It takes the moon about 27 days to orbit the Earth. What makes it go round? It is the gravitational attraction of the Earth on the moon. Due to the moon's velocity, the Earth keeps pulling the moon towards it without the moon actually getting closer to the Earth. This is similar to how satellites orbit the Earth.

In Queenstown, New Zealand, I jumped off the Kawarau Bridge - the site of the first bungy jump. It was a thrilling experience, preceded by a terrifying, gut-wrenching half hour wait. All in all an awesome adventure, even if the woman fitting my harness didn't know the first thing about the acceleration of free-falling bodies.

The aurora borealis or northern lights is one of the most spectacular natural displays on the planet. Theories about its origins have been debated for centuries and common misconceptions persist that the aurora is the sun's rays scattered off ice crystals in the high atmosphere. In truth, the light is created more than 100km above Earth's surface as high speed electrons and protons ejected from the sun in a solar flare or coronal mass ejection collide with air molecules in the upper atmosphere. The charged particles from the sun excite air molecules which then de-excite by emitting light. The display is most common around the north and south poles because the Earth's magnetic field deflects the solar wind from the equator to the poles. Here the magnetic field dips towards the Earth's surface, channeling the charged particles into the atmosphere.

Music is by Kevin MacLeod http://incompetech.com, the song is called Mirage

When is the acceleration (rate of speeding up or slowing down) greatest during a bungy jump?

How to light a candle without touching a flame to the wick. A common misconception is that a candle burns by burning the wick. What is actually burning is wax vapour which is drawn up through the wick. When you blow a candle out, wax vapour continues to rise off the candle so you can light this vapour which burns back down to the wick, relighting the candle.

How should we depict an atom? Like a solar system with electrons orbiting the nucleus on hula hoop orbits? That idea is so last century! Bosi takes us into the quantum world, where an electron's position and velocity aren't well defined - all we can calculate are the probabilities e.g. of finding an electron at different points in space. When we do that, we find electrons do not neccessarily occupy circles or spheres in space. Rather their probability densities make all sorts of interesting shapes from the dumbell to the peanut with the donut around it.

Pioneering NASA mathematician Katherine Johnson has died at the age of 101. Johnson was part of a group of African-American women who worked on critical mathematical calculations in the early days of human spaceflight, as chronicled in the best-selling book and hit movie “Hidden Figures.”

"She was an American hero and her pioneering legacy will never be forgotten,” said NASA Administrator Jim Bridenstine.

Launching Americans from U.S. soil, sending a new rover to Mars and continuing to prepare for human missions to the Moon are just a few of the things NASA has planned for 2020.

This video is available for download from NASA's Image and Video Library: https://images.nasa.gov/detail....s-NHQ_2019_1231_2020

Expedition 61 Crew, Record-Setting Astronaut Christina Koch Return to Earth

Expedition 61 Commander Luca Parmitano of ESA (European Space Agency), Soyuz commander Alexander Skvortsov of Roscosmos and NASA Flight Engineer Christina Koch landed safely on Earth near the town of Dzhezkazgan, Kazakhstan, Feb. 6 after bidding farewell to their colleagues on the complex and undocking their Soyuz MS-13 spacecraft from the Poisk Module on the International Space Station. Koch completed a 328-day, 139-million mile mission on the orbital outpost --- the longest spaceflight ever conducted by a woman in history and the second longest single spaceflight by a U.S. astronaut. Parmitano and Skvortsov wrapped up a 201-day mission in space spanning 85.2 million miles.

Lanzar en órbita a astronautas estadounidenses desde EE.UU, enviar un nuevo rover a Marte y continuar preparándose para misiones humanas a la Luna son solo algunos de los planes de la NASA para el año 2020.

Este video se puede descargar libremente desde: https://go.nasa.gov/2TyyAoh
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While Apollo placed the first steps on the Moon, Artemis opens the door for humanity to sustainably work and live on another world for the first time. Using the lunar surface as a proving ground for living on Mars, this next chapter in exploration will forever establish our presence in the stars. ✨

We are returning to the Moon – to stay – and this is how we are going!

Actress Kelly Marie Tran of “Star Wars: The Rise of Skywalker” lent her voice to this project.

Let’s say you’re on an interplanetary mission to Mars, millions of miles from the nearest hospital, and something in your body goes awry. Say, a routine body scan reveals a potentially life-threatening blood clot. What on Earth, or in space I guess, do you do? Well now we have the answer to that question.

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WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores the future of business, innovation, and culture.

NASA Flight Surgeon Explains How to Treat a Blood Clot in Space | WIRED

What's different about hygiene in space? Former NASA astronaut Mike Massimino breaks down all the differences between using the bathroom, washing your hair, and brushing your teeth on Earth and in space. How do you take showers in space? Do you get a private bathroom on the International Space Station? Can you bring your own toothbrush into space?

Mike Massimino is a former NASA astronaut, senior advisor for space programs at the Intrepid Museum, and professor at Columbia University.

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Get more incredible stories on science and tech with our daily newsletter: https://wrd.cm/DailyYT

Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV, and Android TV. Here you can find your favorite WIRED shows and new episodes of our latest hit series Tradecraft.

ABOUT WIRED
WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores the future of business, innovation, and culture.

Former NASA Astronaut Explains How Hygiene Is Different in Space | WIRED

The High Definition Earth-Viewing (HDEV) experiment on the International Space Station has experienced a loss of data, and ground computers are no longer receiving communications from the payload. A team of engineers are reviewing the available health and status information from HDEV to identify what may have occurred. Additional updates will be published as they become available.

