Skip to main content

Watch a movie made by a robot—on the surface of an asteroid

[ad_1]


In 15 frames, the bright flare of the sun moves across a pitch-black sky, arcing above a rocky, boulder-strewn surface.


It was taken by Rover 1-B, one of two Japanese rovers currently hopping around on the surface of the asteroid Ryugu. The duo detached from the Hayabusa-2 spacecraft last week and quickly began sending back mesmerizing images of the asteroid’s stony surface.



The solar-powered rovers are small, just seven inches across and less than three inches tall, but they contain cameras and temperature sensors to give astronomers back home their best look so far at a C-type (carbon-rich) asteroid. The bots move autonomously, activating an internal motor that sends them just high enough to glide about 50 feet in 15 minutes. The hopping mechanism is carefully calibrated—Ryugu’s low gravity means that a more powerful jump could send them soaring straight off into space.



The Hayabusa-2 mission is just getting started. In October, it’s expected to release a much larger lander, which will also be able to right itself on the surface. This Mobile Asteroid Surface Scout (MASCOT) will collect soil samples at two locations and analyze them.



Things will get even more exciting next spring. Hayabusa-2 is also carrying a small explosive that will blast a six-foot-wide crater in the surface. The researchers don’t just want to see the fireworks—the mission will get beneath Ryugu’s surface to give us a glimpse inside the asteroid.



Hayabusa-2 will return to Earth with samples in 2020. And luckily, it's not the only asteroid-visiting robot currently floating around our solar system. Another mission, OSIRIS-REx is currently on the way to the asteroid Bennu, and will reach its destination later this year.




[ad_2]

Written By Mary Beth Griggs

Comments

Post a Comment

Popular posts from this blog

Ice technicians are the secret stars of the Winter Olympics

[ad_1] The emphasis of this year's two-week-long Winter Olympic Games has been placed squarely on the Olympians themselves. After all, the stated purpose of the international competition is to bring together the world’s greatest athletes in a nail-biting competition across fifteen different winter sports. But before the curlers, skiers, and skaters even arrived in Pyeongchang, South Korea, the Olympians of the ice technician world were already a few weeks deep in a competition of their own. Mark Callan of the World Curling Federation and Markus Aschauer of the International Bobsleigh and Skeleton Federation both say they’re hoping to make the best ice the Winter Olympics have ever seen. To transform the barren concrete jungle of existing tracks and arenas into an ice- and snow-covered wonderland is an enormous undertaking. And it takes a keen understanding of the physics and chemistry that keeps frozen precipitation pristine. Curling Callan has been making and maintaining ic...
Post a Comment
Read more

How to avoid the mid-movie bathroom break

[ad_1] Long movies and the urge to pee have been linked since the early days of cinema. Sixty-three years before Avengers: Endgame and its three-hour runtime, moviegoers settled in for nearly four hours of The Ten Commandments . “There will be an intermission,” director Cecil B. DeMille announced during the movie’s introduction. And audiences’ bladders were relieved. On average, movies aren’t getting longer, but they also don’t come with a predetermined bathroom break. That means when nature calls, you’ve got to either sit in growing discomfort or gamble on the best time to run to the restroom. But it doesn’t have to be this way, and for most people, setting your body to “do not disturb” is fairly simple. Go before the show The first piece of advice is also the easiest: pee before the movie starts. Generally, healthy adults urinate every 3-4 hours, so the longer a movie runs, the more urgent it becomes to reset your internal p...
Post a Comment
Read more

Charted: Here's how much your food waste hurts the environment

[ad_1] Our species is pretty good at wasting food. Some we discard at the farm for being undersized or oddly shaped. Others we allow to decay in their shipping containers, thrown away before they even reach shelves. We leave even more foodstuffs wasting away in grocery stores, often by letting it sit there until it reaches its sell-by date. As consumers, we don’t have much control over most of the process that brings our food to the grocery store, but we do have control over how much food we personally waste. Let's face it: We’ve all found liquified lettuce in our veggie drawers. Don't fret. It's arguably impossible to consume 100 percent of the food we buy. But a healthy reminder of the effect food waste has on the environment might help us all to be more conscious of the amount of food we eat—and don't eat. Consumer food waste varies extensively depending on the area. In South and Southeast Asia, the Food and Agriculture Organization (FAO) estimates that only around ...
Post a Comment
Read more