Martian snow is dusty and could potentially melt, new study finds

[ad_1] Dusty snow unearthed by NASA’s Phoenix Mars Lander, inches below the surface. The blue box represents ice and the red box represents the ground. Credit: NASA / JPL-Caltech / University of Arizona / Texas A&M University. Over the past two decades, scientists have found ice in many places on Mars. Most of the Martian … Read more

What is multiverse theory? | Live Science

[ad_1] The multiverse theory suggests that our universe, with its hundreds of billions of galaxies and nearly countless stars, spanning tens of billions of light years, may not be alone. Instead, there may be an entirely different universe, distant from ours – and another, and another. Indeed, there can be an infinity of universes, all … Read more

New radio image of Andromeda galaxy is most detailed ever captured

[ad_1] Radio image of the Andromeda galaxy at 6.6 GHz (inset), captured using the Sardinian radio telescope in Italy. Credit: S. Fatigoni et al (2021) Galaxy disk identified as the region where new stars are born. Scientists have released a new detailed radio image of the Andromeda galaxy – the Milky Waythe sister galaxy of, … Read more

Astronaut medical issue forces NASA to cancel spacewalk at space station

[ad_1] NASA has canceled plans for a spacewalk outside the International Space Station this week due to a medical issue with one of the astronauts scheduled to join the excursion, people said. agency officials Monday 23 August. A “minor medical issue” involving NASA astronaut Mark Vande Hei is the reason for the postponement of the … Read more

The five most impressive geological structures in the solar system

[ad_1] When we talk about amazing geological features, we often limit ourselves to those of the Earth. But as a geologist, I think it’s crazy – there are so many structures on other worlds that can excite and inspire, and that can put processes on our own planet into perspective. Here are, in no particular … Read more

Study: ants create stable tunnels in nests, much like humans play Jenga

[ad_1] Enlarge / Two ants dig tunnels in green frost. A new study from Caltech has found that ants seek out and remove loose grains of soil when they dig their tunnels, much like humans remove loose blocks while playing. Jenga. Ants are prodigious diggers, building elaborate nests with several layers connected by an intricate … Read more

Volcanoes have acted as a safety valve for Earth’s long-term climate

[ad_1] Continental volcanic arcs like that of Kamchatka, Russia, are rapidly altered, causing CO2 to be removed from the atmosphere over geological time. Credit: Tom Gernon, University of Southampton Scientists at the University of Southampton found that vast chains of volcanoes were responsible for both the emission and then removal of atmospheric carbon dioxide (CO2) … Read more