Unit 1
... observing comets, and kept finding objects that while fuzzy, were not comets – He made a list (or catalog) of these undesired objects, so he could avoid seeing them – They became known as Messier Objects, a number preceded by an M. – M31 (the Andromeda galaxy) is one such object ...
... observing comets, and kept finding objects that while fuzzy, were not comets – He made a list (or catalog) of these undesired objects, so he could avoid seeing them – They became known as Messier Objects, a number preceded by an M. – M31 (the Andromeda galaxy) is one such object ...
Written in the stars THE NOBEL PRIZE IN PHYSICS 2011
... This year’s Nobel Laureates expected to measure the cosmic deceleration, or how the expansion of the Universe is slowing. Their method was in principle the same as the one used by astronomers more than six decades earlier: to locate distant stars and to measure how they move. However, that is easier ...
... This year’s Nobel Laureates expected to measure the cosmic deceleration, or how the expansion of the Universe is slowing. Their method was in principle the same as the one used by astronomers more than six decades earlier: to locate distant stars and to measure how they move. However, that is easier ...
Chapter 1-Thinking about the universe
... group of people about what the universe truly is a vast collection of starts that orbit around the sun. At the end of his lecture, an old woman stood up and said that what he said was rubbish and that the world was really a flat disk supported on the back of turtle on top of an infinite tower of tur ...
... group of people about what the universe truly is a vast collection of starts that orbit around the sun. At the end of his lecture, an old woman stood up and said that what he said was rubbish and that the world was really a flat disk supported on the back of turtle on top of an infinite tower of tur ...
Temperature–Time Relation
... The temperature–time relation for a cosmological model describes how the Universe's temperature changes as it ages. Since the temperature of a gas of particles is a measure of the energy of the individual particles, this relation also indicates the types of particle interactions that are prevalent a ...
... The temperature–time relation for a cosmological model describes how the Universe's temperature changes as it ages. Since the temperature of a gas of particles is a measure of the energy of the individual particles, this relation also indicates the types of particle interactions that are prevalent a ...
TheExpansionoftheUniverse
... accurately calculate the expansion of the universe. As technology advances people will be able even more accurately find the distance of objects which will define more clearly Hubble’s constant. However this is also a problem as Hubble constant, will change- this will mean everything else must be re ...
... accurately calculate the expansion of the universe. As technology advances people will be able even more accurately find the distance of objects which will define more clearly Hubble’s constant. However this is also a problem as Hubble constant, will change- this will mean everything else must be re ...
Miss Nevoral - Ms. Nevoral`s site
... 2. Explain why scientific theories are not considered the final truth/fact about something. Theories are developed with existing information. The main ideas about a theory may change if new evidence arises or there is a breakthrough with technology, etc. Therefore, we can not say that a theory is a ...
... 2. Explain why scientific theories are not considered the final truth/fact about something. Theories are developed with existing information. The main ideas about a theory may change if new evidence arises or there is a breakthrough with technology, etc. Therefore, we can not say that a theory is a ...
The Universe - IES Alyanub
... that contains many thousands of asteroids. Asteroids are large pieces of rock, ice and metal that altogether are estimated to be 4% the weight of our moon. Also floating around the solar system are Dwarf Planets. This is a new classification that was introduced in 2006. There are 3 dwarf planets in ...
... that contains many thousands of asteroids. Asteroids are large pieces of rock, ice and metal that altogether are estimated to be 4% the weight of our moon. Also floating around the solar system are Dwarf Planets. This is a new classification that was introduced in 2006. There are 3 dwarf planets in ...
Questions - Clever Teach
... Full marks could be obtained by a clear description of the observation of red-shift of light from galaxies together with either an appreciation of its significance in terms of an expanding universe or some detail about the process. This should lead to a brief description about how this supported the ...
... Full marks could be obtained by a clear description of the observation of red-shift of light from galaxies together with either an appreciation of its significance in terms of an expanding universe or some detail about the process. This should lead to a brief description about how this supported the ...
