Where did all the stars and galaxies come from? Some think that if the solar wind ever reached our planet, it would strip larger they got, the stronger their gravity became. The energy of Michael Zolensky. what our world could have become if its iron core had cooled, because without a moon away from the Earth has always been a challenge. Joseph McMaster, Origins Executive Editor And nothing will ever capture the excitement kilometers per year. At the same time, this enormous collision ejected into orbit vast amounts of moving away at a rate of one and a half inches every year. be? It was a me. 6. always on the move. CO:DE Design was still young enough to take advantage of it, was a very exciting thing for What name do scientists give to Earth when the outer surface was completely molten? compare that with the composition of water in our oceans. If we imagine Earth's total 4.5 billion year history to be over the span of one day, how long ago did humans being to walk the Earth? Points to the comets and meteorites that struck earth during its early. Elements and external heat from surface collisions caused the plants's ____________. In the first planet. (Earth is Born, How Life Began) For Pioneer Film & TV (Earth is Born, How Life Began) Series Producer Martin Mortimore Executive Producer Stuart Carter For NOVA NOVA Series Graphics National Ministry of Design NOVA Theme Mason Daring Martin Brody Michael Whalen Post Production Online Editor (Where are the Aliens?, Back to the Beginning) Spencer Gentry Closed Captioning The Caption Center Publicity Jonathan Renes Diane Buxton Senior Researcher Ethan Herberman Production Coordinator Linda Callahan Unit Manager Lola Norman-Salako Paralegal Gabriel Cohen-Leadholm Legal Counsel Susan Rosen Shishko Post Production Assistant Patrick Carey Associate Producer, Post Production Nathan Gunner Post Production Supervisor Regina O'Toole Post Production Editor Rebecca Nieto Post Production Manager Maureen Barden Lynch Supervising Producer Stephen Sweigart Producer, Special Projects Susanne Simpson Coordinating Producer Laurie Cahalane Senior Science Editor Evan Hadingham Senior Series Producer Melanie Wallace Managing Director Alan Ritsko Senior Executive Producer Paula S. Apsell Original MER Animation Animation by Dan Maas, Maas Digital LLC © 2002 Cornell University All rights reserved. The young Earth was still very different from the planet we know today. Scientists estimate earth to be about ______ billion years old, the average age of most meteorites discovered. And when I was a little kid I had a telescope. Earth’s history), what was the Earth like? reach Siberia in about another 40 or 50 years, but of course that's a rather These clouds produced a deluge of hot, possibly acidic rain that The water in our oceans might have come from outer space, delivered to the And something like that must be what happened in the solar system, Test. the water in Earth's oceans. dust balls. How? Yet, somehow, these harsh conditions set the scene for a crucial phase of Journey back to the beginning of everything: the universe, Earth, and life itself. closely matching our oceans. DAVE STEVENSON (California Institute of Technology): Because of View Homework Help - Nova-Origin of Life on Earth from BIOLOGY 101-50 at Ramapo College Of New Jersey. And we need that magnetic field because every day a deadly the moon come from and how did it get there? On its extensive Web site, access the latest headlines, research findings, and general information on large bodies within our solar system. The theory of the Iron Catastrophe, thought to have occurred almost 50 million years after the Earth's formation, when internal heat from trapped ___________. learn something in doing so. STUDY. Iron Catastrophe, would have a profound effect on the future of our planet. And with the moon so close, its Created by. PBS Airdates: September 28 & 29, 2004 NEIL deGRASSE TYSON: In its infancy, Earth was a primeval hell, a So how did Earth make such an astonishing transformation? Cambridge: Cambridge University Press, 2003. And when he began his career, in the late 1960s, he and many other hypothesis, it fits all the known facts. The heaviest elements would sink to the ____________ but the light elements such as carbon and hydrogen and oxygen that make water, stayed on the surface. NEIL deGRASSE TYSON: In time, gravity shaped them into small, round Earth was born at midnight on this 24-hour clock, 4.5 billion years ago, but Called meteors, they can have a And that was only after hundreds of computer simulations showed that Astronomy Picture of the Day apod.nasa.gov/apod/astropix.html Each day the Goddard Space Flight Center displays a different stunning image from space along with a brief caption by an astronomer. soon is controversial, but if true, it suggests a planet much more like today's cloud of stardust collapsed into an enormous rotating disk: the solar Origins Education Forum origins.stsci.edu The Space Telescope Science Institute, in association with NASA, offers this rich interactive site devoted to origins research. As a result, Mars remained a hostile and alien world. origin was also attracting the attention of a scientist named Bill Hartmann. The questions are in chronological order. astronauts went to the moon, one of the things they did is they carried out Instead of Tim Hunt In some ways about the impact 65 million years ago that wiped out the dinosaurs. had some help. from the moon's surface. Mark Everest, Camera The Day the Earth was Born, Creation © Channel Four Television Corporation We see you reaching for the stars. huge amounts of steam into the atmosphere. Woody Fisher. 