Which model predicts the youngest age for the universe today?
... B. An unknown form of energy that counteracts gravity and causes the expansion of the universe to accelerate. C. Any unknown force that acts like gravity D. Highly energetic particles that are believed to ...
... B. An unknown form of energy that counteracts gravity and causes the expansion of the universe to accelerate. C. Any unknown force that acts like gravity D. Highly energetic particles that are believed to ...
Hubblecast Episode 68: The Hubble time machine Visual notes 00
... even billions – right back to when the Universe was very young. We see these galaxies as they were in the very distant past. Galaxies near to us are fully formed, seen as sleek spirals and smooth ellipticals. As we travel further back, we see toddlers that are rough around the edges, still in the mi ...
... even billions – right back to when the Universe was very young. We see these galaxies as they were in the very distant past. Galaxies near to us are fully formed, seen as sleek spirals and smooth ellipticals. As we travel further back, we see toddlers that are rough around the edges, still in the mi ...
Historical overview
... Bang and the present. IF the expansion velocity was constant throughout the history of the Universe to the same value measured now (v=d/t=H*d with H0=70 km/s/Mpc), then the age of the Universe is 1/H0= 14 billion years (but see Lecture 7). ...
... Bang and the present. IF the expansion velocity was constant throughout the history of the Universe to the same value measured now (v=d/t=H*d with H0=70 km/s/Mpc), then the age of the Universe is 1/H0= 14 billion years (but see Lecture 7). ...
How big is the Universe? - Contemporary Science Issues
... • How and why do we “make a theory” and what do we need to support our theory? ...
... • How and why do we “make a theory” and what do we need to support our theory? ...
Bellringer - Madison County Schools
... • When fusion begins, the star blows out the most of the leftover particles. These particles are now the Oort Cloud. ...
... • When fusion begins, the star blows out the most of the leftover particles. These particles are now the Oort Cloud. ...
Cosmos & Contact - Access Research Network
... • Hugh Ross, in The Creator & the Cosmos, lists 22 more items besides these four. • Do we really have any evidence for 10100 universes to make this likely merely by chance? • The universe looks designed. • It seems to be sending us a message. ...
... • Hugh Ross, in The Creator & the Cosmos, lists 22 more items besides these four. • Do we really have any evidence for 10100 universes to make this likely merely by chance? • The universe looks designed. • It seems to be sending us a message. ...
TheExpansionoftheUniverse
... 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 readjusted to new constant and may cause major problem ...
... 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 readjusted to new constant and may cause major problem ...
Design and the Anthropic Principle
... nuclei containing both a proton and a neutron) would form during the cooling of the big bang. Deuterium is a powerful catalyst for subsequent nuclear burning in Stars. This extra deuterium would cause stars to burn much too rapidly to sustain life on any possible planet. On the other hand, if the ma ...
... nuclei containing both a proton and a neutron) would form during the cooling of the big bang. Deuterium is a powerful catalyst for subsequent nuclear burning in Stars. This extra deuterium would cause stars to burn much too rapidly to sustain life on any possible planet. On the other hand, if the ma ...
Slide 1
... observations can provide new information. Think back to the Theory Challenge Activity. What new technology and/or tool was mentioned? Greater telescopes and imaging technology ...
... observations can provide new information. Think back to the Theory Challenge Activity. What new technology and/or tool was mentioned? Greater telescopes and imaging technology ...
Theories
... Scientists believe that Solar Systems formed in similar ways. Giant clouds of dust and gas began to collapse under the weight of its own gravity. As it did so, the matter contained within it began to move in a giant circle, much like the water in a drain moves around the center of the drain in a cir ...
... Scientists believe that Solar Systems formed in similar ways. Giant clouds of dust and gas began to collapse under the weight of its own gravity. As it did so, the matter contained within it began to move in a giant circle, much like the water in a drain moves around the center of the drain in a cir ...
EXERCISES: Set 2 of 4 Q1: The absolute magnitude of the Sun in
... Q1: The absolute magnitude of the Sun in the optical V band is MV = 4.8. The brightness of the night sky at a dark astronomical site is 22 magnitudes per square arcsec in the V band. (a) At what distances would: (i) a star like the Sun, (ii) a globular cluster, (iii) a galaxy like the Milky Way be a ...
... Q1: The absolute magnitude of the Sun in the optical V band is MV = 4.8. The brightness of the night sky at a dark astronomical site is 22 magnitudes per square arcsec in the V band. (a) At what distances would: (i) a star like the Sun, (ii) a globular cluster, (iii) a galaxy like the Milky Way be a ...
update : Feb.27,2014
... living organisms of human size and stars would be small and short-lived. If nuclear forces were a few percent weaker, only hydrogen would be stable: there would be no periodic table, no chemistry and no life. Some would argue that this fine-tuning of the universe, which seems so providential, is not ...
