Chapter 12 section 1
... system. It included Earth, the Moon, the Sun, five planets— Mercury, Venus, Mars, Jupiter, and Saturn—and the stars. Sun-Centered Model In 1543, Nicholas Copernicus published his model of the solar system. He stated that Earth and the other planets revolved around the Sun and that the Moon revolved a ...
... system. It included Earth, the Moon, the Sun, five planets— Mercury, Venus, Mars, Jupiter, and Saturn—and the stars. Sun-Centered Model In 1543, Nicholas Copernicus published his model of the solar system. He stated that Earth and the other planets revolved around the Sun and that the Moon revolved a ...
Printable version: Pluto demoted -- from 9th planet to just a dwarf
... cleared away its tiny neighborhood of some 30 little nearby objects called "plutinos" that share its orbit. "We already have a bunch of dwarf planets, including Pluto," he said, "and no one has to remember all their names. But in Prague, they did the right thing the wrong way. I'm afraid they steppe ...
... cleared away its tiny neighborhood of some 30 little nearby objects called "plutinos" that share its orbit. "We already have a bunch of dwarf planets, including Pluto," he said, "and no one has to remember all their names. But in Prague, they did the right thing the wrong way. I'm afraid they steppe ...
The Astronomical Unit and Parallax Laboratory Worksheet
... a meter). In this range there are two prominent absorption lines, each produced by iron atoms in the outer layers of the Sun. In these graphs, a value of 1.0 corresponds to no absorption. ...
... a meter). In this range there are two prominent absorption lines, each produced by iron atoms in the outer layers of the Sun. In these graphs, a value of 1.0 corresponds to no absorption. ...
Reach for the Stars – Div. B
... X-ray “picture” of the Geminga pulsar taken with the XMM-Newton X-ray space observatory. It is an example of the remnants of a large mass star that died in a type II supernova explosion about 300,000 years ago leaving behind a rapidly rotating neutron star. It is 815 light years away (fairly close) ...
... X-ray “picture” of the Geminga pulsar taken with the XMM-Newton X-ray space observatory. It is an example of the remnants of a large mass star that died in a type II supernova explosion about 300,000 years ago leaving behind a rapidly rotating neutron star. It is 815 light years away (fairly close) ...
1 Introduction - University of Amsterdam
... star phase in which they expel the main part of their outer envelopes. Once the compact helium core is revealed it is identified as a Wolf-Rayet star. The supernova progenitor state (at the top of the diagram) determines the characteristics of the final explosion and therefore also the nature of the ...
... star phase in which they expel the main part of their outer envelopes. Once the compact helium core is revealed it is identified as a Wolf-Rayet star. The supernova progenitor state (at the top of the diagram) determines the characteristics of the final explosion and therefore also the nature of the ...
3/r -- this talks about the surface area vs the volume of a planet
... Troposphere - lowest layer - temp drops with altitude. the atmosphere is warmed by infrared light from the surface and convection. Stratosphere - above the troposphere - temp rises with altitude in the lower part and drop with altitude in the upper part. warmed by absorption of UV sunlight Thermosph ...
... Troposphere - lowest layer - temp drops with altitude. the atmosphere is warmed by infrared light from the surface and convection. Stratosphere - above the troposphere - temp rises with altitude in the lower part and drop with altitude in the upper part. warmed by absorption of UV sunlight Thermosph ...
Krupp (1999) broadly defines the interdisciplinary field
... from the horizon. Post hoc reasoning yields the following, other unique attributes of Sagittarius: Sagittarius culminates on the zenith at dusk on the vernal equinox (and, therefore, dawn on the autumnal equinox). Similarly, Sagittarius sets as the Sun rises on the winter solstice (and, therefore, r ...
... from the horizon. Post hoc reasoning yields the following, other unique attributes of Sagittarius: Sagittarius culminates on the zenith at dusk on the vernal equinox (and, therefore, dawn on the autumnal equinox). Similarly, Sagittarius sets as the Sun rises on the winter solstice (and, therefore, r ...
Agenda - Relativity Group
... – two stars in a binary system can be close enough to transfer mass from one to the other – gaining or losing mass will change the life path of a star ...
... – two stars in a binary system can be close enough to transfer mass from one to the other – gaining or losing mass will change the life path of a star ...
ASTR-264-Lecture
... Ultmate res comes from interference between waves, bigger telescopes have less intereference The lomit on angular resolution is known as the diffraction limit Refracting telescope: focuses light with lenses (very long, large heavy lenses) Reflecting telescope: focuses light with mirrors (much larger ...
... Ultmate res comes from interference between waves, bigger telescopes have less intereference The lomit on angular resolution is known as the diffraction limit Refracting telescope: focuses light with lenses (very long, large heavy lenses) Reflecting telescope: focuses light with mirrors (much larger ...
