单词:Jupiter's family of comets
单词:Jupiter's family of comets 相关文章
This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g
[00:00.00]Lesson 14 Comets [00:02.60]彗星 [00:05.20]In recent scientific investigation of comets has increased [00:14.16]because of a growing interest in the origin of the sun and planets. [00:17.63]近年来,由于对太阳和行星的起源兴趣
So, enough scientists in other disciplines are really asking people to help, and they're doing a good job of it. 足够多的科学家在其它领域正寻求大家帮忙,而且大伙也干的不错。 For instance, there's eBird, where amateur bir
This is Scientific Americans' 60-Second Science, I'm Chelsea Wald. Got a minute? Remember the good old days when we understood our solar system? Then we found out Pluto wasn't a planet. And now a new study puts comets in question. The data come from
This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? Earth's surface is dominated by oceans. But where did all that water come from? Asteroids and comets smashing into the early Earth have long been thought to be a promisin
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? The Apollo moon missions ended almost 40 years ago. But for lunar scientists, they're gifts that keep on giving. Researchers studying rocks brought back by ast
Lesson 26 Li Ming's Family 第26课 李明一家 1. Meet Li Ming's family. 1.认识李明一家。 My family lives in China. 我家在中国。 I am a student. My name is Li Ming. 我是一名学生。 我名叫李明。 My father is a businessman. H
Lesson 27 Jenny's Family 第27课 珍妮家 1. Meet Jenny's family. 1.认识珍妮一家。 We are the Smith family. We live in Canada. 我们是史密斯一家。 我们住在加拿大。 My sister is a student. Her name is Lynn. 我妹妹是名学生
[ti:UNIT 5 Family and Home Lesson 34: Jenny's Family] [00:01.77]UNIT 5 第五单元 [00:04.10]Family and Home 家庭和家 [00:07.15]Lesson 34: 第34课: [00:09.27]Jenny's Family 詹妮的家庭 [00:12.06]1. [00:13.42]Jenny's family 詹妮的家庭
[ti:UNIT 5 Family and Home Lesson 33: Li Ming's Family] [00:01.72]UNIT 5 第五单元 [00:03.69]Lessons 33~40 第33~40课 [00:07.17]Family and Home 家庭和家 [00:10.24]Lesson 33: 第33课: [00:12.07]Li Ming's Family 李明的家庭 [00:15.05
Comet 彗星 Do you know what a comet is? 你知道彗星是什么吗? A comet is an object in the solar system. 彗星是太阳系中的天体。 It travels around the sun like the planets. 它像其它行星一样绕着太阳转。 Then, why don'
STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we tell about an American spacecraft that has a date with a comet. We hear the latest about a Space Shuttle commander whose wife co
Sleeping and Dreaming of Comets From VOA Learning English, this is Science in the News. Im Jim Tedder. And Im Caty Weaver. Today, we tell how sleep helps to keep our brains healthy. We have a report about what South African researchers are calling Ea
MARY LOUISE KELLY, HOST: A gigantic storm has captured scientists' interest for more than a century, but no one's been able to get a really close look at it until now. That's because the storm is on Jupiter. It's better known as Jupiter's Great Red S
NASA Probe Takes First-Ever Close-Up Images Of Jupiter's North Pole play pause stop mute unmute max volume 00:0001:56repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Fl
ARI SHAPIRO, HOST: There are cyclones at the poles of Jupiter. That's one of the surprises that NASA is reporting today. The space agency's Juno probe has been orbiting the gas giant since last summer. It's completed six revolutions of the planet so
[6] One group, led by John Matese, professor of physics at the University of Louisiana at Lafayette, confirms the notion that it is most likely to be a brown dwarf, a star that never accumulated enoug
But let's pretend again that we have made it to the Oort cloud. The first thing you might notice is how very peaceful it is out here. We're a long way from anywhere nowso far from our own Sun that it's not even the brightest star in the sky. It is a
By Bernie Bernard Since the 1970s, Heart has sold more than 30 million albums, and has scored 20 Top 40 hits. After record company conflicts over the past 10 years and some health problems, Ann and Na
ISLAMABAD, April 27 (Xinhua) -- Osama bin Laden's three widows and other family members were deported to Saudi Arabia on Friday, days after they completed their jail term awarded to them for entering and living in Pakistan illegally, local media repo