What's different about food in space? Former NASA astronaut Mike Massimino breaks down all the differences between eating on Earth and eating in space. Is astronaut ice cream REALLY a thing? Who decides what food is brought to space? Can you eat burgers in space? Why do astronauts use tortillas instead of bread?

Mike Massimino is a former NASA astronaut, senior advisor for space programs at the Intrepid Museum, and professor at Columbia University.

Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7
Get more incredible stories on science and tech with our daily newsletter: https://wrd.cm/DailyYT

Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV, and Android TV. Here you can find your favorite WIRED shows and new episodes of our latest hit series Tradecraft.

ABOUT WIRED
WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores the future of business, innovation, and culture.

Former NASA Astronaut Explains How Food Is Different in Space | WIRED

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Daniel Calveti - Tú Estás Aquí | Nueva Canción | Música Cristiana 2019

“TÚ ESTÁS AQUÍ” @Por: Daniel Calveti

Tú estás aquí Tú estás aquí 
Te puedo sentir, Tú estás aquí 
Te puedo sentir, Tú estás aquí 
Como un río que fluye
Es Tu Presencia Señor 
Al pronunciar Tu Nombre
Hay Libertad, hay sanidad.

Rendido a tu Presencia 
Jesús, Cordero De Dios 
Recibe toda la honra
Precioso Señor Mi salvador.

Tú estás aquí 
Tú estás aquí 
Te puedo sentir, Tú estás aquí 
Te puedo sentir, Tú estás aquí 

Bienvenida tu Gloria
Haz tu obra en mí
Jesús, mi alma te anhela
Creo en Ti, Creo en Ti.

Eres Dios de mi Historia
Tú tienes todo el control
No hay infierno que gane
Pues, Tú estás aquí, Tú estás en aquí.

//Tú estás aquí Tú estás aquí 
Te puedo sentir, Tú estás aquí 
Te puedo sentir, Tú estás aquí //

Todo va a estar bien
Todo va a estar bien
pues Tú estas aquí 
Tú estás aquí.

De tu boca sale aliento
Que mi alma necesita
En tu palabra hay poder
Que trae vida a mis huesos

Jesús tu nombre es el verbo de aliento
Jesús tu nombre es el agua de vida
De tu boca sale aliento
Que mi alma necesita

Jesús tu nombre es el verbo de aliento
Jesús tu nombre es el agua de vida
Oh Jesús tu nombre es mi pan.

Tú hablas y el sordo oye
El ciego ve al oír tu voz
Grande es tu poder
Grande es tu poder, Jesús

Tú hablas y el cojo anda
Con tu poder el mudo habla
Habla sobre mi
Habla sobre mí, Jesús

Era ciego y ahora puedo ver
Sordo fui y hoy te escucho
Habla sobre mí, Jesús

Preso fui y hoy libre soy
Perdido estaba, mas hoy tu hijo soy
Habla sobre mí, Jesús
Habla sobre mi
Habla sobre mí, Jesús

Habla sobre mi
Habla sobre mi
Habla sobre mi

Habla sobre mi
Habla sobre mi
Habla sobre mí, Jesús

Era ciego y ahora puedo ver
Sordo fui y hoy te escucho
Habla sobre mí, Jesús

Preso fui y hoy libre soy
Perdido estaba, mas hoy tu hijo soy
Habla sobre mí, Jesús
Habla sobre mi
Habla sobre mí, Jesús

Daniel y Shari Calveti, son autores y conferencistas para Latinoamérica, apasionados por Dios y por enseñar principios bíblicos para la familia; y matrimonios. A través de cada conferencia es evidente que el título que llevan con más orgullo es el de esposos y padres. Juntos son los fundadores del ministerio para matrimonios “Pasión 001”. Son embajadores para Latinoamérica de SOS International, organización en contra del trafico humano y la provision de alimentos para niños en riesgo.

Orgullosos padres de Isaac, Natán y Daniela.

Daniel Calveti, también es un reconocido cantautor cristiano para Latinoamérica. Tiene cuatro nominaciones a los Grammys Latinos. Una nominación a los Dove Award y dos Arpas Award.

01. “COMENZANDO A CONSTRUIR”. Daniel y Shari Calveti.
[Cápsulas para matrimonios] [Blogs]

01. “COMENZANDO A CONSTRUIR”. Daniel y Shari Calveti.
[Cápsulas para matrimonios] [Blogs]

01. “COMENZANDO A CONSTRUIR”. Daniel y Shari Calveti.
[Cápsulas para matrimonios] [Blogs]

Biografía

Daniel y Shari Calveti, son autores y conferencistas para Latinoamérica, apasionados por Dios y por enseñar principios bíblicos para la familia; y matrimonios. A través de cada conferencia es evidente que el título que llevan con más orgullo es el de esposos y padres. Juntos son los fundadores del ministerio para matrimonios “Pasión 001”. Son embajadores para Latinoamérica de SOS International, organización en contra del trafico humano y la provision de alimentos para niños en riesgo.

Orgullosos padres de Isaac, Natán y Daniela.

Daniel Calveti, también es un reconocido cantautor cristiano para Latinoamérica. Tiene cuatro nominaciones a los Grammys Latinos. Una nominación a los Dove Award y dos Arpas Award.