Theoceancoversapproximately70%ofEarth'ssurface.It'sthelargestlivablespaceonourplanet,andthere'smorelifetherethananywhereelseonEarth.Throughexploration,we'relearningmoreaboutitsbiological,chemical,physical,andgeological(地质的)aspects.Explorationleadstodiscovery,butbeforewecantrulyexplore,wemustmap.Seafloormappingprovi...
Astronomers say they have discovered the largest "planet killer"-sized asteroid(小行星) in eight years, and that the huge space rock will cross the Earth's orbit.They have found three rather large asteroids, one of which, named 2022 AP7, crosses the Earth's orbit, making it a potentially...
The ocean water on Europa would be very coldbut scientists set down life in similar conditions on earth.木卫二上的海水会很冷，但科学家们在地球上设定了类似条件下的生命。Future missions to Europa are being planned.未来的欧罗巴任务正在计划中。Many scientists would like to send a robot to the moo...
Most exoplanets have been discovered by the U.S. Kepler space telescope. Those exoplanets are located away from Earth at a distance of more than 500 light-years. In 2018, NASA launched a new planet-hunting satellite, the Transiting Exoplanet Survey Satellite (TESS), to target exoplanets closer...
D The ocean covers approximately 70% of Earth's surface. It's the largest livable space on our planet, and there's more life there than any where clse on Earth. Through exploration, we're learning more about its biological,chemical, physical, and geological (地质的) aspects. Exploration le...
c) Jupiter 1. **选项分析**: - **a) Mars(火星)**:火星是太阳系中的第四颗行星,体积较小,直径约为地球的一半,显然不是最大的。 - **b) Earth(地球)**:地球是第三颗行星,体积虽比火星大,但仍远小于气态巨行星(如木星、土星)。 - **c) Jupiter(木星)**:木星是太阳系中最大的行星,其...
15 of the largest living things on the planetMeghan Bartels
This spectrogram shows the largest quake ever detected on another planet. Estimated at magnitude 5, this quake was discovered by NASA’s InSight lander on May 4, 2022, the 1,222nd Martian day, or sol, of the mission. Credit: NASA/JPL-Caltech/ETH Zurich ...
“Just when we think there is nothing left to discover on planet Earth, we find a massive coral made of nearly 1 billion little polyps, pulsing with life,” said Enric Sala, National Geographic explorer in residence and founder of Pristine Seas. ...
Earth 相关知识点: 试题来源: 解析 a) Jupiter 1. **选项分析与正确性确认**:给出的四个选项中,a选项为Jupiter(木星),根据已知天文知识,木星是太阳系中最大的行星,无论是体积还是质量都远超其他行星。2. **逐个分析选项**: - **a) Jupiter**:木星质量为太阳系其他行星总和的2.5倍,直径约为14.3万公里...