ASTRONOMY 2 — Overview of the Universe Fourth Practice
... and Weak Nuclear Force. T (11) Our Galaxy’s measured rotation velocity indicates that it contains a lot of dark matter. T (12) The discovery of the Cosmic Microwave Background Radiation caused astronomers to propose the Big Bang theory. F ...
... and Weak Nuclear Force. T (11) Our Galaxy’s measured rotation velocity indicates that it contains a lot of dark matter. T (12) The discovery of the Cosmic Microwave Background Radiation caused astronomers to propose the Big Bang theory. F ...
Origin and Formation of the Universe – PowerPoint notes
... C. Inflationary Theory – predicts that there was a ________________________________ when the universe was very young, more extreme than predicted by ___________________________________! 1. Considered to be a ____________________ Big Bang Theory. 2. The universe ____________________ and _____________ ...
... C. Inflationary Theory – predicts that there was a ________________________________ when the universe was very young, more extreme than predicted by ___________________________________! 1. Considered to be a ____________________ Big Bang Theory. 2. The universe ____________________ and _____________ ...
Origin and Formation of the Universe – PowerPoint notes I
... C. Inflationary Theory – predicts that there was a ________________________________ when the universe was very young, more extreme than predicted by ___________________________________! 1. Considered to be a ____________________ Big Bang Theory. 2. The universe ____________________ and _____________ ...
... C. Inflationary Theory – predicts that there was a ________________________________ when the universe was very young, more extreme than predicted by ___________________________________! 1. Considered to be a ____________________ Big Bang Theory. 2. The universe ____________________ and _____________ ...
tire
... 13.8 billion years ago 380,000 years after Big Bang accelerating expansion Big Bang CMBR cold, dark and empty cosmological redshift dark energy dark matter ESA’s Planck inflation nucleosynthesis ordinary matter Arno Penzias and Robert Wilson redshift Type 1a supernovae WMAP Edwin Hubble ...
... 13.8 billion years ago 380,000 years after Big Bang accelerating expansion Big Bang CMBR cold, dark and empty cosmological redshift dark energy dark matter ESA’s Planck inflation nucleosynthesis ordinary matter Arno Penzias and Robert Wilson redshift Type 1a supernovae WMAP Edwin Hubble ...
Rachel Henning
... electrons are captured by nuclei to form neutral atoms. The Universe becomes transparent to light (photons stop interacting with free electrons) resulting in the formation of the Cosmic Background Radiation. After 1 billion years, the temperature is 20 K and galaxies and stars have begun to form via ...
... electrons are captured by nuclei to form neutral atoms. The Universe becomes transparent to light (photons stop interacting with free electrons) resulting in the formation of the Cosmic Background Radiation. After 1 billion years, the temperature is 20 K and galaxies and stars have begun to form via ...
This chapter has a brief overview of astronomical topics that we will
... of a second after this event. All of space and time was created in this "Big Bang". There was nothing before (as there was no time) and it was not an explosion in space (since space was created here). Why do we believe this? We see the galaxies flying apart from each other, the farthest moving faste ...
... of a second after this event. All of space and time was created in this "Big Bang". There was nothing before (as there was no time) and it was not an explosion in space (since space was created here). Why do we believe this? We see the galaxies flying apart from each other, the farthest moving faste ...
Image of the day
... The second piece of evidence is the Cosmic Microwave Background Radiation. The frequency of this radiation matches the theoretical frequency we should see for electromagnetic radiation when the universe first became transparent to photons. The fact that the radiation is essentially the same frequenc ...
... The second piece of evidence is the Cosmic Microwave Background Radiation. The frequency of this radiation matches the theoretical frequency we should see for electromagnetic radiation when the universe first became transparent to photons. The fact that the radiation is essentially the same frequenc ...
The Big Bang Theory
... • 13.8 billion years ago all the matter in the universe was very hot and dense • Since then, it has expanded and continues to expand **current theory** ...
... • 13.8 billion years ago all the matter in the universe was very hot and dense • Since then, it has expanded and continues to expand **current theory** ...
Lecture 1: Nucleosynthesis, solar composition, chondrites, volatility
... based on: 1) the observation of Edwin Hubble (1889-1953) that the galaxies were moving away from us 2) background cosmic microwave radiation can be “heard” – discovered by Penzias and Wilson ...
... based on: 1) the observation of Edwin Hubble (1889-1953) that the galaxies were moving away from us 2) background cosmic microwave radiation can be “heard” – discovered by Penzias and Wilson ...
Study Notes for Integrated Science Astronomy Unit These notes will
... In this part of the unit we learned about how we scientifically explain how our universe has come to be. We discussed from the beginning at singularity to the point at which the first stars began to form. The Big Bang Theory came about by scientists and observers realizing that our universe is expan ...
