Things to know: This meant as a guide to what you should know. I
... Know the HR diagram!!!!!! What is the sequence of spectral types with decreasing mass and temperature (OBAFGKM)? Which stars are the most common? What is a brown dwarf? Where do star form? What are protostars and pre-main sequence stars? How long does each phase last? What is the source energy for ...
... Know the HR diagram!!!!!! What is the sequence of spectral types with decreasing mass and temperature (OBAFGKM)? Which stars are the most common? What is a brown dwarf? Where do star form? What are protostars and pre-main sequence stars? How long does each phase last? What is the source energy for ...
The Hidden Lives of Galaxies NSTA 2001
... • Under collapse, protons and electrons combine to form neutrons. • 10 Km across Black Hole (If mass of core > 5 x Solar) • Not even compacted neutrons can support weight of very massive stars. ...
... • Under collapse, protons and electrons combine to form neutrons. • 10 Km across Black Hole (If mass of core > 5 x Solar) • Not even compacted neutrons can support weight of very massive stars. ...
Our Universe
... • demonstrates that an object is moving away from us and everything else • is evidence of the “push” from the initial Big ...
... • demonstrates that an object is moving away from us and everything else • is evidence of the “push” from the initial Big ...
life cycle of stars
... • Under collapse, protons and electrons combine to form neutrons. • 10 Km across Black Hole (If mass of core > 5 x Solar) • Not even compacted neutrons can support weight of very massive stars. ...
... • Under collapse, protons and electrons combine to form neutrons. • 10 Km across Black Hole (If mass of core > 5 x Solar) • Not even compacted neutrons can support weight of very massive stars. ...
Ch 28 Class Notes
... Dipper. The Big Dipper is an asterism in the shape of a dipper and handle. The two stars farthest from the Big Dipper’s (Ursa Major) handle “____________” ____________________________ ________________ (Polaris).** Polaris is found in the handle of the Little Dipper, an asterism of the Ursa Minor (th ...
... Dipper. The Big Dipper is an asterism in the shape of a dipper and handle. The two stars farthest from the Big Dipper’s (Ursa Major) handle “____________” ____________________________ ________________ (Polaris).** Polaris is found in the handle of the Little Dipper, an asterism of the Ursa Minor (th ...
Blowing Bubbles in Space: The Birth and Death of Practically
... shape of E0102 is most likely a cylinder that is viewed end-on rather than a spherical bubble. • The intriguing result implies that the massive star's explosion has produced a shape similar to what is seen in some planetary nebulae associated with lower mass stars. • SMC=190 kly away, so this field ...
... shape of E0102 is most likely a cylinder that is viewed end-on rather than a spherical bubble. • The intriguing result implies that the massive star's explosion has produced a shape similar to what is seen in some planetary nebulae associated with lower mass stars. • SMC=190 kly away, so this field ...
The Star of Bethlehem: a Type Ia/Ic Supernova in the Andromeda
... equinox is suggested. Also, such a faint star would likely be seen only if it was in the east well up in the sky at dawn. On 22 March 8 B.C,, the day after the equinox, there was a conjunction of Mars with the Sun. On this date, Venus was in Aries, and located at its rising almost exactly below M31 ...
... equinox is suggested. Also, such a faint star would likely be seen only if it was in the east well up in the sky at dawn. On 22 March 8 B.C,, the day after the equinox, there was a conjunction of Mars with the Sun. On this date, Venus was in Aries, and located at its rising almost exactly below M31 ...
Lecture 13 (pdf from the powerpoint)
... If we know that a group of stars are at the same distance we can plot the following two parameters in place of Luminosity and Temperature on the H-R diagram a) Period and luminosity b) Surface gravity and color c) Brightness and color d) Diameter and brightness e) None of the above ...
... If we know that a group of stars are at the same distance we can plot the following two parameters in place of Luminosity and Temperature on the H-R diagram a) Period and luminosity b) Surface gravity and color c) Brightness and color d) Diameter and brightness e) None of the above ...
SkyMatters Jan-2017 - CIT Blackrock Castle Observatory
... of the 4th will be the best time for viewing because the first-quarter Moon will have set and the skies should be dark. Don’t be discouraged if you live in a city or town. If you can see some stars you can see some meteors! The Quadrantids are believed to be the leftover debris from an extinct comet ...
... of the 4th will be the best time for viewing because the first-quarter Moon will have set and the skies should be dark. Don’t be discouraged if you live in a city or town. If you can see some stars you can see some meteors! The Quadrantids are believed to be the leftover debris from an extinct comet ...
