The Classification of Stellar Spectra
... layers. Thus the spectra observed is from the exposed stellar interior rather than the normal surface material. The broadness of the lines also indicates that the material observed may be from high velocity gases streaming away from the star, with the range of velocities smearing out the observed li ...
... layers. Thus the spectra observed is from the exposed stellar interior rather than the normal surface material. The broadness of the lines also indicates that the material observed may be from high velocity gases streaming away from the star, with the range of velocities smearing out the observed li ...
Draco: The Dragon - Courtney Stookey
... The name Draco comes from the Latin term ‘draconem’, which means ‘huge serpent’. The Draco constellation quite literally looks like a snake slithering through the northern sky. While it’s not a very prominent constellation, it is still the 8th largest. There are quite a few versions of Greek mytholo ...
... The name Draco comes from the Latin term ‘draconem’, which means ‘huge serpent’. The Draco constellation quite literally looks like a snake slithering through the northern sky. While it’s not a very prominent constellation, it is still the 8th largest. There are quite a few versions of Greek mytholo ...
Sun - Blackboard
... The previous chapter took you on a cosmic zoom through space and time. That quick preview only sets the stage for the drama to come. Now it is time to return to Earth and look closely at the sky and answer four ...
... The previous chapter took you on a cosmic zoom through space and time. That quick preview only sets the stage for the drama to come. Now it is time to return to Earth and look closely at the sky and answer four ...
K-3 Planetarium Lesson: Our Skies
... earth, they seem to be tiny. Ask what else they see. Point out the band of the Milky Way (lots of stars together!). Somebody might think of the moon. If it is visible, point it out. Mention how we sometimes don’t see the moon because only the dark side (not lit by the sun) is facing us. Say that som ...
... earth, they seem to be tiny. Ask what else they see. Point out the band of the Milky Way (lots of stars together!). Somebody might think of the moon. If it is visible, point it out. Mention how we sometimes don’t see the moon because only the dark side (not lit by the sun) is facing us. Say that som ...
Aug 2015 supplement - Hermanus Astronomy
... Big Bang, the universe was full of a fog of hydrogen gas. But as more and more brilliant sources - both stars and quasars powered by huge black holes started to shine, they cleared away the mist and made the universe transparent to ultraviolet light. Astronomers call this the epoch of reionisation, ...
... Big Bang, the universe was full of a fog of hydrogen gas. But as more and more brilliant sources - both stars and quasars powered by huge black holes started to shine, they cleared away the mist and made the universe transparent to ultraviolet light. Astronomers call this the epoch of reionisation, ...
space
... SPACE ASTEROI D-One of many small planets whose orbits lie between !he,orbits of Mars and Jupiter. CONSTELLATION'-A group .or configuration. of many stars that form a definite pattern in the sky, ...
... SPACE ASTEROI D-One of many small planets whose orbits lie between !he,orbits of Mars and Jupiter. CONSTELLATION'-A group .or configuration. of many stars that form a definite pattern in the sky, ...
9. Lectures on Star Formation.
... Pre-main-sequence phase. -The star’s mass remains largely constant. Stellar object has become visible in optical and near-infrared light. -Accretion is ongoing but at a much lower rate. -After about 5 million years from the start, the disk is mostly gone, and the Jovian planets can be formed. During ...
... Pre-main-sequence phase. -The star’s mass remains largely constant. Stellar object has become visible in optical and near-infrared light. -Accretion is ongoing but at a much lower rate. -After about 5 million years from the start, the disk is mostly gone, and the Jovian planets can be formed. During ...
Friday, April 11
... • Some have names that go back to ancient times (e.g. Castor and Pollux, Greek mythology) • Some were named by Arab astronomers (e.g. Aldebaran, Algol, etc.) • Since the 17th century we use a scheme that lists stars by constellation – in order of their apparent brightness – labeled alphabetically in ...
