HR Diagram Explorer
... c) Draw in an arrow showing the direction of increasing radius on the diagram. (hint: thus must be perpendicular to the isoradius lines.) d) Draw in an arrow showing the direction of increasing mass for main sequence stars on the diagram. (Note that his arrow only applies to main sequence stars, but ...
... c) Draw in an arrow showing the direction of increasing radius on the diagram. (hint: thus must be perpendicular to the isoradius lines.) d) Draw in an arrow showing the direction of increasing mass for main sequence stars on the diagram. (Note that his arrow only applies to main sequence stars, but ...
exploring the solar system, the galaxies, and the
... same, but a planet can be seen in different locations at different times. d. Identify how technology is used to observe distant objects in the sky. ...
... same, but a planet can be seen in different locations at different times. d. Identify how technology is used to observe distant objects in the sky. ...
haajar slaughter
... recognized symbols. Within the U.S. it is frequently displayed, not only on public buildings, but on private residences. It is also used as clothing ornaments such as badges and lapel pins. Throughout the world it is used in public discourse to refer to the U.S., both as a nation state, government, ...
... recognized symbols. Within the U.S. it is frequently displayed, not only on public buildings, but on private residences. It is also used as clothing ornaments such as badges and lapel pins. Throughout the world it is used in public discourse to refer to the U.S., both as a nation state, government, ...
Basics – II. Time, Magnitudes and Spectral types
... mixing these in approximately the ratio 3:1, the average year has a length close to that of the tropical year. This concept was already known to the Egyptians and it was an Alexandrian scholar, Sosigenes, who advised Julius Caesar to introduce a similar calendar into the Roman empire in 46 B.C. The ...
... mixing these in approximately the ratio 3:1, the average year has a length close to that of the tropical year. This concept was already known to the Egyptians and it was an Alexandrian scholar, Sosigenes, who advised Julius Caesar to introduce a similar calendar into the Roman empire in 46 B.C. The ...
Hot-plate model of stars Test 2 & grades • Public viewing sessions
... surface temperature (1905) & discovered a surprise. Sirius A is slightly larger than the sun. Sirius B is 100 1 times smaller. The same size as the Earth! Stars come in 3 sizes. ...
... surface temperature (1905) & discovered a surprise. Sirius A is slightly larger than the sun. Sirius B is 100 1 times smaller. The same size as the Earth! Stars come in 3 sizes. ...
Powerpoint slides
... just shown us, however, that the more distant the galaxy, the longer ago light left it to travel to our telescope. Therefore, as we look out in space, we are also looking back in time. The Hubble Ultra Deep Field is a very important image. With a few exceptions, every fuzzy point of light in this im ...
... just shown us, however, that the more distant the galaxy, the longer ago light left it to travel to our telescope. Therefore, as we look out in space, we are also looking back in time. The Hubble Ultra Deep Field is a very important image. With a few exceptions, every fuzzy point of light in this im ...
Telescopes: More Than Meets the Eye
... Constellations: Imaginary, dot-to-dot pictures drawn using the stars as the dots. These are used to map the nighttime sky. There are 88 constellations all together. Deep Space Objects: These objects are very distant from Earth and can usually only be seen with a telescope. They include: galaxies, di ...
... Constellations: Imaginary, dot-to-dot pictures drawn using the stars as the dots. These are used to map the nighttime sky. There are 88 constellations all together. Deep Space Objects: These objects are very distant from Earth and can usually only be seen with a telescope. They include: galaxies, di ...
Educator`s Guide for Dark Star Adventure
... 3. For homework, have children choose an area of sky to observe. Starting from the horizon, have them draw everything they see, including objects at the horizon, bright stars, different colored stars (using colored pencils), and the moon in the correct phase. 4. Repeat the exercise for several night ...
... 3. For homework, have children choose an area of sky to observe. Starting from the horizon, have them draw everything they see, including objects at the horizon, bright stars, different colored stars (using colored pencils), and the moon in the correct phase. 4. Repeat the exercise for several night ...
Astrophysics - Mr Priest`s Physics Notes
... this “transparency” of radio waves is the reason why it continues to be widely used, since it allows us to probe the internal structure of astronomical objects that are opaque at shorter wavelengths. In particular, atomic hydrogen, by far the dominant element in space, emits radio waves at a wavelen ...
... this “transparency” of radio waves is the reason why it continues to be widely used, since it allows us to probe the internal structure of astronomical objects that are opaque at shorter wavelengths. In particular, atomic hydrogen, by far the dominant element in space, emits radio waves at a wavelen ...
Color-Magnitude Diagram Lab Manual
... File → Load Plot → Data from Observations from the menu bar and your measurements will automatically be plotted. 2. The first step in analyzing your data is to determine the distance to the cluster. You can do this by plotting a Zero Age Main Sequence line (ZAMS). To plot the ZAMS, select Tools → Ze ...
