Origin of the Solar System – Notes Rings encircle Jupiter, Saturn
... liquids, or gases. Hydrogen and helium are gaseous except at extremely low temperatures. By contrast, rockforming substances such as iron and silicon are solids except at temperatures well above 700°C. The Jovian planets are sometimes called “gas giants.” It is true that their primary constituents, ...
... liquids, or gases. Hydrogen and helium are gaseous except at extremely low temperatures. By contrast, rockforming substances such as iron and silicon are solids except at temperatures well above 700°C. The Jovian planets are sometimes called “gas giants.” It is true that their primary constituents, ...
First Light Sources at the End of the Dark Ages: Direct
... begun. Thus, near-infrared observations of these dwarfs could reveal strong Lyman ! and He II emission detectable by large ground-based telescopes, and possibly a rest-frame ultraviolet continuum observable from the ground and/or with the JWST. By 2016, the JWST and/or ground-based surveys will reg ...
... begun. Thus, near-infrared observations of these dwarfs could reveal strong Lyman ! and He II emission detectable by large ground-based telescopes, and possibly a rest-frame ultraviolet continuum observable from the ground and/or with the JWST. By 2016, the JWST and/or ground-based surveys will reg ...
Unit 5: Space Exploration Topic 1: Our Eyes Only • Define FRAME
... discovered moon blemishes that lead to the Moon having craters and mountains on it. He observed the sun spots moving over the surface which lead to the sun rotating on its axis. He observed Jupiter had moons that orbited it. Lastly he observed that the stars are much farther away than the planets. • ...
... discovered moon blemishes that lead to the Moon having craters and mountains on it. He observed the sun spots moving over the surface which lead to the sun rotating on its axis. He observed Jupiter had moons that orbited it. Lastly he observed that the stars are much farther away than the planets. • ...
• This chapter concentrates on five goals:
... At the bend of the handle of the Big Dipper lies a pair of stars, Mizar and Alcor. Through a telescope you can discover that Mizar has a fainter companion and so is a member of a visual binary system. Adaptive optics observations have discovered a faint close companion of Alcor, not pictured in thi ...
... At the bend of the handle of the Big Dipper lies a pair of stars, Mizar and Alcor. Through a telescope you can discover that Mizar has a fainter companion and so is a member of a visual binary system. Adaptive optics observations have discovered a faint close companion of Alcor, not pictured in thi ...
American Scientist
... in the field of astronomy and astrophysics is planet formation: the study of how planets (in our Solar System) and exoplanets (orbiting other stars) form. Astronomers harness the power of telescopes with meter-sized or larger mirrors to search the night sky for exoplanets—and they find loads of them ...
... in the field of astronomy and astrophysics is planet formation: the study of how planets (in our Solar System) and exoplanets (orbiting other stars) form. Astronomers harness the power of telescopes with meter-sized or larger mirrors to search the night sky for exoplanets—and they find loads of them ...
Astronomy - SparkNotes
... intensity versus wavelength for a blackbody. 2. Atomic lines: According to quantum mechanics, electrons bound to an atom can only have particular values of energy; they are unique to that element. Absorption or emission of a photon of light by the atom occurs when the energy of that photon matches t ...
... intensity versus wavelength for a blackbody. 2. Atomic lines: According to quantum mechanics, electrons bound to an atom can only have particular values of energy; they are unique to that element. Absorption or emission of a photon of light by the atom occurs when the energy of that photon matches t ...
jackie822 beanerbutt777 life cycle of a star
... http://solarsystem.nasa.gov/multimedia/gallery/prominence.gif ...
... http://solarsystem.nasa.gov/multimedia/gallery/prominence.gif ...
The Final Flight of Atlantis - Westchester Amateur Astronomers
... launched in 2014. Its 6.5 meter mirror will look at infrared light to see through the dusty clouds of our Milky Way and reveal stars forming planetary systems. The model of the Webb, the size of a tennis court, was in New York City for the World Festival of Science in early June. Bob used a Canon Re ...
... launched in 2014. Its 6.5 meter mirror will look at infrared light to see through the dusty clouds of our Milky Way and reveal stars forming planetary systems. The model of the Webb, the size of a tennis court, was in New York City for the World Festival of Science in early June. Bob used a Canon Re ...
Two-Gyro Performance, Scheduling and Acquisitions
... Two issues contributed to the 2006 increase 1. Identified a bug in the GSC2 catalog construction in late Summer as a result of some preliminary Coma Galaxy Cluster observations. ...
... Two issues contributed to the 2006 increase 1. Identified a bug in the GSC2 catalog construction in late Summer as a result of some preliminary Coma Galaxy Cluster observations. ...
Lecture 14: Star Formation
... Result is a flat, rotating disk of gas & dust around the equator of the protostar. Clearing out the Disk After the protostar forms, the disk begins to clear away: Some of the matter drains onto the star ...