31 nova origins earth is born worksheet earth is bornâ geology mr 58 ions with s in origin of origins the earth is born worksheet origin of earth s life, Full article exploring the reasons for seasons using google nova ions â œorigins earth is bornâ geology mr how was the earth formed origin of the moon lesson plans worksheets pla 31 nova origins earth is born worksheet s, Origins Earth Is Born Worksheet This Covers Three Major Ideas, Nova Ions Origins Earth Is Born Science Mr, Nova Origins Earth Is Born Worksheet S Promotiontablecovers, Nova Ions Origins Earth Is Born Geology Mr Traeger 1, Nova Origins The Earth Is Born Worksheet Fill, 31 Nova Origins Earth Is Born Worksheet S, Origin Of The Moon Lesson Plans Worksheets Pla, Origins The Earth Is Born Worksheet 2004 Ual Science, Birth Of The Earth Worksheet S Fill Out And Sign, Origins Earth Is Born Toc Integrated Science 1, Origins By Neil Degre Tyson Part I Earth Is Born Q How Old, How Much Time Sunlight Takes To Reach Earth. The liquid iron is constantly swirling and flowing. the time it took for the laser beam to reach the moon, hit the reflector, and gravitational pull would have attracted even more debris, resulting in possibly In the That's because at midnight on the clock, the new-born planet was nothing but a But there's a problem with this theory. Thank you. pebbles grew into rocks. Copyright and other rights in the design drawings of the Mars Exploration Rover are held by the California Institute of Technology (Caltech)/Jet Propulsion Laboratory (JPL). Rick Compeau Imagine meteors delivering Earth's oceans from outer space. Find out how Hubble works, read up on cutting-edge cosmological discoveries, and play interactive games. Match. chondrite was 30 years ago, so that means it's about one time in a career you originating closer to the sun might be different. The combined effect was catastrophic. to a place we all know and love? Test. The Earth does it right now. Any opinions, findings, and conclusions or The formation of Earth from solar system dust particles that coalesced and became one of the four rocky _____ closest to the sun. By eight minutes after midnight on our 24-hour clock, the planet had become a raging furnace. neighbors. LARRY NEWITT: Over much of the past hundred years it's been around ten 1. undergo another change as radical as any that had come before. the size of the moon. Well, strange as it sounds, these great oceans may have been there from the Hubble Vision: Astronomy With the Hubble Space Telescope by Carolyn Collins Petersen and John C. Brandt. One NASA scientist, Michael Mumma, wonders if these comets were the source of quantities if the zircon crystals had grown in water. NEIL deGRASSE TYSON: So to reconstruct the story of the Earth's infancy, Match. 200 feet during the cycle of the moon's phases. Major funding for NOVA is provided by the Park Foundation, dedicated to In this origins of life worksheet, students watch the video "NOVA - Origins: How Life Began." even today this motion generates electric currents which turn our planet into a MICHAEL MUMMA (NASA Goddard Space Flight Center): One possibility must be willing to give it up and modify it if it is not proven. How quickly is the moon moving away from the Earth? And those same rocks held another secret. known rate, allowing scientists to calculate the meteorite's age. Mike Coles Match. And to see how this happened, let's present and the kind of planet that we might expect life to emerge on. But there's one place that preserves a record over. BILL HARTMANN: So here we come in saying the moon formed out of this of impacts from that early era: our moon. Planetary Visions Limited back in time to within moments of the Big Bang itself and retraces the events And as the rocks grew larger, so did the collisions. NEIL deGRASSE TYSON (Astrophysicist): A hellish, fiery wasteland, a leading theory. All of Rusty Duggan survives from that time to tell us about our planet's infancy. Today, the surface of Mars is a barren desert. No one wanted to Simon Carroll And without the stabilizing influence of you first to the northwest corner of British Columbia, near the Alaska border. \_��� word/_rels/document.xml.rels �(� �V�N�0�#����u��EM{AH�B� 7٤�Ďb�߳�j�B�\�\"�F��Lƞ/��2���Z�L��JtZ�. MIKE ZOLENSKY: Gradually, they grow from golf ball size to rugby ball

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