... • Some have names that go back to ancient times (e.g. Castor and Pollux, Greek mythology) • Some were named by Arab astronomers (e.g. Aldebaran, Algol, etc.) • Since the 17th century we use a scheme that lists stars by constellation – in order of their apparent brightness – labeled alphabetically in ...
File
... final detonation. Everything that they wished to preserve, all the fruit of their genius, they brought here to this distant world in the days before the end, hoping that some other race would find it and that they would not be utterly forgotten. Would we have done as well, or would we have been too ...
... final detonation. Everything that they wished to preserve, all the fruit of their genius, they brought here to this distant world in the days before the end, hoping that some other race would find it and that they would not be utterly forgotten. Would we have done as well, or would we have been too ...
Lecture102802 - FSU High Energy Physics
... If a white dwarf reaches the Chandrasekhar limit, it starts burning carbon The whole dwarf burns in seconds! More energy released than the whole 10 billion years on main sequence! Glows very brightly for weeks/months and fades away ...
... If a white dwarf reaches the Chandrasekhar limit, it starts burning carbon The whole dwarf burns in seconds! More energy released than the whole 10 billion years on main sequence! Glows very brightly for weeks/months and fades away ...
Apparent magnitude
... Newly formed and young stars in the galactic plane in circular orbits (in one year ~1 M new stars) The metallicity of young stars increases Open star clusters, interstellar matter Also an “outer” disc of hydrogen (15 000 ly away) and a large disc of warm gas ( ~10 000K) High-velocity clouds (HVC), ...
... Newly formed and young stars in the galactic plane in circular orbits (in one year ~1 M new stars) The metallicity of young stars increases Open star clusters, interstellar matter Also an “outer” disc of hydrogen (15 000 ly away) and a large disc of warm gas ( ~10 000K) High-velocity clouds (HVC), ...
Homework 1 – Exercise 1 1/9
... In 1672, an international effort was made to measure the parallax angle of Mars at the time of opposition, when it was closest to Earth. Consider two observers who are separated by a baseline equal to Earth’s diameter. If the difference in their measurements of Mars’s angular position is 33.6’’. Wha ...
... In 1672, an international effort was made to measure the parallax angle of Mars at the time of opposition, when it was closest to Earth. Consider two observers who are separated by a baseline equal to Earth’s diameter. If the difference in their measurements of Mars’s angular position is 33.6’’. Wha ...
File - 5th Grade Science Almost done!!!!!!!!!
... • The first thing the students do when they enter the room is write down the homework (see next slide) in stone-silence. • After about 20 to 30 seconds of silence I tell the students “Please begin the warm up.” • Please go through the ppt with the students. Students will have to write items in blue ...
... • The first thing the students do when they enter the room is write down the homework (see next slide) in stone-silence. • After about 20 to 30 seconds of silence I tell the students “Please begin the warm up.” • Please go through the ppt with the students. Students will have to write items in blue ...
Methods Of Discovering Extra solar Planets.
... • To use these movement they look at star to see if it is moving. If its not moving than the star might not have a planet(s). Basically they look for an abnormality in the stars movement. • To use this method is that they need to have the movement down for the star they are looking at. If the star i ...
... • To use these movement they look at star to see if it is moving. If its not moving than the star might not have a planet(s). Basically they look for an abnormality in the stars movement. • To use this method is that they need to have the movement down for the star they are looking at. If the star i ...
Movements of Objects in Space
... the Sun, all in the same direction, and all in roughly the same plane (i.e. it's like they are all laid out on a large dinner plate with the Sun at the center). The outer planets orbit more slowly than the inner planets. 4. The stars appear stationary. (They do, in fact, move very quickly. But they ...
... the Sun, all in the same direction, and all in roughly the same plane (i.e. it's like they are all laid out on a large dinner plate with the Sun at the center). The outer planets orbit more slowly than the inner planets. 4. The stars appear stationary. (They do, in fact, move very quickly. But they ...
