what is on the moon?答the moon has lots of dust and rocks.我想问问我可以这样答吗?就这样的形式答～别看内容～主要让大家看形式～我觉得has因该改成have~做答时‘ 相关知识点: 试题来源: 解析 这样回答是可以的.这是一种“聚焦式”回答,提问者问一个范围比较广的问题,而回答者直接就问题范...
See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025. Comments (1) When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. See what moon phase it is tonight and find out when you can...
there are a few things you can do to identify it. First, meteorites are usually much heavier than they look. This is because they are made of dense rock and metal. Second, meteorites often have a smooth, melted surface. This is caused by the heat of the meteorite...
Emission Nebulae are those that emit radiation from ionized gas and are often called HII regions because they are largely composed of ionized hydrogen. The Orion Nebula is an emission nebula and star-forming region. Not only is it thebrightest nebulain our sky, but it is also the most active...
Another type of diffuse nebula, a reflection nebula doesn’t emit its own light, but scatters light from embedded stars. (Image credit: NASA, JPL-Caltech, Kate Su (Steward Obs, U. Arizona) et al.) Planetary nebula: The Helix Nebula This is composed of expanding gas that was blown off...
body (that isn’t a comet), usually rocky or metallic, composed of dirt and ice. Small asteroids are also called meteoroids. When an asteroid or meteoroid enters the atmosphere and streaks through the sky, it then becomes known as a meteor. Anything that survives the impact is a meteorite...
Earth, the third planet from the sun, is unique in its ability to sustain life, and while it shares physical laws with other celestial bodies, it has distinct characteristics that set it apart. Earth is composed of four layers: the crust, mantle, outer core, and inner core, with the cru...
The Sun is mostly composed of hydrogen. About 75 percent of its mass is made up of this element. The second most common element is helium. This...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
“Yes, that comparison seemed particularly apt!” Rivkin said. “What Didymos and Dimorphos are composed of are very common among near-Earth asteroids, so even a randomly chosen meteorite would have a good chance of matching!” Other asteroids that have been studied even more closely -...
“Rebel Moon – Part 1: A Child of Fire.”Sofia Boutella leads a starry cast (including Djimon Hounsou, Charlie Hunnam and the voice of Anthony Hopkins) in this space opera about a small colony that must rise up against a tyrannical threat to the galax...