UV Radiation in Different Stellar Systems
... assume that the most likely places to find evidence of life beyond Earth are those that have similar physical parameters to our home planet. Therefore, the main target for these kind of studies are the solar-type stars, which are similar to the Sun in mass and evolutionary state. In practical terms, ...
... assume that the most likely places to find evidence of life beyond Earth are those that have similar physical parameters to our home planet. Therefore, the main target for these kind of studies are the solar-type stars, which are similar to the Sun in mass and evolutionary state. In practical terms, ...
The Planets
... An asteroid is a small, rocky body whose diameter can range from a few hundred kilometers to less than a kilometer. Most asteroids lie between the orbits of Mars and Jupiter. They have orbital periods of three to six years. ...
... An asteroid is a small, rocky body whose diameter can range from a few hundred kilometers to less than a kilometer. Most asteroids lie between the orbits of Mars and Jupiter. They have orbital periods of three to six years. ...
Excellence
... the red giants which are still burning fuel but it makes sense when you compare their surface area and mass. White dwarfs have an extremely dense inner core, which means they have a small surface area but a large mass, which causes high temperature. Looking at the H/ R diagram you can tell that whit ...
... the red giants which are still burning fuel but it makes sense when you compare their surface area and mass. White dwarfs have an extremely dense inner core, which means they have a small surface area but a large mass, which causes high temperature. Looking at the H/ R diagram you can tell that whit ...
life
... Arguing from a single example is intrinsically unsafe — and there is clear selection bias (we exist!) ...
... Arguing from a single example is intrinsically unsafe — and there is clear selection bias (we exist!) ...
SES4U ~ The Formation of Our Solar Systemstudentcopy
... model where large chunks of material, some of which were metal + silicate, others predifferentiated as one or the other, violently coalesce to form the Earth. – Metal sinks to the core due to negative buoyancy (silicate is hot enough to be plastic and "squishy" if not actually molten). – Conditions ...
... model where large chunks of material, some of which were metal + silicate, others predifferentiated as one or the other, violently coalesce to form the Earth. – Metal sinks to the core due to negative buoyancy (silicate is hot enough to be plastic and "squishy" if not actually molten). – Conditions ...
Question 2 (7-1 thru 7-4 PPT Questions)
... Astronomical Unit: A unit of distance equal to the average distance between the Earth and the Sun. 1. Diameter of Sun (1.39 106 km) is about 110 times that of Earth (1.3 104 km). 2. Jupiter’s diameter is about 11 times that of Earth. 3. Pluto’s diameter is about 1/5 that of Earth. ...
... Astronomical Unit: A unit of distance equal to the average distance between the Earth and the Sun. 1. Diameter of Sun (1.39 106 km) is about 110 times that of Earth (1.3 104 km). 2. Jupiter’s diameter is about 11 times that of Earth. 3. Pluto’s diameter is about 1/5 that of Earth. ...
Chapter 10
... The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the most beautiful objects in the sky. We are interested in the interstellar medium because a) dense interstellar clouds are the birth place of stars b) Dark clouds alter and absorb the l ...
... The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the most beautiful objects in the sky. We are interested in the interstellar medium because a) dense interstellar clouds are the birth place of stars b) Dark clouds alter and absorb the l ...
Lecture 1
... • Primarily composed of rocks • In the Solar System (ONLY) orbital radii is less than that for giant planets • Much more massive terrestrial planets could exist (> 10 Earth masses), though none are present in the Solar System ...
... • Primarily composed of rocks • In the Solar System (ONLY) orbital radii is less than that for giant planets • Much more massive terrestrial planets could exist (> 10 Earth masses), though none are present in the Solar System ...
The search for exoplanets
... our planet Earth will become uninhabitable, but there is a need to find another habitable planet, if human mankind wants to survive. Out of all those reasons scientists tried to find exoplanets, but for a long time it was impossible to observe planets outside our Solar System, because of the lack of ...
... our planet Earth will become uninhabitable, but there is a need to find another habitable planet, if human mankind wants to survive. Out of all those reasons scientists tried to find exoplanets, but for a long time it was impossible to observe planets outside our Solar System, because of the lack of ...
To know that planets etc. move in elliptical orbits around the Sun.
... Label the positions of: greatest elongation, conjunction, opposition, transit and occultation ...
... Label the positions of: greatest elongation, conjunction, opposition, transit and occultation ...
Basics of Atmospheres and their Formation
... • The Oort Cloud of comets • Inferred from the observed orbits of comets which have their farthest points vastly farther away than Pluto. • About ½ light year from the sun – pretty much at the theoretical limit that objects can remain gravitationally bound to the sun for 5 billion years without gett ...
