File - Starry Starry Night!
... Many of the crater walls on Hyperion are bright, which suggests an abundance of water ice. Hyperion shows a dull reddish color with a low reflectivity which could be due to frozen carbon dioxide complexed with frozen water and other molecules, such as hydrocarbons. Another contributor might be metha ...
... Many of the crater walls on Hyperion are bright, which suggests an abundance of water ice. Hyperion shows a dull reddish color with a low reflectivity which could be due to frozen carbon dioxide complexed with frozen water and other molecules, such as hydrocarbons. Another contributor might be metha ...
Milky Way galaxy - Uplift North Hills Prep
... ■ diameter ~ 100,000 ly thickness ~ 2000 ly ■ it has a bulging central nucleus and spiral arms. ■ about 1011 stars = 100 billion stars. Counting - over 3000 years! ■ The total mass of all stars ≈ 3 ×1041 kg. ■ our Sun ~ 28,000 ly from the center. ...
... ■ diameter ~ 100,000 ly thickness ~ 2000 ly ■ it has a bulging central nucleus and spiral arms. ■ about 1011 stars = 100 billion stars. Counting - over 3000 years! ■ The total mass of all stars ≈ 3 ×1041 kg. ■ our Sun ~ 28,000 ly from the center. ...
nov14
... Saturn produces more internal Heat than Jupiter Even though Saturn is less massive and nearly as big as Jupiter, it produces 25% more heat per kg than Jupiter. Also Saturn’s atmosphere has only 3.3% He to Jupiter’s 13.6% although we think the overall composition of the two planets is about the ...
... Saturn produces more internal Heat than Jupiter Even though Saturn is less massive and nearly as big as Jupiter, it produces 25% more heat per kg than Jupiter. Also Saturn’s atmosphere has only 3.3% He to Jupiter’s 13.6% although we think the overall composition of the two planets is about the ...
The Copernican revolution
... Mars even changes directions and moves east to west relative to the stars, this is retrograde motion. One Greek philosopher, Aristarchus, proposed that it was the sun and not Earth that was at rest at the centre of the universe. He sad that the Earth and the five planets moved in circles around the ...
... Mars even changes directions and moves east to west relative to the stars, this is retrograde motion. One Greek philosopher, Aristarchus, proposed that it was the sun and not Earth that was at rest at the centre of the universe. He sad that the Earth and the five planets moved in circles around the ...
AST 301 Test #3 Friday Nov. 12 Name: 1. a) The Sun is in
... 1. a) The Sun is in hydrostatic equilibrium. What does this mean? What is the definition of hydrostatic equilibrium as we apply it to the Sun? Pressure inside the star pushing it apart balances gravity pulling it together. So it doesn’t change its size. 1. a) The Sun is in thermal equilibrium. What ...
... 1. a) The Sun is in hydrostatic equilibrium. What does this mean? What is the definition of hydrostatic equilibrium as we apply it to the Sun? Pressure inside the star pushing it apart balances gravity pulling it together. So it doesn’t change its size. 1. a) The Sun is in thermal equilibrium. What ...
Announcements
... We can’t see below the horizon (we can’t see through the Earth!). So, we need to have telescopes in different locations, and we have to think about the timing of the Earth’s rotation when planning observations. The Earth is constantly rotating, so a telescope has to constantly move to follow a star ...
... We can’t see below the horizon (we can’t see through the Earth!). So, we need to have telescopes in different locations, and we have to think about the timing of the Earth’s rotation when planning observations. The Earth is constantly rotating, so a telescope has to constantly move to follow a star ...
The Sun - MsLeeClass
... word strips and hang it on the front board Period 7 and P8: When done with this activity please read pg 414 and illustrate the size of the sun compared to other stars. Why does the sun seem so huge to us when in reality it is just an average size star? HOMEWORK Write 5 sentences about what you learn ...
... word strips and hang it on the front board Period 7 and P8: When done with this activity please read pg 414 and illustrate the size of the sun compared to other stars. Why does the sun seem so huge to us when in reality it is just an average size star? HOMEWORK Write 5 sentences about what you learn ...
Pocket Planetarium V17N3.indd
... an hour-and-a-half before daybreak and is a suitable target for small telescopes. Its atmospheric cloud bands and four Galilean moons are always an impressive sight. The crescent Moon will be 7 degrees to the right of Jupiter on the morning of August 3, and 5 ½ degrees to the right of the giant plan ...
... an hour-and-a-half before daybreak and is a suitable target for small telescopes. Its atmospheric cloud bands and four Galilean moons are always an impressive sight. The crescent Moon will be 7 degrees to the right of Jupiter on the morning of August 3, and 5 ½ degrees to the right of the giant plan ...
Name
... Base your answers to question 2 on the diagram below and on your knowledge of Earth science. The diagram represents a time-exposure photograph taken by aiming a camera at Polaris in the night sky and leaving the shutter open for a period of time to record star trails. The angular arcs (star trails) ...
