[ad_1] The record asteroid 2020 HQ will not soon forget its confrontation with Earth. Early Sunday morning (August 16), the car-sized 2020 HQ zoomed in just 1,830 miles (2,950 kilometers) above the Indian Ocean, which nearest known flyover by an asteroid that did not end up hitting our planet. Although 2020 HQ survived the encounter, … Read more
[ad_1] In 1604, a white dwarf star became a supernova. This is completely normal behavior for a white dwarf star; but this one, at a distance of only 20,000 light years from Earth, was visible to the naked eye and documented by astronomers around the world, including German astronomer Johannes Kepler. Kepler’s Supernova, as it … Read more
[ad_1] Enlarge the image. | Sand dunes and ripples in Proctor Crater on Mars, seen by the Mars Reconnaissance Orbiter on February 9, 2009. Image via NASA / JPL-Caltech / Univ. from Arizona. Mars is a dry desert world, covered with reddish sand. During our lifetimes, spaceships have revealed its incredible landscapes and spectacular landscapes. … Read more
[ad_1] Slingshot spider launches 100 times faster than cheetah by creating springs in its web – and experts say design could improve robots Launching from a spring-like web, the acrobatic arachnid reaches speeds of 4,300 square feet per second Barely 1/25 of an inch high, it can knock down much larger flies and mosquitoes He … Read more
[ad_1] CEO Elon Musk reiterated that SpaceX is still pursuing an important rocket reuse milestone that it initially set for the company several years ago and revealed that its Falcon rockets could ultimately fly way beyond. Musk has been talking publicly about reusable rockets for over a decade, but the first hard numbers related to … Read more
[ad_1] Scientists have discovered a rare final meal in the womb of a mummified puppy. The dog is believed to be 14,400 (+ or -) years old and was discovered in the frozen soil of Siberia almost 10 years ago. Inside the ancient puppy’s stomach were the well-preserved remains of another animal, which scientists originally … Read more
[ad_1] A gigantic fleet of floating rocks, spewed out of an underwater volcano in the Pacific Ocean, floated through the waves for thousands of kilometers. Eventually, he made it all the way to Australia, then started a new project: revitalizing the world’s largest (and critically endangered) coral reef system. This chain of unlikely events might … Read more
[ad_1] A supergiant who collapses on herself and explodes with such force that she releases more energy … [+] than millions of suns. (Photo by: QAI Publishing / Universal Images Group via Getty Images) Universal Images Group via Getty Images Do you remember the “great gradation of Betelgeuse?” A bright red super giant star in … Read more
[ad_1] Researchers find urinals and toilets can spread COVID-19, further supporting Fortune mask wear Flushing public urinals can spread COVID-19, New York Post study finds Do you use a public toilet? Hide! Phys.org Flushing Urinals Can Spread COVID-19, Yahoo Lifestyle Study Finds Urinal flushing pushes coronavirus skyward New York Daily News View full coverage on … Read more
[ad_1] By Joel GoldbergAugust 19 February 2020 at 10h00 Related story There are treasures buried underground, like gold, silver, and diamonds – and then there is manna from heaven. Last year, a meteorite impact in Costa Rica sparked a frantic hunt for precious fragments and attracted collectors from around the world. The meteorite – a … Read more