... Result is a flat, rotating disk of gas & dust around the equator of the protostar. Clearing out the Disk After the protostar forms, the disk begins to clear away: Some of the matter drains onto the star ...
Characteristics of Stars
... Astronomers classify stars according to their physical characteristics. Characteristics used to classify stars include color, temperature, size, composition, and brightness. Stars vary in their chemical composition. Astronomers use spectrographs to determine the elements found in stars. A spectrogra ...
... Astronomers classify stars according to their physical characteristics. Characteristics used to classify stars include color, temperature, size, composition, and brightness. Stars vary in their chemical composition. Astronomers use spectrographs to determine the elements found in stars. A spectrogra ...
Student 1
... Red dwarfs are often covered by starspots, reducing stellar output by as much as 40% for months at a time. At other times, some red dwarfs, called flare stars, can emit gigantic flares, doubling their brightness in minutes. These are the result of the convection currents .Barnard’s star was thought ...
... Red dwarfs are often covered by starspots, reducing stellar output by as much as 40% for months at a time. At other times, some red dwarfs, called flare stars, can emit gigantic flares, doubling their brightness in minutes. These are the result of the convection currents .Barnard’s star was thought ...
Exploration of the Milky Way and Nearby galaxies
... However, verification of the iron-deficiency and measurements of additional elements, such as the alpha-element Mg, are mandatory for demonstrating that the same type of stars produced the metals found in dwarf galaxies and the Galactic halo. Frebel et al. showed that the overall abundance pattern m ...
... However, verification of the iron-deficiency and measurements of additional elements, such as the alpha-element Mg, are mandatory for demonstrating that the same type of stars produced the metals found in dwarf galaxies and the Galactic halo. Frebel et al. showed that the overall abundance pattern m ...
galaxy - 106Thursday130-430
... indicates that they may be as old as 15 billion years and are the oldest components of the galaxy. This implies that the galaxy itself is at least 15 billion years old. ...
... indicates that they may be as old as 15 billion years and are the oldest components of the galaxy. This implies that the galaxy itself is at least 15 billion years old. ...
1/2016
... Distance = approximately 887 light years Description: Delta Cephei is the prototype of the Cepheid class of variable stars. With a change in visual magnitude of 3.5 to 4.4, delta Cephei’s entire range of variability can be observed with the unaided eye. Its period of 5.366 days makes it an attractiv ...
... Distance = approximately 887 light years Description: Delta Cephei is the prototype of the Cepheid class of variable stars. With a change in visual magnitude of 3.5 to 4.4, delta Cephei’s entire range of variability can be observed with the unaided eye. Its period of 5.366 days makes it an attractiv ...
Big idea # 5 * Earth in space in time
... SC.8.E.5.1 Recognize that there are enormous distances between objects in space and apply our knowledge of light and space travel to understand this distance. SC.8.E.5.2 Recognize that the universe contains many billions of galaxies and that each galaxy contains many billions of stars. SC.8.E.5.3 Di ...
... SC.8.E.5.1 Recognize that there are enormous distances between objects in space and apply our knowledge of light and space travel to understand this distance. SC.8.E.5.2 Recognize that the universe contains many billions of galaxies and that each galaxy contains many billions of stars. SC.8.E.5.3 Di ...
Lec2015_22
... • The Sun is a typical Population I star, formed from gas that has experienced a number of generations/cycles of enrichment by massive stars and Type I supernovae. Population I stars comprise the stellar content of the disk of our Galaxy, with ages <9Gyr (white dwarf age for Galactic Disk – Lecture ...
... • The Sun is a typical Population I star, formed from gas that has experienced a number of generations/cycles of enrichment by massive stars and Type I supernovae. Population I stars comprise the stellar content of the disk of our Galaxy, with ages <9Gyr (white dwarf age for Galactic Disk – Lecture ...
Star Types - College of Engineering and Computer Science
... While the exterior layers expand, the helium core continues to contract, while growing in mass, and eventually becomes hot enough (100 million Kelvin) for helium to begin to fuse into carbon Carbon ash is deposited in core and eventually a helium-burning shell develops. This shell is itself surround ...
... While the exterior layers expand, the helium core continues to contract, while growing in mass, and eventually becomes hot enough (100 million Kelvin) for helium to begin to fuse into carbon Carbon ash is deposited in core and eventually a helium-burning shell develops. This shell is itself surround ...
ph507rev1
... parallax accuracy to 0.001” within a few years. Before 1990, fewer than 10,000 stellar parallaxes had been measured (and only 500 known well), but there are about 1012 stars in our Galaxy. Space observations made by the European Space Agency with the Hipparcos mission (1989-1993) accurately determin ...
... parallax accuracy to 0.001” within a few years. Before 1990, fewer than 10,000 stellar parallaxes had been measured (and only 500 known well), but there are about 1012 stars in our Galaxy. Space observations made by the European Space Agency with the Hipparcos mission (1989-1993) accurately determin ...