Astro history notes 1
... • Why are we here (not clear on that one either…?) • Where are we? • Humans have been working on that one for a long time! ...
... • Why are we here (not clear on that one either…?) • Where are we? • Humans have been working on that one for a long time! ...
Astronomy 200 Problem Set No
... this star. Click on "Take Reading".A new control panel for the spectrometer now appears. You should see a set of axes that will be filled with a spectrum after clicking on "Start/Resume Count". Click on Start and watch what happens. You should see the spectrum build up as photons are collected. You ...
... this star. Click on "Take Reading".A new control panel for the spectrometer now appears. You should see a set of axes that will be filled with a spectrum after clicking on "Start/Resume Count". Click on Start and watch what happens. You should see the spectrum build up as photons are collected. You ...
View poster
... The solution is to start considering the Moon. Therefore the dynamic range of the star sensor had to include the brighter stars in our galaxy and the very bright Moon. Ranges from magnitudes 1 to -13 need to be covered. In the lab we have shown that the dynamic range of the star sensor can include t ...
... The solution is to start considering the Moon. Therefore the dynamic range of the star sensor had to include the brighter stars in our galaxy and the very bright Moon. Ranges from magnitudes 1 to -13 need to be covered. In the lab we have shown that the dynamic range of the star sensor can include t ...
Review
... 1) Observation and explanation of observations that can be made without telescopes The changing seasons, shadows of the Sun The changing shape and location of the Moon The changing position of planets and stars (using the star chart) 2) Objects in the Solar system Types of planets – characte ...
... 1) Observation and explanation of observations that can be made without telescopes The changing seasons, shadows of the Sun The changing shape and location of the Moon The changing position of planets and stars (using the star chart) 2) Objects in the Solar system Types of planets – characte ...
Alien Earths Floorplan (3,000 sq. ft) Major Exhibit Areas
... 2. The Sun and planets start to form in this spinning, flattened disk (protoplanetary disk), with the Sun at the hottest central part. 3. In our Solar System, Earth formed in the inner region of the disk where rocky & metallic material could condense in the greater heat. Ices & hydrocarbons settled ...
... 2. The Sun and planets start to form in this spinning, flattened disk (protoplanetary disk), with the Sun at the hottest central part. 3. In our Solar System, Earth formed in the inner region of the disk where rocky & metallic material could condense in the greater heat. Ices & hydrocarbons settled ...
Stages in the Life of a Star
... • At the bloated-out surface, the energy is spread out over a larger area so each square centimeter will be cooler giving the light a red color. • Red giants can eject a lot of mass through “winds”’. Note: A Red Giant may be large in terms of linear size, but it is less massive than the main sequenc ...
... • At the bloated-out surface, the energy is spread out over a larger area so each square centimeter will be cooler giving the light a red color. • Red giants can eject a lot of mass through “winds”’. Note: A Red Giant may be large in terms of linear size, but it is less massive than the main sequenc ...
Stellar Evolution - Lick Observatory
... • We can use the H-R Diagram of the stars in a cluster to determine the age of the cluster. • A cluster starts off with stars along the full main sequence. • Because stars with larger mass evolve more quickly, the hot, luminous end of the main sequence becomes depleted with time. • The `main-sequenc ...
... • We can use the H-R Diagram of the stars in a cluster to determine the age of the cluster. • A cluster starts off with stars along the full main sequence. • Because stars with larger mass evolve more quickly, the hot, luminous end of the main sequence becomes depleted with time. • The `main-sequenc ...
Ursa Minor
Ursa Minor (Latin: ""Smaller She-Bear"", contrasting with Ursa Major), also known as the Little Bear, is a constellation in the northern sky. Like the Great Bear, the tail of the Little Bear may also be seen as the handle of a ladle, hence the name Little Dipper. It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and remains one of the 88 modern constellations. Ursa Minor has traditionally been important for navigation, particularly by mariners, due to Polaris being the North Star.Polaris, the brightest star in the constellation, is a yellow-white supergiant and the brightest Cepheid variable star in the night sky, ranging from apparent magnitude 1.97 to 2.00. Beta Ursae Minoris, also known as Kochab, is an aging star that has swollen and cooled to become an orange giant with an apparent magnitude of 2.08, only slightly fainter than Polaris. Kochab and magnitude 3 Gamma Ursae Minoris have been called the ""guardians of the pole star"". Planets have been detected orbiting four of the stars, including Kochab. The constellation also contains an isolated neutron star—Calvera—and H1504+65, the hottest white dwarf yet discovered with a surface temperature of 200,000 K.