![exploring the solar system, the galaxies, and the](http://s1.studyres.com/store/data/000968914_1-9935ad46bc6b716c86b7712e28ea4fac-300x300.png)
exploring the solar system, the galaxies, and the
... Open the Amazing Space web site at http://amazing-space.stsci.edu/ in preparation for lab activities during which you will find resources to address specific Georgia Performance Standards related to Astronomy for grades 2, 4, and 6. Read these standards below, and select at least two topics for whic ...
... Open the Amazing Space web site at http://amazing-space.stsci.edu/ in preparation for lab activities during which you will find resources to address specific Georgia Performance Standards related to Astronomy for grades 2, 4, and 6. Read these standards below, and select at least two topics for whic ...
Quasars: Back to the Infant Universe
... tell us they are composed of hot gas orbiting something? Quasars appear extremely bright. Is this because they’re close to us or because they’re intrinsically luminous? What observations of quasars tell us they are small? What are Seyferts and Radio Galaxies? What is at the center of a galaxy that p ...
... tell us they are composed of hot gas orbiting something? Quasars appear extremely bright. Is this because they’re close to us or because they’re intrinsically luminous? What observations of quasars tell us they are small? What are Seyferts and Radio Galaxies? What is at the center of a galaxy that p ...
The Hubble Mission - Indiana University Astronomy
... of the universe began to speed up four to six billion years ago, when the Dark Energy's repulsive force began to overcome the attractive force of gravity over cosmic distances Supernovae measured with Hubble hint that Dark Energy's repulsive force is constant over cosmic time and so could be consist ...
... of the universe began to speed up four to six billion years ago, when the Dark Energy's repulsive force began to overcome the attractive force of gravity over cosmic distances Supernovae measured with Hubble hint that Dark Energy's repulsive force is constant over cosmic time and so could be consist ...
Student Literacy
... Stars in the sky have fascinated people throughout the ages. Many years ago when people were out tending their flocks, sailing their ships, traveling or just star gazing, they noticed how some stars were always visible at night. Other stars were only visible during certain months of the year. People ...
... Stars in the sky have fascinated people throughout the ages. Many years ago when people were out tending their flocks, sailing their ships, traveling or just star gazing, they noticed how some stars were always visible at night. Other stars were only visible during certain months of the year. People ...
Chapter 1 Section Misconception Truth Distances in the Universe
... Light and Telescopes Most telescopes use big lenses. The largest telescope with a big lens was made over 100 years ago; almost all modern telescopes depend on huge mirrors to collect light. ...
... Light and Telescopes Most telescopes use big lenses. The largest telescope with a big lens was made over 100 years ago; almost all modern telescopes depend on huge mirrors to collect light. ...
Forming disk galaxies in magneto-hydro
... SuperMUC has played a decisive role in making the present simulations possible. Within our project, we are currently working on substantially scaling up the numerical resolution and dynamic range achieved in our simulations of the formation of Milky Way-sized galaxies, thereby allowing a treatment o ...
... SuperMUC has played a decisive role in making the present simulations possible. Within our project, we are currently working on substantially scaling up the numerical resolution and dynamic range achieved in our simulations of the formation of Milky Way-sized galaxies, thereby allowing a treatment o ...
- ORIGINS Space Telescope
... reveal the first cosmic sources of dust, and probe the properties of the earliest star formation. Astrophysical dust comprises less than one-hundredth of one percent of the baryonic mass of the Universe, yet approximately one-half of all energy radiated by stars and accreting black holes over its hi ...
... reveal the first cosmic sources of dust, and probe the properties of the earliest star formation. Astrophysical dust comprises less than one-hundredth of one percent of the baryonic mass of the Universe, yet approximately one-half of all energy radiated by stars and accreting black holes over its hi ...
This lecture covers the origins of the Universe, Sun and our planet
... Penzias and Wilson, working at Bell Labs near Princeton, they were annoyed with the background noise they were seeing with their giant radio telescope. It was microwave radiation with a 3 K signal. Everywhere they pointed it existed. They tried to find all sorts of artifacts that may explain i ...
... Penzias and Wilson, working at Bell Labs near Princeton, they were annoyed with the background noise they were seeing with their giant radio telescope. It was microwave radiation with a 3 K signal. Everywhere they pointed it existed. They tried to find all sorts of artifacts that may explain i ...
Astronomy Rough Notes
... calculator. So to build a scale model of the TC and Chicago, you could use a pin head and a tic-tac separated by the width of a calculator. To include the Moon in this scale model, start with 1 m = 10 000 mi. The Moon would be 240 000 mi/10 000 mi or 24 m away, about on Hennepin Av from the classroo ...