Colour - Magnitude Diagram for M 45
... exercise, you will determine the colour of many cluster members and plot them on a Colour-Magnitude diagram. This is just a type of Hertzsprung-Russell (HR) diagram in which we plot Colour Index rather than Spectral Class on the horizontal axis; and use the apparent visual magnitude, V, for the vert ...
... exercise, you will determine the colour of many cluster members and plot them on a Colour-Magnitude diagram. This is just a type of Hertzsprung-Russell (HR) diagram in which we plot Colour Index rather than Spectral Class on the horizontal axis; and use the apparent visual magnitude, V, for the vert ...
Document
... The collapsing cloud continues to deposit matter onto the accretion disk, and from there feeds the protostar. Like the planets, the accretion disk rotates around the protostar, with matter orbiting more rapidly in its inner parts than in the outer regions. This is because closer to the protostar, th ...
... The collapsing cloud continues to deposit matter onto the accretion disk, and from there feeds the protostar. Like the planets, the accretion disk rotates around the protostar, with matter orbiting more rapidly in its inner parts than in the outer regions. This is because closer to the protostar, th ...
Here
... in the form of cold molecular gas. This gas has a temperature of only a few tens of Kelvin above absolute zero. The clouds are mostly molecular hydrogen but over 100 different molecules have been detected in these clouds, including water, silicon dioxide, sulphur dioxide, ammonia, ethanol and methan ...
... in the form of cold molecular gas. This gas has a temperature of only a few tens of Kelvin above absolute zero. The clouds are mostly molecular hydrogen but over 100 different molecules have been detected in these clouds, including water, silicon dioxide, sulphur dioxide, ammonia, ethanol and methan ...
Could Planets orbiting Red Dwarf stars support Oxygenic
... - Although most stars orbit each other in groups of two or three, planets orbiting one or more stars may have strange, but not life impossible climates (2 or three Suns). - RDs are long lived – an apparent requirement for the evolution of complex life forms. - Although early RD star life is characte ...
... - Although most stars orbit each other in groups of two or three, planets orbiting one or more stars may have strange, but not life impossible climates (2 or three Suns). - RDs are long lived – an apparent requirement for the evolution of complex life forms. - Although early RD star life is characte ...
Summer Triangle (Winter in the south hemisphere) Lyra
... Deneb is a blue-white giant star at the tip of the Northern Cross. It is 1400 light-years away, and is the 19th brightest star in the sky - more than 54,00 times the Sun's luminosity - making it one of the most luminous stars in the Milky Way. Due to precession, Deneb was a pole star 18,000 years ag ...
... Deneb is a blue-white giant star at the tip of the Northern Cross. It is 1400 light-years away, and is the 19th brightest star in the sky - more than 54,00 times the Sun's luminosity - making it one of the most luminous stars in the Milky Way. Due to precession, Deneb was a pole star 18,000 years ag ...
Lab 2
... Due: 30 September 2008 (Tuesday in lab) Purpose: In this lab, you will be asked to take spectra with the 24” SBO spectrograph. The goal is to obtain descent high signal-to-noise spectra of stars having a variety of properties. One of the stars, Vega, will be used for “spectral flat-fielding” the oth ...
... Due: 30 September 2008 (Tuesday in lab) Purpose: In this lab, you will be asked to take spectra with the 24” SBO spectrograph. The goal is to obtain descent high signal-to-noise spectra of stars having a variety of properties. One of the stars, Vega, will be used for “spectral flat-fielding” the oth ...
Sidereal Time and Celestial Coordinates
... lines of Right Ascension & Declination lines of constant R.A. continually move in the sky as Earth rotates ...
... lines of Right Ascension & Declination lines of constant R.A. continually move in the sky as Earth rotates ...
Rosette Nebula - Westchester Amateur Astronomers
... Mars is getting larger all the time as we near closest approach at the end of May. That’s not surprising, since Mars is the closest planet to Earth through the end of summer. (Mercury, briefly, is nearly as close as Mars when it transits in the sun in May.) While Mars is still very small, even in a ...
... Mars is getting larger all the time as we near closest approach at the end of May. That’s not surprising, since Mars is the closest planet to Earth through the end of summer. (Mercury, briefly, is nearly as close as Mars when it transits in the sun in May.) While Mars is still very small, even in a ...
No Slide Title
... very stable pulsation modes. The presence of a planet will be revealed in anomalous timings, just as with pulsar planets ...
... very stable pulsation modes. The presence of a planet will be revealed in anomalous timings, just as with pulsar planets ...
Celestial Objects
... 1600 gave scientists a much more accurate view of space from Earth. Using measurements made while looking through telescopes, scientists such as Galileo Galilei demonstrated the truth of the heliocentric model. The Sun is the center of the solar system. What is the Sun? Earth’s Sun may seem differen ...
... 1600 gave scientists a much more accurate view of space from Earth. Using measurements made while looking through telescopes, scientists such as Galileo Galilei demonstrated the truth of the heliocentric model. The Sun is the center of the solar system. What is the Sun? Earth’s Sun may seem differen ...