... In this part of the unit we learned about how we scientifically explain how our universe has come to be. We discussed from the beginning at singularity to the point at which the first stars began to form. The Big Bang Theory came about by scientists and observers realizing that our universe is expan ...
Astronomical Unit (AU)
... between the distance of the galaxies and the speed at which they are moving away from us • The farther away the galaxy, the faster it is receding (moving away) from the Earth. ...
... between the distance of the galaxies and the speed at which they are moving away from us • The farther away the galaxy, the faster it is receding (moving away) from the Earth. ...
Beginning With a Bang
... Distant galaxies moving away from Earth faster than close ones Discovery of cosmic background radiation ...
... Distant galaxies moving away from Earth faster than close ones Discovery of cosmic background radiation ...
ITB - In the Beginning
... tiny, hot, beginning – then expands. As the energy-universe expands, it cools enough for matter to form (E=mc2), then atoms to form. Mutual gravity pulls the Hydrogen and Helium into stars / galaxies – which continue to expand. ...
... tiny, hot, beginning – then expands. As the energy-universe expands, it cools enough for matter to form (E=mc2), then atoms to form. Mutual gravity pulls the Hydrogen and Helium into stars / galaxies – which continue to expand. ...
Big Bang
... In the Big Bang theory, it is thought that all the matter and energy that existed condensed, by ____gravity_________, until it became so ____dense_____ that the pressure caused it explode (BANG!!). Scientists think this explosion happened about ___15_____ _____billion years ago___________________. S ...
... In the Big Bang theory, it is thought that all the matter and energy that existed condensed, by ____gravity_________, until it became so ____dense_____ that the pressure caused it explode (BANG!!). Scientists think this explosion happened about ___15_____ _____billion years ago___________________. S ...
Life2
... Radiation seen today as microwave background radiation Most of early universe made of about ¾ hydrogen, ¼ helium and trace (.000,000,001) of lithium. No elements produced with an atomic number higher than lithium !!!!!! Heterogeneous universe from a homogenous one ? Quantum fluctuations in early uni ...
... Radiation seen today as microwave background radiation Most of early universe made of about ¾ hydrogen, ¼ helium and trace (.000,000,001) of lithium. No elements produced with an atomic number higher than lithium !!!!!! Heterogeneous universe from a homogenous one ? Quantum fluctuations in early uni ...
Presentation - Science in the News
... • Fusion: joining of atoms, release energy • Fission: splitting of atoms, release energy ...
... • Fusion: joining of atoms, release energy • Fission: splitting of atoms, release energy ...
Origin and Formation of the Universe – PowerPoint notes
... causing ______________________________________. 2. That radiation is called _______________________________________ and is thought to be radiation from the ________________________. 3. This radiation can be detected by common ________________ and __________________ antennae. (ex: ______________ on o ...
... causing ______________________________________. 2. That radiation is called _______________________________________ and is thought to be radiation from the ________________________. 3. This radiation can be detected by common ________________ and __________________ antennae. (ex: ______________ on o ...
File
... nuclear force, and weak nuclear force These forces are responsible for all interactions of matter. ...
... nuclear force, and weak nuclear force These forces are responsible for all interactions of matter. ...
P1_Physics_Summary_Topic_3
... Keywords: cosmic microwave background radiation, red shift, space probes, rovers ...
... Keywords: cosmic microwave background radiation, red shift, space probes, rovers ...
Origins Of The Universe
... All the matter in the Universe must have been compressed into a very small space, which exploded and expanded around 15 billion years ago (and is continuing today) The age of the Universe can be estimated by the current rate of expansion (although accuracy is a problem as it is difficult to iden ...
... All the matter in the Universe must have been compressed into a very small space, which exploded and expanded around 15 billion years ago (and is continuing today) The age of the Universe can be estimated by the current rate of expansion (although accuracy is a problem as it is difficult to iden ...
Formation of the Universe
... Nothing is beyond the expansion space curves and if you go the edge you will end up back at the start! ...
... Nothing is beyond the expansion space curves and if you go the edge you will end up back at the start! ...
The Big Bang Theory
... Once scientists understood that the universe was expanding, they immediately realized that it would have been smaller in the past. At some point in the past, the entire universe would have been a single point. This point, later called the big bang, was the beginning of the universe as we understand ...
... Once scientists understood that the universe was expanding, they immediately realized that it would have been smaller in the past. At some point in the past, the entire universe would have been a single point. This point, later called the big bang, was the beginning of the universe as we understand ...
August 29 - Astronomy
... As the universe expands, it cools. Currently its temperature is 2.73 K or –455 degrees F. But, as we run time back, the universe was much denser and much hotter. ...
... As the universe expands, it cools. Currently its temperature is 2.73 K or –455 degrees F. But, as we run time back, the universe was much denser and much hotter. ...