... Base your answers to question 2 on the diagram below and on your knowledge of Earth science. The diagram represents a time-exposure photograph taken by aiming a camera at Polaris in the night sky and leaving the shutter open for a period of time to record star trails. The angular arcs (star trails) ...
GAIA Composition, Formation and Evolution of our Galaxy
... distances to 1% for 18 million stars to 2.5 kpc distances to 10% for 150 million stars to 25 kpc rare stellar types and rapid evolutionary phases in large numbers parallax calibration of all distance indicators e.g. Cepheids and RR Lyrae to LMC/SMC ...
... distances to 1% for 18 million stars to 2.5 kpc distances to 10% for 150 million stars to 25 kpc rare stellar types and rapid evolutionary phases in large numbers parallax calibration of all distance indicators e.g. Cepheids and RR Lyrae to LMC/SMC ...
What is a scientific model?
... ever made of planetary positions! • He still could not detect the stellar parallax, and thus thought that the Earth must be at the center of solar system (but recognized that other planets go around Sun). • He hired a brilliant mathematician, Kepler, who used his observations taken over many years ...
... ever made of planetary positions! • He still could not detect the stellar parallax, and thus thought that the Earth must be at the center of solar system (but recognized that other planets go around Sun). • He hired a brilliant mathematician, Kepler, who used his observations taken over many years ...
Space Quiz for CPS
... that the sun rotates? A. Solar winds causing magnetic storms. B. The sunspots that move across the sun, disappear, the reappear on the other side of sun C. There is no evidence that the sun rotates. ...
... that the sun rotates? A. Solar winds causing magnetic storms. B. The sunspots that move across the sun, disappear, the reappear on the other side of sun C. There is no evidence that the sun rotates. ...
Volcanism in our Solar System
... to visit our outer neighbors. We are learning new things about Io constantly and scientists always have their plates full with new and exciting data. The molten satellite still holds many mysteries, but we are slowly beginning to put the puzzle together. There are some things that we do know about t ...
... to visit our outer neighbors. We are learning new things about Io constantly and scientists always have their plates full with new and exciting data. The molten satellite still holds many mysteries, but we are slowly beginning to put the puzzle together. There are some things that we do know about t ...
Today in Astronomy 111: asteroids, perturbations and orbital
... an object, such as the nearby passage of a planet, will add up if they are in phase with the orbital motion of the object. If there are out of phase, then the perturbations will cancel on average and there will be no net change in the orbit of the object. 4 October 2011 ...
... an object, such as the nearby passage of a planet, will add up if they are in phase with the orbital motion of the object. If there are out of phase, then the perturbations will cancel on average and there will be no net change in the orbit of the object. 4 October 2011 ...
ring
... Jupiter: Key Concepts (1) Internal Structure: the interior of Jupiter is not uniform in density and temperature (2) Appearance: Jupiter‟s colored stripes are due to clouds formed at different levels in the atmosphere ...
... Jupiter: Key Concepts (1) Internal Structure: the interior of Jupiter is not uniform in density and temperature (2) Appearance: Jupiter‟s colored stripes are due to clouds formed at different levels in the atmosphere ...
Comets - Cloudfront.net
... • her afternoon nap. Bruised , but not badly injured, she is one of only two people known to have been struck by a meteorite. ...
... • her afternoon nap. Bruised , but not badly injured, she is one of only two people known to have been struck by a meteorite. ...
Formation and evolution of the Solar System
The formation of the Solar System began 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. Most of the collapsing mass collected in the center, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar System bodies formed.This widely accepted model, known as the nebular hypothesis, was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace. Its subsequent development has interwoven a variety of scientific disciplines including astronomy, physics, geology, and planetary science. Since the dawn of the space age in the 1950s and the discovery of extrasolar planets in the 1990s, the model has been both challenged and refined to account for new observations.The Solar System has evolved considerably since its initial formation. Many moons have formed from circling discs of gas and dust around their parent planets, while other moons are thought to have formed independently and later been captured by their planets. Still others, such as the Moon, may be the result of giant collisions. Collisions between bodies have occurred continually up to the present day and have been central to the evolution of the Solar System. The positions of the planets often shifted due to gravitational interactions. This planetary migration is now thought to have been responsible for much of the Solar System's early evolution.In roughly 5 billion years, the Sun will cool and expand outward many times its current diameter (becoming a red giant), before casting off its outer layers as a planetary nebula and leaving behind a stellar remnant known as a white dwarf. In the far distant future, the gravity of passing stars will gradually reduce the Sun's retinue of planets. Some planets will be destroyed, others ejected into interstellar space. Ultimately, over the course of tens of billions of years, it is likely that the Sun will be left with none of the original bodies in orbit around it.