Astronomy- The Original Science
... very precise observations of the planets and stars that helped future astronomers. ...
... very precise observations of the planets and stars that helped future astronomers. ...
Matter and Atoms
... speeds. This fusing makes one helium atom and releases large amounts of heat and light. What is a supernova? the implosion that marks the death of a very large star; stars die when they run out of hydrogen to burn How did we get an element rich universe? the process of nebula to fusion to supernova ...
... speeds. This fusing makes one helium atom and releases large amounts of heat and light. What is a supernova? the implosion that marks the death of a very large star; stars die when they run out of hydrogen to burn How did we get an element rich universe? the process of nebula to fusion to supernova ...
NEW GCSE REVISION Beginning of the Universe - crypt
... The further away a distant galaxy is, the ______________ the speed at which it is moving away from us. ii) All the distant galaxies are moving ______________ from each other. b) i) The Universe must be ______________ because all the distant galaxies are moving away from each other. ii) The most dist ...
... The further away a distant galaxy is, the ______________ the speed at which it is moving away from us. ii) All the distant galaxies are moving ______________ from each other. b) i) The Universe must be ______________ because all the distant galaxies are moving away from each other. ii) The most dist ...
WHY I BELIEVE THAT THERE IS GOD?
... Speed of Light = 186,000 miles per second Travels 7.5 times around the entire world in just 1 second Can travel 6 trillion miles in a year ...
... Speed of Light = 186,000 miles per second Travels 7.5 times around the entire world in just 1 second Can travel 6 trillion miles in a year ...
OCN 201 The Scientific Method applied to Origin of the Universe
... The Big Bang Theory Age of the Universe can be estimated from the rate of expansion and the distance to distant galaxies. Universe is 13.7 +/- 0.2 billion years old. Universe was created by a “big bang”: explosive expansion of a “singularity”: an apparent discontinuity in space-time. We have so far ...
... The Big Bang Theory Age of the Universe can be estimated from the rate of expansion and the distance to distant galaxies. Universe is 13.7 +/- 0.2 billion years old. Universe was created by a “big bang”: explosive expansion of a “singularity”: an apparent discontinuity in space-time. We have so far ...
Survey of the Universe
... units.) Reminder – the heaviest particle discovered to date is the top quark with mass 170 GeV or 170 protons. Candidate particles that theoretical astrophysicists talk about: • WIMPZILLA’s – WIMPs are “Weakly Interacting Massive Particles”, a dark matter candidate particle • “Topological defects” – ...
... units.) Reminder – the heaviest particle discovered to date is the top quark with mass 170 GeV or 170 protons. Candidate particles that theoretical astrophysicists talk about: • WIMPZILLA’s – WIMPs are “Weakly Interacting Massive Particles”, a dark matter candidate particle • “Topological defects” – ...
Problem Set # 8: The Last Problem Set Due Wednesday, December
... 3) [20 points] The temperature of the cosmic background light today is T ≈ 2.7 K. At the time of Big Bang Nucleosynthesis, the temperature of the cosmic background light was T ≈ 5 × 108 K. What was the scale factor a at the time of Big Bang Nucleosynthesis? If the density of ordinary matter today i ...
... 3) [20 points] The temperature of the cosmic background light today is T ≈ 2.7 K. At the time of Big Bang Nucleosynthesis, the temperature of the cosmic background light was T ≈ 5 × 108 K. What was the scale factor a at the time of Big Bang Nucleosynthesis? If the density of ordinary matter today i ...
Local Group Dwarfs
... Also, all times are equal. Meaning? Planck mass = black hole that exists for Planck time! ...
... Also, all times are equal. Meaning? Planck mass = black hole that exists for Planck time! ...
What is the universe???
... • The Earth wobbles in space so that it’s tilt changes about 25 degrees…every 41,000 years • Change in tilt = Change in intensity of seasons • When spring/summer is milder, ice and snow ...
