Contents ISP 205 Section 2 Study Guide for Test 3 28 March 2007
... are called giants. o Giants are big, sometimes 100 times as big as the sun. o Giants burn hydrogen in a shell, helium, or other elements White dwarfs are earth-sized, dead stars. Main sequence is a mass sequence o O stars are massive o M stars have least mass Hot massive stars live a short life and ...
... are called giants. o Giants are big, sometimes 100 times as big as the sun. o Giants burn hydrogen in a shell, helium, or other elements White dwarfs are earth-sized, dead stars. Main sequence is a mass sequence o O stars are massive o M stars have least mass Hot massive stars live a short life and ...
Parallax
... Your thumb appears to move because your eyes are not at exactly the same place, so each eye views the thumb from a different angle. Now hold your thumb at arm's length and repeat the experiment. Your thumb will still appear to shift, but will not appear to move as much as it did when it was closer. ...
... Your thumb appears to move because your eyes are not at exactly the same place, so each eye views the thumb from a different angle. Now hold your thumb at arm's length and repeat the experiment. Your thumb will still appear to shift, but will not appear to move as much as it did when it was closer. ...
Production of Manganese-53 in a Self
... determine the stellar mass from an initial mass function [6] and three random numbers to choose the sub cube in which to place the star. We record the star and its starting composition (the composition of the cloud from which it forms at the formation time). We also compute, from the stellar mass, t ...
... determine the stellar mass from an initial mass function [6] and three random numbers to choose the sub cube in which to place the star. We record the star and its starting composition (the composition of the cloud from which it forms at the formation time). We also compute, from the stellar mass, t ...
Acceleration of Coronal Mass Ejection In Long Rising Solar
... The core collapses at the dynamic time scale, i.e. seconds For a core of 1.2 Ms contracting from a density of 109 cm-3 (degenerate electron state, Earth size) to 1015 cm-3 (neutron star, city size), it releases the gravitational energy in the order of 1053 ergs, comparable to the energy released by ...
... The core collapses at the dynamic time scale, i.e. seconds For a core of 1.2 Ms contracting from a density of 109 cm-3 (degenerate electron state, Earth size) to 1015 cm-3 (neutron star, city size), it releases the gravitational energy in the order of 1053 ergs, comparable to the energy released by ...
Volume 1 (Issue 7), July 2012
... faint small in size and hard to detect. Only a few ones are known. We find most of them as members of binary systems. Even the brightest star, Sirius, has a white dwarf companion, named as Sirius B(shown in figure below). In January 2009, the project of “Research Consortium on Nearby Stars” discover ...
... faint small in size and hard to detect. Only a few ones are known. We find most of them as members of binary systems. Even the brightest star, Sirius, has a white dwarf companion, named as Sirius B(shown in figure below). In January 2009, the project of “Research Consortium on Nearby Stars” discover ...
Introduction to Galaxies and Cosmology Exercises 2
... at 10% of its Eddinton luminosity? c) What is the Schwarzschild radius of the black hole? 9. (Challenging) A quasar emits two radiating clouds in our general direction at 13/14 the speed of light. They are first observed when they appear to have been first produced at the central powerhouse, and are ...
... at 10% of its Eddinton luminosity? c) What is the Schwarzschild radius of the black hole? 9. (Challenging) A quasar emits two radiating clouds in our general direction at 13/14 the speed of light. They are first observed when they appear to have been first produced at the central powerhouse, and are ...
Chapter 20
... 20.4 Evolution of Stars More Massive than the Sun High-mass stars, like all stars, leave the Main Sequence when there is no more hydrogen fuel in their cores. The first few events are similar to those in lower-mass stars—first a hydrogen shell, then a core burning helium to carbon, surrounded by he ...
... 20.4 Evolution of Stars More Massive than the Sun High-mass stars, like all stars, leave the Main Sequence when there is no more hydrogen fuel in their cores. The first few events are similar to those in lower-mass stars—first a hydrogen shell, then a core burning helium to carbon, surrounded by he ...
Resources: - Real Science
... Scientists have found water on the planet __ another star. This is the first time this key _________ for living things has been found on an extrasolar planet. More than 200 extrasolar planets have ____ discovered so far. These are planets in orbit around _ star, in the same way as our Earth is __ or ...
... Scientists have found water on the planet __ another star. This is the first time this key _________ for living things has been found on an extrasolar planet. More than 200 extrasolar planets have ____ discovered so far. These are planets in orbit around _ star, in the same way as our Earth is __ or ...
Ay 112 Midterm review
... The Hertzsprung Russel diagram began as a plot of color measured by B-‐V vs absolute magnitude (increasing B-‐V on the bottom axis and decrasing M on the vertical). There is a relation between B-‐ ...
... The Hertzsprung Russel diagram began as a plot of color measured by B-‐V vs absolute magnitude (increasing B-‐V on the bottom axis and decrasing M on the vertical). There is a relation between B-‐ ...
Part 2 - Stellar Evolution
... The stage that hydrogen shell burning ignites The shell burning adds helium ash into the core, causing the dormant core to contract The shell burning causes the outer envelope to expand and thus cooling, producing red giants The hydrogen shell burning occurs via the CNO cycle, the main source of N i ...