Models of the sky—11 Sept Changes in the Sky
... Models of the sky—11 Sept • Homework 1 is due Mon. ...
... Models of the sky—11 Sept • Homework 1 is due Mon. ...
Nebulae
... • They are found near hot, luminous stars of spectral types O and B • They are powered by ultraviolet light that they absorb from nearby hot stars • They are composed of ionized hydrogen atoms; the so called H II region. • They emit light through a ...
... • They are found near hot, luminous stars of spectral types O and B • They are powered by ultraviolet light that they absorb from nearby hot stars • They are composed of ionized hydrogen atoms; the so called H II region. • They emit light through a ...
Solar System, Galaxy, and Universe (ES) V.4
... solar system in our galaxy and the overall scale, structure and age of the universe. Key concepts: Stars, galaxies, Milky Way, spiral structure, speed of light, light year, travel times, big bang, red shift. Tools: Telescopes, binoculars, spectroscopes Real-world contexts: Observations of other star ...
... solar system in our galaxy and the overall scale, structure and age of the universe. Key concepts: Stars, galaxies, Milky Way, spiral structure, speed of light, light year, travel times, big bang, red shift. Tools: Telescopes, binoculars, spectroscopes Real-world contexts: Observations of other star ...
What Is a Light-year?
... difficult to understand and use in calculations. For (6) reason, • astronomers use a different (7) of (8) when they talk about distances between stars. In one year, light travels 9.5 trillion km. If there were a star 9.5 (9) km. from Earth, it would take one year for its light to reach us. By the ti ...
... difficult to understand and use in calculations. For (6) reason, • astronomers use a different (7) of (8) when they talk about distances between stars. In one year, light travels 9.5 trillion km. If there were a star 9.5 (9) km. from Earth, it would take one year for its light to reach us. By the ti ...
The Solar System Worksheet - Laureate International College
... < to see how large the Sun is compared to this planet < boundary between the inside & outside of the Sun < yellow part we see from Earth (coolest layer ~ 5500°C) < large, often curved, bright stream of particles < extends outward from the photosphere into the corona < layer outside the core (plasma ...
... < to see how large the Sun is compared to this planet < boundary between the inside & outside of the Sun < yellow part we see from Earth (coolest layer ~ 5500°C) < large, often curved, bright stream of particles < extends outward from the photosphere into the corona < layer outside the core (plasma ...
SunStructure17
... Our Sun Our sun is a medium sized, medium temperature (yellow) star in the middle of its life cycle. It only looks big because it’s so much closer to us than any other star ...
... Our Sun Our sun is a medium sized, medium temperature (yellow) star in the middle of its life cycle. It only looks big because it’s so much closer to us than any other star ...
ph507lecnote07
... arcsec corresponds to 1 AU) EXAMPLE: Sirius: Also known as Alpha Canis Majoris, Sirius is the fifth closest system to Sol, at 8.6 light-years. Sirius is composed of a main-sequence star and a white dwarf stellar remnant. They form a close binary, Alpha Canis Majoris A and B, that is separated "on av ...
... arcsec corresponds to 1 AU) EXAMPLE: Sirius: Also known as Alpha Canis Majoris, Sirius is the fifth closest system to Sol, at 8.6 light-years. Sirius is composed of a main-sequence star and a white dwarf stellar remnant. They form a close binary, Alpha Canis Majoris A and B, that is separated "on av ...
Corvus (constellation)
Corvus is a small constellation in the Southern Celestial Hemisphere. Its name comes from the Latin word ""raven"" or ""crow"". It includes only 11 stars with brighter than 4.02 magnitudes. One of the 48 constellations listed by the 2nd-century astronomer Ptolemy, it remains one of the 88 modern constellations. The four brightest stars, Gamma, Delta, Epsilon, and Beta Corvi from a distinctive quadrilateral in the night sky. The young star Eta Corvi has been found to have two debris disks.