Flying through bad weather can be a harrowing experience, and for NASA, it can be doubly unnerving, as violent storms can strike from below the atmosphere or above it. Witness the true power of nature in space and on Earth as astronauts and ground crews battle to overcome the elements, including a severe lightning strike that crippled Apollo 12's computer system, the freezing temps that compromised the Space Shuttle Challenger, and the tempest of space debris that sent a dead satellite on a collision course with the International Space Station.
2020 • Astronomy
Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when the Universe was incredibly dense and hot. It expanded and cooled, going through multiple stages where different kinds of matter could form. It underwent a phenomenally rapid expansion called inflation, which smoothed out much of the lumpiness in the matter. Normal matter formed atoms between 3 and 20 minutes after the bang, and the lumps left over from inflation formed the galaxies and larger structures we see today.
We don't yet know where the edge of the universe is or what happens there; but thanks to cutting-edge technology and new discoveries, experts might finally reveal the secrets of the phenomena that can be found in deepest reaches of the cosmos.
Carl Sagan opens the program with a description of the cosmos and a "Spaceship of the Imagination" (shaped like a dandelion seed). The ship journeys through the universe's hundred billion galaxies, the Local Group, the Andromeda Galaxy, the Milky Way, the Orion Nebula, our Solar System, and finally the planet Earth. Eratosthenes' successful calculation of the circumference of Earth leads to a description of the ancient Library of Alexandria. Finally, the "Ages of Science" are described, before pulling back to the full span of the Cosmic Calendar. Note: This revised version of the series adds an introduction by Ann Druyan, in which she discusses some of the changes that occurred in the years after its broadcast.
Scientists using the Hubble Telescope study vivid images from 12 billion and more light years away and observe that many galaxies cluster together like -- soap bubbles! Analyzing factors like dark matter and gravitational lensing, how can astronomers confirm this amazing bubble structure?
Saturn's secrets are out. The ferocious weather, the evolving ring system and the discovery of active geology on Saturn's moons has rewritten the textbooks. Scientists are looking for life on Saturn's moons and they may have found it on Titan.
On the anniversary of the launch of one of the most successful space mission to Mars, the National Geographic Channel is set to premiere a documentary on the Mars Orbiter Mission (MOM) also known as Mangalyaan. The MOM, was launched on November 5 in 2013 by Indian Space Research Organisation (ISRO) and entered the orbit of the red planet on September 24, 2014. The documentary produced by Miditech captures its enthralling journey of over 650 million kilometeres. In its most daring missions to date, India successfully sent a spacecraft to orbit around Mars, making it the fourth space agency in the world and the first Asian country, to successfully send a mission to the red planet. And they did this in record time, choosing a unique route and on a shoe-string budget, pulling off what is now globally recognised as the cheapest ride to Mars! So how did the (ISRO) scientists, with no previous experience in sending an inter planetary mission, design, develop and successfully launch and navigate Mangalyaan through space? What were the hurdles they faced and what out of the box solutions did they come up with to address those challenges? Using a combination of live action, expert interviews, archive footage and graphic representations the film captures the tension and drama points of the space mission. The documentary also focus on the salient features of the mission, all the drama, excitement, last minute preparations, the countdown and the successful launch.
2017 • Astronomy