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2022年度野生动物摄影大赛作品赏析_我的网站

A |     由伦敦自然历史博物馆举办的年度野生动物摄影师大赛涵盖了19个不同类别，包括城市野生动物、湿地、动物肖像和无脊椎动物行为等。今年的比赛吸引了来自93个国家的摄影师提交的近40,000件作品。

B | 年度最佳摄影师奖由美国摄影师Karine Aigner获得，他拍摄的雄性仙人掌蜜蜂蜂拥在“交配球”中心的一只雌性仙人掌蜜蜂上，令人惊叹。    CAPE CANAVERAL, Fla. -- NASA’s Psyche spacecraft rocketed away Friday on a six-year journey to a rare metal-covered asteroid.Most asteroids tend to be rocky or icy, and this is the first exploration of a metal world. Scientists believe it may be the battered remains of an early planet's core, and could shed light on the inaccessible centers of Earth and other rocky planets.SpaceX launched the spacecraft into an overcast midmorning sky from NASA’s Kennedy Space Center. Named for the asteroid it’s chasing, Psyche should reach the huge, potato-shaped object in 2029.“It's so thrilling,” said Laurie Leshin, director of NASA’s Jet Propulsion Laboratory. Added Arizona State University's Jim Bell, part of the Psyche team: “What a great ride so far.”An hour later, the spacecraft separated successfully from the rocket's upper stage and floated away, drawing applause from ground controllers.After decades of visiting faraway worlds of rock, ice and gas, NASA is psyched to pursue one coated in metal. Of the nine or so metal-rich asteroids discovered so far, Psyche is the biggest, orbiting the sun in the outer portion of the main asteroid belt between Mars and Jupiter alongside millions of other space rocks. It was discovered in 1852 and named after Greek mythology’s captivating goddess of the soul.“It’s long been humans’ dream to go to the metal core of our Earth. I mean, ask Jules Verne,” lead scientist Lindy Elkins-Tanton of Arizona State University said ahead of the launch. “The pressure is too high. The temperature is too high. The technology is impossible,” she said. “But there’s one way in our solar system that we can look at a metal core and that is by going to this asteroid.”Astronomers know from radar and other observations that the asteroid is big — about 144 miles (232 kilometers) across at its widest and 173 miles (280 kilometers) long. They believe it’s brimming with iron, nickel and other metals, and quite possibly silicates, with a dull, predominantly gray surface likely covered with fine metal grains from cosmic impacts.Otherwise, it’s a speck of light in the night sky, full of mystery until the spacecraft reaches it after traveling more than 2 billion miles (3.6 billion kilometers).Scientists envision spiky metal craters, huge metal cliffs and metal-encrusted eroded lava flows greenish-yellow from sulfur — “almost certain to be completely wrong,” according to Elkins-Tanton. It's also possible that trace amounts of gold, silver, platinum or iridium — iron-loving elements — could be dissolved in the asteroid's iron and nickel, she said. “There's a very good chance that it’s going to be outside of our imaginings, and that is my fondest hope," she said.Believed to be a planetary building block from the solar system’s formation 4.5 billion years ago, the asteroid can help answer such fundamental questions as how did life arise on Earth and what makes our planet habitable, according to Elkins-Tanton.On Earth, the planet's iron core is responsible for the magnetic field that shields our atmosphere and enables life.Led by Arizona State University on NASA’s behalf, the $1.2 billion mission will use a roundabout route to get to the asteroid. The van-size spacecraft with solar panels big enough to fill a tennis court will swoop past Mars for a gravity boost in 2026. Three years later, it will reach the asteroid and attempt to go into orbit around it, circling as high as 440 miles (700 kilometers) and as close as 47 miles (75 kilometers) until at least 2031.The spacecraft relies on solar electric propulsion, using xenon gas-fed thrusters and their gentle blue-glowing pulses. An experimental communication system is also along for the ride, using lasers instead of radio waves in an attempt to expand the flow of data from deep space to Earth. NASA expects the test to yield more than 10 times the amount of data, enough to transmit videos from the moon or Mars one day.The spacecraft should have soared a year ago, but was held up by delays in flight software testing attributed to poor management and other issues. The revised schedule added extra travel time. So instead of arriving at the asteroid in 2026 as originally planned, the spacecraft won’t get there until 2029.That’s the same year that another NASA spacecraft — the one that just returned asteroid samples to the Utah desert — will arrive at a different space rock as it buzzes Earth.___The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group. The AP is solely responsible for all content.。这并不是Aigner在2022年第一次获奖。

C | 几个月前，由加州科学院举办的BigPicture自然摄影大赛也授予了“交配球”图像年度照片。评审团主席Rosamund Kidman Cox说道：“振翅欲飞，来势汹汹的雄蜂对着直接滚入画面的嗡嗡作响的蜜蜂球发起冲击。在蜜蜂级别的放大镜下，运动感和强度被展现出来并将小仙人掌蜜蜂转化为争夺一只雌蜂的大竞争者。”今年的另一个亮点作品来自于城市野生动物类别的获奖者。

D | 这张照片的特点是一对北极熊居住在一个已经被遗弃多时的定居点的房子里。这幅不可思议的图片是由摄影师Dmitry Kokh拍摄，他在俄罗斯楚科奇海的一个孤岛上发现了这些北极熊。Kokh将一架低噪音的无人机送上岛以拍摄一系列惊人的图片，它们展示了一些生活在这个定居点的北极熊。自然历史博物馆馆长Doug Gurr说道：“野生动物摄影师为我们提供了进入野生物种生活的难忘一瞥，分享了看不见的细节、迷人的行为及关于气候和生物多样性危机的一线报道。这些图片展示了他们对自然界的敬畏和欣赏以及采取行动保护自然界的迫切需要。

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Published on:16:25:09