... The stage that hydrogen shell burning ignites The shell burning adds helium ash into the core, causing the dormant core to contract The shell burning causes the outer envelope to expand and thus cooling, producing red giants The hydrogen shell burning occurs via the CNO cycle, the main source of N i ...
Sun, Moon, Earth,
... – Neutron Stars: Forms from the remains of the old star. • Very very high density and very very small. – As much as three times the mass of our star in an area the size of a city. – Some give off regular pulses of radio waves and are called pulsars. (these were originally called LGMs). ...
... – Neutron Stars: Forms from the remains of the old star. • Very very high density and very very small. – As much as three times the mass of our star in an area the size of a city. – Some give off regular pulses of radio waves and are called pulsars. (these were originally called LGMs). ...
Lecture 2: Exoplanets and life
... Direct spectra: future concepts • The real payoff is from directly observing Earth-like planets, i.e., separating their light from that of the star, and taking spectra of their atmospheres • Future has big, space-based telescopes ...
... Direct spectra: future concepts • The real payoff is from directly observing Earth-like planets, i.e., separating their light from that of the star, and taking spectra of their atmospheres • Future has big, space-based telescopes ...
the moons of jovian planets.
... Question 8 The asteroid belt is evidence of a) a planet that once orbited the Sun but later was destroyed. b) ancient material from the formation of the solar system. c) a collision between Jupiter and one of its larger moons. d) comets that were trapped by Jupiter’s gravitational field. Explanatio ...
... Question 8 The asteroid belt is evidence of a) a planet that once orbited the Sun but later was destroyed. b) ancient material from the formation of the solar system. c) a collision between Jupiter and one of its larger moons. d) comets that were trapped by Jupiter’s gravitational field. Explanatio ...
Recurring theme: conservation of energy
... 4. Outer layers fall and heat, luminosity decreases. Helium burns stably: Horizontal Branch Star ...
... 4. Outer layers fall and heat, luminosity decreases. Helium burns stably: Horizontal Branch Star ...
The Planetarium Fleischmann Planetarium
... to the Kuiper Belt, its diameter is four times greater than that of the Kuiper Belt.” The astronomers used the Advanced Camera for Surveys’ (ACS) coronagraph aboard Hubble to block out the light from the bright star so they could see details in the faint ring. “The ACS’s coronagraph offers high cont ...
... to the Kuiper Belt, its diameter is four times greater than that of the Kuiper Belt.” The astronomers used the Advanced Camera for Surveys’ (ACS) coronagraph aboard Hubble to block out the light from the bright star so they could see details in the faint ring. “The ACS’s coronagraph offers high cont ...
DIPLOMA THESIS Spectroscopic study of the star 70 Virginis and its
... (2) A ‘dwarf planet’ is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, (c) has not cleared the neighbourhood around its orbit, and (d) is not a satelli ...
... (2) A ‘dwarf planet’ is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, (c) has not cleared the neighbourhood around its orbit, and (d) is not a satelli ...
black holes activity
... the time it get to 200,000 km out it is turned into energy and through convection transferred towards the surface C.What is Granulation? -Looking at the surface of the Sun it looks highly ________________ -Each granule is about 1000 km across, has a lifetime of __________________ and depending on it ...
... the time it get to 200,000 km out it is turned into energy and through convection transferred towards the surface C.What is Granulation? -Looking at the surface of the Sun it looks highly ________________ -Each granule is about 1000 km across, has a lifetime of __________________ and depending on it ...
December
... A T-shaped asterism just east of gamma Oph; it is formed by the stars 66 Oph, 67 Oph, 68 Oph and 70 Oph “The Arrow” is a little over 3 degrees east of Beta Ophiuchi . Below “The Arrow” is Barnard’s Star. It shines dimly at magnitude 9.5. Discovered by E. E. Barnard in 1916, it is a red dwarf located ...
... A T-shaped asterism just east of gamma Oph; it is formed by the stars 66 Oph, 67 Oph, 68 Oph and 70 Oph “The Arrow” is a little over 3 degrees east of Beta Ophiuchi . Below “The Arrow” is Barnard’s Star. It shines dimly at magnitude 9.5. Discovered by E. E. Barnard in 1916, it is a red dwarf located ...
Globular Cluster M80
... they classify elements other than hydrogen and helium as heavy elements. Heavy elements are made in the cores of stars. Each time a star dies, it releases some of its heavy elements into space.These elements become part of a new generation of stars. Each successive generation of stars, therefore, ha ...
... they classify elements other than hydrogen and helium as heavy elements. Heavy elements are made in the cores of stars. Each time a star dies, it releases some of its heavy elements into space.These elements become part of a new generation of stars. Each successive generation of stars, therefore, ha ...
February 2010 Vol 21 No 2 - Cape Cod Astronomical Society
... for Neptune and Jupiter until mid-2010. Look in the West early in the evening. • Magnitude 6 Uranus is still a good target in February but it will soon get very low in the west except in very early evening. Try in good binoculars early in the month. It is easy to find about 9º below and left of mag ...
... for Neptune and Jupiter until mid-2010. Look in the West early in the evening. • Magnitude 6 Uranus is still a good target in February but it will soon get very low in the west except in very early evening. Try in good binoculars early in the month. It is easy to find about 9º below and left of mag ...