... • The Earth wobbles in space so that it’s tilt changes about 25 degrees…every 41,000 years • Change in tilt = Change in intensity of seasons • When spring/summer is milder, ice and snow ...
light energy
... • Distances can be deceiving: Bright stars look close, but may be very far away Star Approx. Distance (LY) P. Centari ...
... • Distances can be deceiving: Bright stars look close, but may be very far away Star Approx. Distance (LY) P. Centari ...
Word
... of the Universe. In fact, Einstein in 1917, just two years after formulating General Relativity, applied the Cosmological Principle to GR and came within an ace of predicting the expansion of the Universe some 12 years before it was discovered by Hubble. He actually found that static Universes were ...
... of the Universe. In fact, Einstein in 1917, just two years after formulating General Relativity, applied the Cosmological Principle to GR and came within an ace of predicting the expansion of the Universe some 12 years before it was discovered by Hubble. He actually found that static Universes were ...
Our Place In the Universe
... How did we come to be? How can we know what the universe was like in the past? Can we see the entire universe? ...
... How did we come to be? How can we know what the universe was like in the past? Can we see the entire universe? ...
CHAPTER 29 STARS 240 points
... star’s motion. Motion between the source of light and the observer cause the spectral lines to shift in wavelength. Depending on whether the wavelength is shorter or longer, the observer can determine if the star is moving toward or away from Earth. These shifts are called blueshifts and redshifts. ...
... star’s motion. Motion between the source of light and the observer cause the spectral lines to shift in wavelength. Depending on whether the wavelength is shorter or longer, the observer can determine if the star is moving toward or away from Earth. These shifts are called blueshifts and redshifts. ...
Universe and Stars Project Final Due Date
... 1. Describe how the Universe was formed and provide at least 3 pieces of evidence of the Big Bang. ( LT A) Make sure you include what red shift and steady state means. http://www.schoolsobservatory.org.uk/astro/cosmos/bb_evid 2. Describe scientific explanations and conditions that explain and contri ...
... 1. Describe how the Universe was formed and provide at least 3 pieces of evidence of the Big Bang. ( LT A) Make sure you include what red shift and steady state means. http://www.schoolsobservatory.org.uk/astro/cosmos/bb_evid 2. Describe scientific explanations and conditions that explain and contri ...
chapter_5_lecture_notes
... Approximately 15 billion years ago the universe was created During this explosive event all matter and energy in the universe came into being All matter and energy were once concentrated into a very small, dense object, about the size of an atom ...
... Approximately 15 billion years ago the universe was created During this explosive event all matter and energy in the universe came into being All matter and energy were once concentrated into a very small, dense object, about the size of an atom ...
Non-standard cosmology
A non-standard cosmology is any physical cosmological model of the universe that has been, or still is, proposed as an alternative to the Big Bang model of standard physical cosmology. In the history of cosmology, various scientists and researchers have disputed parts or all of the Big Bang due to a rejection or addition of fundamental assumptions needed to develop a theoretical model of the universe. From the 1940s to the 1960s, the astrophysical community was equally divided between supporters of the Big Bang theory and supporters of a rival steady state universe. It was not until advances in observational cosmology in the late 1960s that the Big Bang would eventually become the dominant theory, and today there are few active researchers who dispute it.The term non-standard is applied to any cosmological theory that does not conform to the scientific consensus, but is not used in describing alternative models where no consensus has been reached, and is also used to describe theories that accept a ""big bang"" occurred but differ as to the detailed physics of the origin and evolution of the universe. Because the term depends on the prevailing consensus, the meaning of the term changes over time. For example, hot dark matter would not have been considered non-standard in 1990, but would be in 2010. Conversely, a non-zero cosmological constant resulting in an accelerating universe would have been considered non-standard in 1990, but is part of the standard cosmology in 2010.