Planetary Geology

The Unique Perspective: Astronauts Photographing Earth from Space

For nearly six decades, astronauts have been gazing down at our planet from the vantage point of space. What they see and capture through their lenses is not just beautiful imagery; it's a valuable scientific record and a source of profound inspiration.The Continuous RecordSince November 2000, when the International Space Station (ISS) became a...

James Webb’s Discovery: Milky Way’s Heart Revealed

The NIRCam (Near-Infrared Camera) tool aboard NASA's James Webb Space Telescope presents a fresh perspective on a segment of the Milky Way's dense core. Approximately 500,000 stars illuminate the Sagittarius C (Sgr C) region in this image, featuring some yet-to-be-identified elements. In cyan, a substantial area of ionized hydrogen reveals fascinating needle-like formations that...

Powerful Solar Flare Bursts From Sun

NASA’s Solar Dynamics Observatory captured this image of a solar flare – as seen in the bright flash on the left picture– on Jan. 5, 2023. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares and which is colorized in AIA 171 orange. Credit: NASA/SDOThe sun...

Giant Mantle Plume Reveals Mars is More Active Than Previously Thought

Planet Mars illustration . Credit: © revers_jr / stock.adobe.comOn Earth, shifting tectonic plates reshuffle the planet's surface and make for a dynamic interior, so the lack of such processes on Mars led several to think of it as a dead planet where not much occurred in the past 3 billion years.In the present problem...

In A First, Investigators Found An Uncommon Mineral That Comes Straight From Earth’s Lower Mantle

This is "the first moment that lower mantle minerals have ever been observed in nature."DavemaoiteScientist claim they have found an uncommon mineral that comes straight from Planet's lower mantle- the local between the planet's core and crust - in a recent investigation publicized in Science.The discovery is a wonder because no body has or...

Geologists Shed Recent Light On How Continents May Have Been Formed

Credit: CC0 Public DomainAn international research group has discovered that the 1st continents were not stable and also were recycled inside the Earth, in the mantle.The research, released today in the Proceedings of the National Academy of Sciences (PNAS), is significant because it provides essential clues on how planets formed."The rocks in the core...

The Model Identifies Glaciers Risking Collapse Because of Climate Change

A swimming pool of meltwater in a crevasse in an Alaskan glacier. Credit: Earth.As environment adjustment warms the world. Glaciers are thawing much faster, as well as scientists fear that many will fall down by the end of the century. considerably elevating sea level and also swamping coastal cities and island countries.At a University...

Good News: Deadly Asteroid is Not Going to Hit Earth

A deadly asteroidA new Phys.org report released on February 25 could have been the plot of 2021's "Don't Look Up," a Netflix original about a potentially deadly asteroid that threatens to strike Earth. However, the good news is it was simply a close call.According to the website, the first observations of an asteroid called...

Space Hubble Captures Swirling Galactic Trio

Credit: ESA/Hubble & NASA, W. Keel, Dark Energy Survey, Department of Energy, Fermilab, Dark Energy Survey Camera, (DECam), Cerro Tololo Inter-American Observatory, NoirLab/National Science Foundation/AURA, Sloan Digital Sky Survey; Acknowledgment: J. SchmidtThe Swirling Galactic TrioThe mass of dust and brilliant swirls of stars in this picture are the far-off galaxy merger IC 2431, which...

Did Civilization Rise Because of a Comet Impact?

Credit: Vladislav TchakarovHuman beings unexpectedly changed around 13,000 years ago. Hunter-gatherer societies began to transform their lifestyle quickly. They began to construct permanent settlements and focused their efforts on farming. The earliest man-made megalithic structures around were also constructed around this period. Was a comet collision the reason behind this fast advancement of human...