Desert temperatures can fluctuate greatly between day and night, due to the poor heat-retaining properties of sand and a lack of humidity. Source: https://www.livescience.com/why-do-deserts-get-cold-at-night.html
Tag: Deserts
Study of dune dynamics will help scientists understand the topography of Mars
Barchans are crescent-shaped sand dunes whose two horns face in the direction of the fluid flow. They appear in different environments, such as inside water pipes or on river beds, where they take the form of ten-centimeter ripples, and deserts, where they can exceed 100 meters, and the surface of Mars, where they can be a kilometer in length or more….
Clues to Mars life in Earth’s Atacama Desert
Researchers in the U.S. and Spain have discovered a plethora of previously unknown microbes living in wet clay layers below Chile’s arid Atacama Desert. The finding will help future rovers search for life on Mars. Source: https://earthsky.org/space/microbes-clay-atacama-desert-life-on-mars…
Billion-year-old Martian dunes reveal planet’s history
The discovery of near-perfectly preserved billion-year-old Martian dunes is helping scientists to unravel the geologic and climatic history of the red planet. Source: https://earthsky.org/space/billion-year-old-martian-dunes-reveal-planet-history…
A wall of trees is being built across Africa to hold back the desert
The Great Green Wall plan for an 8000-kilometre-long band of trees across Africa to hold back encroaching deserts and provide people with livelihoods has been embraced by 11 countries since its launch 13 years ago. Has it worked so far? Source: https://www.newscientist.com/article/2253784-a-wall-of-trees-is-being-built-across-africa-to-hold-back-the-desert/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
Massive stone structures in Saudi Arabia may be some of oldest monuments in the world
Mysterious stone structures that dot lava fields and deserts across Saudi Arabia may be some of the oldest monuments in the world, scientists say. Source: https://www.livescience.com/mysterious-stone-structures-saudi-arabia-oldest.html
Space dust fossils are providing a new window onto Earth’s past
To be a meteorite hunter means to search for the unutterably rare. On any given patch of land the size of Wales, an average of two olive-sized space rocks will fall in a year. Scientists and collectors are forced to go to extreme lengths to find them, searching in deserts and Antarctica where they have a chance of spotting the stones…
Locust Swarms Are Getting So Big That We Need Radar To Track Them
The desert locust upsurge is yet another of 2020’s horrors. From a report: In June, remote sensing analyst Raj Bhagat noticed a strange signal on India’s weather radar. It looked like a small band of rain near Delhi, moving southwest, but Bhagat was convinced it was a locust swarm. “People began to report it,” he says, referring to sightings on the…
Saharan-fed sunsets in the US
A massive Saharan dust plume is moving into the southeast US, bringing technicolor sunsets and suppressing tropical storms. Source: https://earthsky.org/earth/saharan-dust-cloud-us-sunsets-june2020…
151 Types of Flowers Common In The U.S. & Their Characteristics
Check out 151 Types of Flowers common in the US. This guide is great for picking and choosing your very own garden, or custom bouquet! Scroll through to find your perfect bloom. —This post is courtesy of Proflowers.com. (Original publish date January 18, 2016), Shared with permission— 151 Types of Flowers Common In The U.S. &…Continue Reading
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