... calculator. So to build a scale model of the TC and Chicago, you could use a pin head and a tic-tac separated by the width of a calculator. To include the Moon in this scale model, start with 1 m = 10 000 mi. The Moon would be 240 000 mi/10 000 mi or 24 m away, about on Hennepin Av from the classroo ...
the star
... traditional theory of the history of the Milky Way Possible solution: Later accumulation of gas, possibly due to mergers with smaller galaxies Recently discovered ring of stars around the Milky Way may be the remnant of such a merger http://www.sdss.org/news/releases/20030106.milkyway.html ...
... traditional theory of the history of the Milky Way Possible solution: Later accumulation of gas, possibly due to mergers with smaller galaxies Recently discovered ring of stars around the Milky Way may be the remnant of such a merger http://www.sdss.org/news/releases/20030106.milkyway.html ...
Candles in the Dark
... 2 Astronotes November 2006 works the other way around too. If you found a cepheid anywhere in the Universe, you could watch how long it took its brightness to go up and down, and this would tell you how bright it was. Comparing this with how bright it looks would give you how far away it was. Sudde ...
... 2 Astronotes November 2006 works the other way around too. If you found a cepheid anywhere in the Universe, you could watch how long it took its brightness to go up and down, and this would tell you how bright it was. Comparing this with how bright it looks would give you how far away it was. Sudde ...
The Life of a Star - Department of Physics and Astronomy
... signed up to be a massive star you read the fancy brochures that talked about how brightly you’d be shining and how you’d be visible from halfway across the galaxy. But you mo-rons must not have bothered to read the fine print that said that you’d explode in seven million years! And if you did read ...
... signed up to be a massive star you read the fancy brochures that talked about how brightly you’d be shining and how you’d be visible from halfway across the galaxy. But you mo-rons must not have bothered to read the fine print that said that you’d explode in seven million years! And if you did read ...
Astrophysics E1. This question is about stars.
... value of density determines whether or not universe will expand forever, or at some point, begin to contract; ● at density less than critical density, universe will expand forever; ● at density greater than critical density, universe will stop expanding and contract; If second and third marks gained ...
... value of density determines whether or not universe will expand forever, or at some point, begin to contract; ● at density less than critical density, universe will expand forever; ● at density greater than critical density, universe will stop expanding and contract; If second and third marks gained ...
Name: Period: ___ Date: ______ Light-year Calculation
... Astronomy Distances are so great in space that a special unit of measurement is used. It is called a light-year. This sounds like a measurement of time, but it is a unit used to measure distance. By definition a light-year is the distance that light travels in one year. To calculate the distance of ...
... Astronomy Distances are so great in space that a special unit of measurement is used. It is called a light-year. This sounds like a measurement of time, but it is a unit used to measure distance. By definition a light-year is the distance that light travels in one year. To calculate the distance of ...
young science communicator`s competition
... be 300 000 light years acrossNARRATOR: [Interrupting] May I remind the audience that a light year is a distance measure astronomers use, being the distance light travels in one year. One light year is ten trillion kilometres, making 300 000 light years an enormous distance! If Shapley's estimate is ...
... be 300 000 light years acrossNARRATOR: [Interrupting] May I remind the audience that a light year is a distance measure astronomers use, being the distance light travels in one year. One light year is ten trillion kilometres, making 300 000 light years an enormous distance! If Shapley's estimate is ...
Chapter 26
... • The most accepted theory of how the universe formed is the big bang theory. • It states that the universe started with a big bang, or explosion, and has been expanding ever since. • The big bang is not like an explosion of matter into empty space; it is the rapid expansion of space. ...
... • The most accepted theory of how the universe formed is the big bang theory. • It states that the universe started with a big bang, or explosion, and has been expanding ever since. • The big bang is not like an explosion of matter into empty space; it is the rapid expansion of space. ...
Galaxies Powerpoint
... What is a galaxy? • A galaxy is a large grouping of stars, gas, and dust in space that are held together by gravity. • The largest galaxies contain more than a trillion stars. Smaller galaxies may have only a few million. • Scientists estimate the number of stars from the size and brightness of the ...
... What is a galaxy? • A galaxy is a large grouping of stars, gas, and dust in space that are held together by gravity. • The largest galaxies contain more than a trillion stars. Smaller galaxies may have only a few million. • Scientists estimate the number of stars from the size and brightness of the ...
Main Types of Galaxies
... What is a galaxy? • A galaxy is a large grouping of stars, gas, and dust in space that are held together by gravity. • The largest galaxies contain more than a trillion stars. Smaller galaxies may have only a few million. • Scientists estimate the number of stars from the size and brightness of the ...
... What is a galaxy? • A galaxy is a large grouping of stars, gas, and dust in space that are held together by gravity. • The largest galaxies contain more than a trillion stars. Smaller galaxies may have only a few million. • Scientists estimate the number of stars from the size and brightness of the ...
GEK - National University of Singapore
... star from the earth, and one way to do that is through this technique, called stellar parallax. a) Explain how this is done? Parallax is the apparent shift of a foreground object relative to some distant background as the observer’s point of view changes. Astronomers make use this trick as a measure ...
