icy Satellites of Jupiter and Saturn

Apr 17, 2023 by News Staff

Intense tectonism is evident on many outer solar system satellites — such as Ganymede, Europa, and Enceladus — with some surface regions showing...

JUICE lifted off on an Ariane 5 rocket from Europe’s Spaceport in French Guiana on April 14, 2023. Image credit: M. Pédoussaut / ESA.

ESA’s JUICE Spacecraft Launches to Study Jupiter’s Icy Moons

Apr 17, 2023 by News Staff

ESA’s latest interplanetary mission, the JUpiter ICy Moons Explorer (JUICE), lifted off on an Ariane 5 rocket from Europe’s Spaceport in French...

This Webb image shows Uranus and six of its 27 known moons (most of which are too small and faint to be seen in this short exposure). Image credit: NASA / ESA / CSA / STScI / J. DePasquale, STScI.

Webb Captures Stunning Images of Uranus and Its Moons

Apr 10, 2023 by News Staff

New images from the NASA/ESA/CSA James Webb Space Telescope show the ice giant Uranus, its faint rings and several moons. This image of Uranus, captured...

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...

This map shows shield volcanoes on Venus. Image credit: Rebecca Hahn, Washington University in St. Louis.

Venus is Home to At Least 85,000 Volcanoes, Planetary Researchers Say

Mar 30, 2023 by News Staff

There are many thousands of volcanoes on the surface of Venus. These volcanoes provide clues into the interior properties of the planet, properties that...

An artist’s concept of a Neptunian Trojan asteroid. Image credit: NASA / ESA / G. Bacon, STScI / C. Fuentes, Harvard-Smithsonian Center for Astrophysics.

Neptunian Trojan Asteroids Exist in Broad Spectrum of Red Color, Astronomers Find

Mar 29, 2023 by News Staff

Neptunian Trojans are trans-Neptunian objects in 1:1 mean-motion resonance with the ice giant Neptune. These asteroids are generally thought to have been...

If the Moon has enough water, and if it’s reasonably convenient to access, future explorers might be able to use it as drinking water or to convert it into hydrogen and oxygen for rocket fuel or oxygen to breathe. Image credit: NASA’s Goddard Space Flight Center.

Impact Glass Beads from the Moon Contain Solar Wind-Derived Water, Study Shows

Mar 29, 2023 by News Staff

Scientists from China and the United States have analyzed the impact glass beads from a lunar soil sample returned by China’s Chang’e-5 mission. Asteroid...

An artist’s impression of the surface of Jupiter’s icy moon Europa. Image credit: NASA / JPL-Caltech / SwRI.

Scientists Explain Why Jupiter’s and Saturn’s Icy Moons Have Extreme Radar Properties

Mar 23, 2023 by News Staff

The radar properties of icy satellites of Jupiter and Saturn commonly differ by more than an order of magnitude from those of rocky planets because of...

This artist’s impression shows ‘Oumuamua, the first interstellar object discovered in our Solar System. Recent observations show that the object is moving faster than predicted while leaving the Solar System. Astronomers assume that venting material from its surface due to solar heating is responsible for this behavior. This outgassing can be seen in this artist’s impression as a subtle cloud being ejected from the side of the object facing the Sun. Image credit: NASA / ESA / Hubble / ESO / M. Kornmesser.

Astronomers Offer New Explanation for Interstellar Object Oumuamua’s Unusual Acceleration

Mar 23, 2023 by News Staff

The previously unreconciled acceleration of 1I/2017 U1 ‘Oumuamua, a strange object of extrasolar origin discovered on October 19, 2017 by the Pan-STARRS...

Oba et al. report the detection of uracil, one of the four nucleobases in ribonucleic acid, in aqueous extracts from Ryugu samples. Image credit: NASA’s Goddard Space Flight Center / JAXA / Dan Gallagher.

Scientists Find Vitamin B3 and Uracil in Samples from Asteroid Ryugu

Mar 22, 2023 by News Staff

An international team of researchers has detected nicotinic acid (also known as vitamin B3 or niacin) and uracil, one of the four nucleobases in ribonucleic...

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