... living organisms of human size and stars would be small and short-lived. If nuclear forces were a few percent weaker, only hydrogen would be stable: there would be no periodic table, no chemistry and no life. Some would argue that this fine-tuning of the universe, which seems so providential, is not ...
lecture1
... • Experiments and Observations can only be made from a very special point in space and time: Earth now. • Yet we would like to construct a scientific theory that describes the universe everywhere and at all times. ...
... • Experiments and Observations can only be made from a very special point in space and time: Earth now. • Yet we would like to construct a scientific theory that describes the universe everywhere and at all times. ...
Lecture 1
... Note that homogeneity does not imply isotropy, and that isotropy about a single point does not imply homogeneity. The cosmological principle states, “There is nothing special about our location in the universe.” This greatly simplifies our calculations (and seems to be true)! (The perfect cosmologic ...
... Note that homogeneity does not imply isotropy, and that isotropy about a single point does not imply homogeneity. The cosmological principle states, “There is nothing special about our location in the universe.” This greatly simplifies our calculations (and seems to be true)! (The perfect cosmologic ...
Tragedy vs. Hope: What Future in an Open Universe?
... forming in nucleosynthesis, but not so for oxygen, the succeeding element that would have depleted carbon otherwise. The evolution time to intelligent life is about half of the life time of a solar-like star, but not orders of magnitude longer. There are many more of such fine tunings of the univers ...
... forming in nucleosynthesis, but not so for oxygen, the succeeding element that would have depleted carbon otherwise. The evolution time to intelligent life is about half of the life time of a solar-like star, but not orders of magnitude longer. There are many more of such fine tunings of the univers ...
Measuring Distances: Mph (miles per hour): miles traveled per hour
... Theories can change if EVIDENCE supports the change. Theories about the origins of the universe include: Flat Earth Theory, Ptolemy Universe Theory, Copernicus Universe Theory, Kepler’s Universe Theory, Steady ...
... Theories can change if EVIDENCE supports the change. Theories about the origins of the universe include: Flat Earth Theory, Ptolemy Universe Theory, Copernicus Universe Theory, Kepler’s Universe Theory, Steady ...
New Directions
... superdense core There is about 1 SN every century in our galaxy, 1 every second in the Universe In a few weeks they emit more energy than the Sun does in a century ...
... superdense core There is about 1 SN every century in our galaxy, 1 every second in the Universe In a few weeks they emit more energy than the Sun does in a century ...
The Components and Origin of the Universe
... single raison and so it appears you are sitting still The ...
... single raison and so it appears you are sitting still The ...
Lecture 20, PPT version
... • if universe has been expanding at constant rate for all time, then all galaxies would have been on top of each other at time equal to 1/H0 Distance between any two galaxy clusters at the present day: distance = speed x time (the standard formula) speed = H0 x distance (Hubble’s Law, specifically) ...
... • if universe has been expanding at constant rate for all time, then all galaxies would have been on top of each other at time equal to 1/H0 Distance between any two galaxy clusters at the present day: distance = speed x time (the standard formula) speed = H0 x distance (Hubble’s Law, specifically) ...
ITB - In the Beginning
... from the city. It wasn't radiation from our galaxy or extraterrestrial radio sources. It wasn't even the pigeons living in the big, horn-shaped antenna. They kicked them out and swept out all their droppings. The source remained the same through four seasons, so it couldn't have come from the solar ...
... from the city. It wasn't radiation from our galaxy or extraterrestrial radio sources. It wasn't even the pigeons living in the big, horn-shaped antenna. They kicked them out and swept out all their droppings. The source remained the same through four seasons, so it couldn't have come from the solar ...
Lecture 1 Coordinate Systems - Department of Physics & Astronomy
... But Copernicus still hung on to perfect circles … could not predict planetary positions better then Ptolemy ...
... But Copernicus still hung on to perfect circles … could not predict planetary positions better then Ptolemy ...
The Big Bang Theory:
... D = distance of galaxy to earth • Galaxies are getting farther apart as time progresses, therefore the universe is expanding. – Not only is it expanding… it’s accelerating! ...
... D = distance of galaxy to earth • Galaxies are getting farther apart as time progresses, therefore the universe is expanding. – Not only is it expanding… it’s accelerating! ...
Then another Big Bang will occur and the
... As objects move away from the Earth they emit a Red Light called the Red Shift. This was seen using the Hubble Telescope. ...
... As objects move away from the Earth they emit a Red Light called the Red Shift. This was seen using the Hubble Telescope. ...