A bout this time next year, a small robotic spider may be taking its first tentative steps on the Moon. It’s not exactly The Spiders From Mars, but the late David Bowie will have played a part in getting it there.
Pavlo Tanasyuk, CEO and founder of the British company Spacebit, remembers once listening to David Bowie’s The Rise And Fall Of Ziggy Stardust And The Spiders From Mars and wondering about one-day building rovers with legs rather than wheels. The idea lay dormant until Tanasyuk was visiting a friend at the Japan Aerospace Agency (JAXA), and mentioned his long-held idea of a spider robot on Mars or the Moon. The friend responded immediately with the Japanese proverb of the asagumo, the morning spider who brings fortune. “That’s when it clicked and I decided that we actually should be doing this rover,” says Tanasyuk.
He incorporated the UK company Spacebar to begin developing the asagumo spider robot. The launch is now scheduled for July 2021, onboard the Peregrine lander that has been developed by the private American company Astrobotic. Peregrine will be flown on a Vulcan Centaur rocket, and if all goes to plan, asagumo will be the UK’s first lunar lander.
Walking on the Moon is tricky because of the regolith, which is the layer of rock fragments and dust that covers the lunar surface. For a walking rover, the dangers are two-fold. First, the legs can sink into this layer, impeding the movement. Second, the dust and fragments can get into the articulated parts of the legs and the motors, causing them to cease up.
Denne historien er fra Summer 2020-utgaven av BBC Focus - Science & Technology.
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Denne historien er fra Summer 2020-utgaven av BBC Focus - Science & Technology.
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COULD MARINE CLOUD BRIGHTENING HELP US FIGHT CLIMATE CHANGE?
The theory behind marine cloud brightening is that brighter or whiter clouds reflect more sunlight back into space.
IS IT SAFE TO RUN EVERY DAY, OR SHOULD I DITCH MY RUN STREAK TO SAVE MY KNEES?
A running streak, where you run every day without taking rest days, can be highly motivating and beneficial for overall fitness. Running is great cardiovascular exercise and isn't to be discouraged (and finding a routine with some consistency is great). Getting a bit of exercise as often as possible is also hugely beneficial for your mental health.
WHAT MAKES THE MEDITERRANEAN DIET SO GOOD FOR US?
The Mediterranean diet may help you live longer, especially if you also adopt the lifestyle of people living near the Med during the 1950s.
WHAT IS MEXICO'S BLUE HOLE?
The world's deepest blue hole (marine sinkhole) lies off the coast of Mexico's Yucatán Peninsula. It's at least 420m (1,378ft) deep, but explorers still haven't found its bottom.
HOW CAN I TELL IF I'VE GOT HIGH CORTISOL LEVELS?
Cortisol is a hormone produced by glands in our bodies called the adrenal glands, which sit above the kidneys. It plays a critical role in various bodily functions, including regulating metabolism, reducing inflammation and helping the body respond to stress. While essential for our health, chronic elevation of cortisol levels can lead to several issues.
THE LUNGFISH
In 1836, European scientists discovered a peculiar animal from the River Amazon that they struggled to identify. Its eel-like body was a few feet long and its air-filled lungs persuaded anatomists it must be a reptile.
ARE WE THE ONLY SPECIES TO HAVE BEEN THROUGH A STONE AGE?
The Stone Age might conjure up images of early humans, sitting around a campfire or hunting prehistoric beasts, but evidence shows that we're not the only species that has learned how to work with stone tools. Wild chimpanzees (Pan troglodytes) use stone tools to crack open nuts.
Should we scrap daylight saving time?
Most of us look forward to the extra hour we get in bed every October, but researchers argue that changing the clocks twice a year harms our health
THE INTERNET OF ANIMALS
SCIENTISTS ARE USING ELECTRONIC TAGS AND SATELLITES TO TRACK WILD ANIMALS AND CREATE A DATA NETWORK THAT COULD HELP US ADDRESS THE BIODIVERSITY CRISIS
MUSIC FOR A DISTRACTED GENERATION
The number of things competing for our attention is often overwhelming. Can dreamy soundscapes created with neuroscience help our bewildered brains to concentrate?
