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to come. it happens every five or six generations. nothing gives me greater confidence in the future than knowing canada and the united states stand together still. today i'd like to speak a little bit about the future for a minute. a future that is ours to seize. you know, i get criticized sometimes for saying that i used to always -- barack -- president obama used to kid me because i'd say to him in our private meetings, country is never more optimistic than its president or its leaders. well, i have never been more optimistic about the prospects -- i mean this from the bottom of m...

fundamentally aligned. as we stand at this inflection point in history, i had a professor who once explained the infection point as you're going down the highway at 60 miles an hour, you rapidly turn and run a direction 5 degrees, and never get back on the same path again, but you're on a different course. whether the decisions we make in the coming years will determine the course of our world for decades to come. it happens every five or six generations, but we're at that point. nothing gives me greater confidence in the future that knowing canada and the united states stand togethe...

Use visible light like the hubble space telescope. it uses a kind of light we can't see, infrared light. our universe is expanding, and as the universe expands, everything in it expands as well, including light. when we talk about galaxies that are incredibly far away, the expansion of the universe has expanded the wavelengths of the light and moved the light into the red areas, the infrared. this is an image of the pillars of creation taken by hubble. it's a place where stars are born. but because james webb uses infrared light, it will be able to see through this dust, showing us the multitu...

This is an image of the pillars of creation taken by hubble. it's a place where stars are born. but because james webb uses infrared light, it will be able to see through this dust, showing us the multitude of stars that lie beyond. but all of this rests on getting the mirror fully opened and then aligned. nothing this complex has been tried in space before. but if it works, by the summer, the first images should be sent back, and scientists say they will be spectacular. now it's time for a look at the weather with carol kirkwood. hello again. we've had a cold start to the day this morning wit...

Of stars that lie beyond. but all of this rests on getting the mirror fully opened and then aligned. nothing this complex has been tried in space before. but if it works, by the summer, the first images should be sent back, and scientists say they will be spectacular. rebecca morelle, bbc news. time for a look at the weather. here's thomasz schafernaker. satellite is a little less fancy than that, but we certainly are in for some weather over the next 2a hours or so. it remains chilly, and talking of satellites, i want to show you this fantastic picture from space. look at this well pool of cl...