It is a gaseous(气态的)planet.Saturn is surrounded(围绕) by bigger rings than any other planet. They are made of ice, dust(尘埃), and rock. It also has more than 80 known moons.Uranus is very cold. It is the first planet to be discovered by scientists.Neptune is blue in colour. ...
is part of the planet’s air.CO2helps trap heaton Earth, like a greenhouse traps heat to grow tomatoes in cold climates. But too much of it can cause problems, such as heat waves and ocean acidification. It occurs both naturally and as a byproduct of human activities, such as burning ...
英语动画 | 小小科学探索家 Little Malabar -18- The Big Blue 蓝色的宝藏 英语动画 | 小小科学探索家 Little Malabar -17- In the Rings of Saturn 土星的光环 英语动画 | 小小科学探索家 Little Malabar -16- One More Time...
could be alone in the universe. The first reason Earth was able to become this welcoming blue sphere is because it's at just the right distance from the Sun, in a narrow zone not too hot and not too cold, where the temperatures are compatible with liquid water and life....
National Geographic photographer Brian Skerry has been diving in the Gulf of Maine for more than 40 years. After learning these waters were a harbinger of climate change, he set out to document the rapid shift and its ripple effects.
Which planet is between Mercury and Earth? What does the planet name Uranus mean? What type of planet is Venus? What planet has 18 moons? What is an extragalactic planet? Why is Uranus a planet? Which planet besides Neptune is known as the blue planet?
Space suits kept the astronauts from getting too hot in daytime and too cold at night or in shadows. 太空服可以保护宇航员白天不会感到太热,晚上或者是在阴影区域也不会感到太冷。 The astronauts liked walking on the moon. They did n...
A composite image of Jupiter taken by Webb's NIRCam, showing the planet's rings and two of its moons, Amalthea and Adrastea. The blue glow around Jupiter's poles is the aurora.(Image credit: NASA, ESA, CSA, Jupiter ERS Team; image processing by Ricardo Hueso (UPV/EHU) and Judy Sch...
Earth (or, "the earth") is the only planet presently known to support life, and its natural features are the subject of many fields of scientific research. Within the solar system, it is third nearest to the sun; it is the largest terrestrial planet and the fifth largest overall. Its mo...
Space is a term that can refer to various phenomena in science, mathematics and computing and generally encompasses the concept of an area or region. It is often used as a shorthand for outer space. What is outer space? Outer space is the region beyond a planet's atmosphere. For Earth, ...