... • The Oort Cloud of comets • Inferred from the observed orbits of comets which have their farthest points vastly farther away than Pluto. • About ½ light year from the sun – pretty much at the theoretical limit that objects can remain gravitationally bound to the sun for 5 billion years without gett ...
PHYS3380_102615_bw
... We have observed disks around other stars. These could be new planetary systems in formation. ...
... We have observed disks around other stars. These could be new planetary systems in formation. ...
Starry Night¨ Times - October 2008
... planetary nebulae are best viewed at high magnification, you should start out low (40x) to find the object, and then try 100x and 200x. The name "planetary" is misleading, as these objects are not planets at all but stars at the end of their life cycle. However, they do look something like cloudy pl ...
... planetary nebulae are best viewed at high magnification, you should start out low (40x) to find the object, and then try 100x and 200x. The name "planetary" is misleading, as these objects are not planets at all but stars at the end of their life cycle. However, they do look something like cloudy pl ...
The Interstellar Medium
... A World of Interstellar Medium The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the most beautiful objects in the sky. We are interested in the interstellar ...
... A World of Interstellar Medium The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the most beautiful objects in the sky. We are interested in the interstellar ...
The Interstellar Medium
... A World of Interstellar Medium The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the most beautiful objects in the sky. We are interested in the interstellar ...
... A World of Interstellar Medium The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the most beautiful objects in the sky. We are interested in the interstellar ...
16 October 2006
... • Elements heavier than uranium do not occur naturally at all on earth. The longest-lived example is an isotope of plutonium with a half-life of 80 million years. • Of the hundreds of isotopes with half-lives under 100 million years, only a few are found naturally on earth. These are being formed co ...
... • Elements heavier than uranium do not occur naturally at all on earth. The longest-lived example is an isotope of plutonium with a half-life of 80 million years. • Of the hundreds of isotopes with half-lives under 100 million years, only a few are found naturally on earth. These are being formed co ...
Chapter 10: The Interstellar Medium - Otto
... Blue light is strongly scattered and absorbed by interstellar clouds. Red light can more easily penetrate the ...
... Blue light is strongly scattered and absorbed by interstellar clouds. Red light can more easily penetrate the ...
February 2007
... • We observe periodic changes in the starlight as the (dark) planet passes in front of the star ...
... • We observe periodic changes in the starlight as the (dark) planet passes in front of the star ...
Document
... a planet between Mars and Jupiter were broken up, thrown into the Sun, or ejected from the solar system. • This was due to the gravitational influence of massive Jupiter which formed first. • It induced high, destructive, collision speeds • This arrested the accumulation process ...
... a planet between Mars and Jupiter were broken up, thrown into the Sun, or ejected from the solar system. • This was due to the gravitational influence of massive Jupiter which formed first. • It induced high, destructive, collision speeds • This arrested the accumulation process ...
What makes a planet habitable?
... Wishing Upon The Right Kind Of Star That’s not the end of the story. While the size and composition of both planets and stars are important, so is time. Big bright stars burn out far more quickly than smaller ones. The brightest burn for only a few million years, then flame out. Meanwhile, our sun ha ...
... Wishing Upon The Right Kind Of Star That’s not the end of the story. While the size and composition of both planets and stars are important, so is time. Big bright stars burn out far more quickly than smaller ones. The brightest burn for only a few million years, then flame out. Meanwhile, our sun ha ...
The Interstellar Medium Chapter 10
... The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the most beautiful objects in the sky. We are interested in the interstellar medium because a) dense interstellar clouds are the birth place of stars b) Dark clouds alter and absorb the l ...
... The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the most beautiful objects in the sky. We are interested in the interstellar medium because a) dense interstellar clouds are the birth place of stars b) Dark clouds alter and absorb the l ...
Quentin Parker Lecture 1b - PowerPoint file.
... Paul Butler and Geoff Marcy were both at San Francisco State University when they confirmed the discovery of the planet around 51 Pegasi and went on to Discover a significant fraction of the planets that have been found around other stars so ...
... Paul Butler and Geoff Marcy were both at San Francisco State University when they confirmed the discovery of the planet around 51 Pegasi and went on to Discover a significant fraction of the planets that have been found around other stars so ...
File - Mrs. Ratzlaff
... I can describe the characteristics of a comet as it moves through its orbit around the Sun. I can use AUs to show the distances of the planets from the Sun. I can compare planets using their masses, rotations and revolutions. ...
... I can describe the characteristics of a comet as it moves through its orbit around the Sun. I can use AUs to show the distances of the planets from the Sun. I can compare planets using their masses, rotations and revolutions. ...