... File → Load Plot → Data from Observations from the menu bar and your measurements will automatically be plotted. 2. The first step in analyzing your data is to determine the distance to the cluster. You can do this by plotting a Zero Age Main Sequence line (ZAMS). To plot the ZAMS, select Tools → Ze ...
Lecture 5
... magnitudes fainter than those that occurred within our galaxy. As a result he was able to come up with a distance estimate of 150,000 parsecs. He became a proponent of the so-called "island universes" hypothesis, which holds that spiral nebulae are actually independent galaxies. The matter was concl ...
... magnitudes fainter than those that occurred within our galaxy. As a result he was able to come up with a distance estimate of 150,000 parsecs. He became a proponent of the so-called "island universes" hypothesis, which holds that spiral nebulae are actually independent galaxies. The matter was concl ...
The Milky Way
... especially the star-forming regions are moving away from us at high speed. This is the red color of interstellar dust that is present in the molecular clouds out of which stars are formed. Star forming regions are red from the dominant red light of cool, low-mass stars. They are red from the intensi ...
... especially the star-forming regions are moving away from us at high speed. This is the red color of interstellar dust that is present in the molecular clouds out of which stars are formed. Star forming regions are red from the dominant red light of cool, low-mass stars. They are red from the intensi ...
Constellations, Fixed Stars and the Zodiac in Islamic
... The ability to predict the future is the core benefit of the careful study of nature which we call science, but the separation of astronomy, the predictive science of nature based on monotheism, from astrology, the speculative science of the supernatural, took a long time to complete. Throughout his ...
... The ability to predict the future is the core benefit of the careful study of nature which we call science, but the separation of astronomy, the predictive science of nature based on monotheism, from astrology, the speculative science of the supernatural, took a long time to complete. Throughout his ...
Distant Stars - How far away is it
... cloud of dust comprised of various forms of carbon. It is also one of the largest and most luminous stars known. If it were at the center of the Solar System, its surface would extend past the orbit of Jupiter. [Additional info: One of the best known carbon stars, Betelgeuse is also one of the close ...
... cloud of dust comprised of various forms of carbon. It is also one of the largest and most luminous stars known. If it were at the center of the Solar System, its surface would extend past the orbit of Jupiter. [Additional info: One of the best known carbon stars, Betelgeuse is also one of the close ...
Fulltext PDF
... The process of formation of a star can be divided into three phases. The first, known as 'star formation', involves massive interstellar clouds or cloud fragments, which have cooled to the point where they are detectable in molecular lines (such as CO) but which are unable to collapse because of an ...
... The process of formation of a star can be divided into three phases. The first, known as 'star formation', involves massive interstellar clouds or cloud fragments, which have cooled to the point where they are detectable in molecular lines (such as CO) but which are unable to collapse because of an ...
SHELL H II REGIONS IN NGC 6334
... Orbital Proper Motions • Observed changes in separation and position angle imply relative velocity in the plane of the sky of 2.3+-0.5 km/s • A (very) conservative lower limit to the total mass can be derived from (M/Msun)>0.5 (V/30 km/s)^2 (R/AU) • We obtain (M/Msun)>0.1 ...
... Orbital Proper Motions • Observed changes in separation and position angle imply relative velocity in the plane of the sky of 2.3+-0.5 km/s • A (very) conservative lower limit to the total mass can be derived from (M/Msun)>0.5 (V/30 km/s)^2 (R/AU) • We obtain (M/Msun)>0.1 ...
5th Grade - STEMscopes
... The apparent brightness of a star changes depending on which planet it is viewed from. In order to compare stars, astronomers use absolute brightness, how bright it appears at a standard distance. They also measure luminosity, the amount of light a star gives off from its surface. Apparent brightnes ...
... The apparent brightness of a star changes depending on which planet it is viewed from. In order to compare stars, astronomers use absolute brightness, how bright it appears at a standard distance. They also measure luminosity, the amount of light a star gives off from its surface. Apparent brightnes ...
Ursa Major
Ursa Major /ˈɜrsə ˈmeɪdʒər/ (also known as the Great Bear and Charles' Wain) is a constellation in the northern celestial hemisphere. One of the 48 constellations listed by Ptolemy (second century AD), it remains one of the 88 modern constellations. It can be visible throughout the year in most of the northern hemisphere. Its name, Latin for ""the greater (or larger) she-bear"", stands as a reference to and in direct contrast with Ursa Minor, ""the smaller she-bear"", with which it is frequently associated in mythology and amateur astronomy. The constellation's most recognizable asterism, a group of seven relatively bright stars commonly known as the ""Big Dipper"", ""the Wagon"" or ""the Plough"" (among others), both mimicks the shape of the lesser bear (the ""Little Dipper"") and is commonly used as a navigational pointer towards the current northern pole star, Polaris in Ursa Minor. The Big Dipper and the constellation as a whole have mythological significance in numerous world cultures, usually as a symbol of the north.The third largest constellation in the sky, Ursa Major is home to many deep-sky objects including seven Messier objects, four other NGC objects and I Zwicky 18, the youngest known galaxy in the visible universe.