... star from the earth, and one way to do that is through this technique, called stellar parallax. a) Explain how this is done? Parallax is the apparent shift of a foreground object relative to some distant background as the observer’s point of view changes. Astronomers make use this trick as a measure ...
Earth in the Universe Answer each in your binder or notebook. Date
... Question 21 Both Earth and Jupiter follow elliptical orbits around the Sun. The orbit of Jupiter is farther from the Sun than the orbit of Earth. How does this orbit affect the motion of Jupiter compared to Earth? A. Jupiter rotates more slowly on its axis. B. Jupiter revolves more slowly in its or ...
... Question 21 Both Earth and Jupiter follow elliptical orbits around the Sun. The orbit of Jupiter is farther from the Sun than the orbit of Earth. How does this orbit affect the motion of Jupiter compared to Earth? A. Jupiter rotates more slowly on its axis. B. Jupiter revolves more slowly in its or ...
Measuring Distances - Stockton University
... While in general galaxies follow the smooth expansion, the more distant ones moving faster away from us, other motions cause slight deviations from the line predicted by Hubble's Law. Few of the points fall exactly on the line. This is because all galaxies have some additional residual motion in add ...
... While in general galaxies follow the smooth expansion, the more distant ones moving faster away from us, other motions cause slight deviations from the line predicted by Hubble's Law. Few of the points fall exactly on the line. This is because all galaxies have some additional residual motion in add ...
File - Mr. Pelton Science
... collide to form strangely shaped galaxies or galaxies with more than one nucleus (Andromeda) ...
... collide to form strangely shaped galaxies or galaxies with more than one nucleus (Andromeda) ...
Nucleosynthesis in the Early Universe.
... We can now create deuterons from the protons and neutrons but there are so many photons (with energy greater than 2.233 MeV) that the deuterons break up almost immediately. This is known as the Deuteron Bottleneck- it causes a delay before the light nuclei can be formed. Eventually as T falls the n ...
... We can now create deuterons from the protons and neutrons but there are so many photons (with energy greater than 2.233 MeV) that the deuterons break up almost immediately. This is known as the Deuteron Bottleneck- it causes a delay before the light nuclei can be formed. Eventually as T falls the n ...
1 - Uplift North Hills Prep
... contained) in the distant past was very high; ● the temperature falls as the universe expands and so does the temperature of the radiation in the universe; ...
... contained) in the distant past was very high; ● the temperature falls as the universe expands and so does the temperature of the radiation in the universe; ...
Observable universe
![](https://commons.wikimedia.org/wiki/Special:FilePath/Observable_Universe_with_Measurements_01.png?width=300)
The observable universe consists of the galaxies and other matter that can, in principle, be observed from Earth at the present time because light and other signals from these objects has had time to reach the Earth since the beginning of the cosmological expansion. Assuming the universe is isotropic, the distance to the edge of the observable universe is roughly the same in every direction. That is, the observable universe is a spherical volume (a ball) centered on the observer. Every location in the Universe has its own observable universe, which may or may not overlap with the one centered on Earth.The word observable used in this sense does not depend on whether modern technology actually permits detection of radiation from an object in this region (or indeed on whether there is any radiation to detect). It simply indicates that it is possible in principle for light or other signals from the object to reach an observer on Earth. In practice, we can see light only from as far back as the time of photon decoupling in the recombination epoch. That is when particles were first able to emit photons that were not quickly re-absorbed by other particles. Before then, the Universe was filled with a plasma that was opaque to photons.The surface of last scattering is the collection of points in space at the exact distance that photons from the time of photon decoupling just reach us today. These are the photons we detect today as cosmic microwave background radiation (CMBR). However, with future technology, it may be possible to observe the still older relic neutrino background, or even more distant events via gravitational waves (which also should move at the speed of light). Sometimes astrophysicists distinguish between the visible universe, which includes only signals emitted since recombination—and the observable universe, which includes signals since the beginning of the cosmological expansion (the Big Bang in traditional cosmology, the end of the inflationary epoch in modern cosmology). According to calculations, the comoving distance (current proper distance) to particles from the CMBR, which represent the radius of the visible universe, is about 14.0 billion parsecs (about 45.7 billion light years), while the comoving distance to the edge of the observable universe is about 14.3 billion parsecs (about 46.6 billion light years), about 2% larger.The best estimate of the age of the universe as of 2015 is 7010137990000000000♠13.799±0.021 billion years but due to the expansion of space humans are observing objects that were originally much closer but are now considerably farther away (as defined in terms of cosmological proper distance, which is equal to the comoving distance at the present time) than a static 13.8 billion light-years distance. It is estimated that the diameter of the observable universe is about 28 gigaparsecs (91 billion light-years, 8.8×1026 metres or 5.5×1023 miles), putting the edge of the observable universe at about 46–47 billion light-years away.