Interactive Vocabulary Review for Outer Space Indicator
... A large collection of stars, gas and dust held together by mutual gravitation is what scientists call a GALAXY! Keep moving! ...
... A large collection of stars, gas and dust held together by mutual gravitation is what scientists call a GALAXY! Keep moving! ...
1” “Sky-Notes” of the Open University Astronomy Club. October 2005
... Gamma ) (2.2, 5.1) is a fine double star. The brighter component is golden-yellow with its companion a greenish-blue. Arguably second only to Albiro in Cygnus. NGC205 (M110) eg (8.0). A satellite galaxy of M31 visible as an elongated "smudge" in small telescopes. NGC221 (M32) eg (8.2). A satellite ...
... Gamma ) (2.2, 5.1) is a fine double star. The brighter component is golden-yellow with its companion a greenish-blue. Arguably second only to Albiro in Cygnus. NGC205 (M110) eg (8.0). A satellite galaxy of M31 visible as an elongated "smudge" in small telescopes. NGC221 (M32) eg (8.2). A satellite ...
The Hertzsprung-Russell Diagram
... temperatures, sizes and luminosities, which cause them to move in tracks on the H-R Diagram. After a star uses up all the hydrogen in its core, it leaves the main sequence and moves towards the red giant branch. The most massive stars may also become red supergiants, in the upper right corner of the ...
... temperatures, sizes and luminosities, which cause them to move in tracks on the H-R Diagram. After a star uses up all the hydrogen in its core, it leaves the main sequence and moves towards the red giant branch. The most massive stars may also become red supergiants, in the upper right corner of the ...
Objectives
... • Less massive stars burn cooler and therefore can last longer • Our Sun will fuse hydrogen for about 10 billion years • Once a star’s Hydrogen supply runs out, fusion stops and the core begins to contract • At this time, the outer layers of hydrogen fuse at an incredible rate and the star expands t ...
... • Less massive stars burn cooler and therefore can last longer • Our Sun will fuse hydrogen for about 10 billion years • Once a star’s Hydrogen supply runs out, fusion stops and the core begins to contract • At this time, the outer layers of hydrogen fuse at an incredible rate and the star expands t ...
Star Formation - University of Redlands
... • Same thing with dust clouds in space. • Since space is full of dust, the farther away stars are, the redder they look. • Enough dust and eventually all visible light is scattered or absorbed. ...
... • Same thing with dust clouds in space. • Since space is full of dust, the farther away stars are, the redder they look. • Enough dust and eventually all visible light is scattered or absorbed. ...
Introduction to Stars ppt
... luminosity, but still much brighter than main sequence stars of same spectral type. The hot, white, small radius stars near the lower left are called white dwarfs. Giants and Supergiants are stars nearing the ends of their lives because they have already exhausted their core hydrogen. Surprisingly, ...
... luminosity, but still much brighter than main sequence stars of same spectral type. The hot, white, small radius stars near the lower left are called white dwarfs. Giants and Supergiants are stars nearing the ends of their lives because they have already exhausted their core hydrogen. Surprisingly, ...
Ch.11 Massive star death
... coming from a single point on the sky • The pulses were coming from a spinning neutron star—a pulsar ...
... coming from a single point on the sky • The pulses were coming from a spinning neutron star—a pulsar ...
Nova
... Roche lobe, gas moves into the Roche lobe of the companion star and is pulled in toward that star. This process of mass transfer is referred to as Roche lobe overflow. Binaries in this stage of mass transfer are called semi-detached binaries, because only one of the stars is actually in contact with ...
... Roche lobe, gas moves into the Roche lobe of the companion star and is pulled in toward that star. This process of mass transfer is referred to as Roche lobe overflow. Binaries in this stage of mass transfer are called semi-detached binaries, because only one of the stars is actually in contact with ...
Laboratory Title
... After the helium in the core has all been converted into carbon, the core collapses again, and this time the outer layers are expelled into planetary nebula. The core remains as a white dwarf. No further nuclear reactions take place and eventually it will cool so that no light is seen. At that point ...
... After the helium in the core has all been converted into carbon, the core collapses again, and this time the outer layers are expelled into planetary nebula. The core remains as a white dwarf. No further nuclear reactions take place and eventually it will cool so that no light is seen. At that point ...
Stars I - Astronomy Centre
... around the Sun and rotation of the planet about its own spin axis respectively • Given that angular momentum depends on mass, size of object/orbit and velocity of rotation/revolution, which form contributes most to a planet’s total angular momentum? • More than 99% of Solar System’s mass resides in ...
... around the Sun and rotation of the planet about its own spin axis respectively • Given that angular momentum depends on mass, size of object/orbit and velocity of rotation/revolution, which form contributes most to a planet’s total angular momentum? • More than 99% of Solar System’s mass resides in ...
Nucleus hydrogen helium Relative Mass 1.007825 4.0037 Helium
... Our Sun is in the main stable period of a star’s lifetime. The massive force of gravity draws its matter together. This force is balanced by the very high temperatures, from the fusion of hydrogen atoms, which tend to make the Sun expand. Describe and explain what will happen to the Sun as the hydro ...
... Our Sun is in the main stable period of a star’s lifetime. The massive force of gravity draws its matter together. This force is balanced by the very high temperatures, from the fusion of hydrogen atoms, which tend to make the Sun expand. Describe and explain what will happen to the Sun as the hydro ...
Astronomy Assignment #1
... Instructor Assigned Topic: Write a quantitative critical comparison between the twenty nearest star systems in the sky and the Sun. A list of properties of the twenty nearest star systems is attached. Answer the question “How are the nearest stars in the sky like or unlike the Sun?” Does the Sun app ...
... Instructor Assigned Topic: Write a quantitative critical comparison between the twenty nearest star systems in the sky and the Sun. A list of properties of the twenty nearest star systems is attached. Answer the question “How are the nearest stars in the sky like or unlike the Sun?” Does the Sun app ...
HR4AGN Powerpoint Presentation-a
... • So we want a color magnitude diagram for AGN so that by looking at the color of an AGN we can get its luminosity – But AGN have no fusion, why would we expect a color-magnitude relation? – The gas that accretes onto the black hole is still hot and so must follow the Blackbody Radiation law. ...
... • So we want a color magnitude diagram for AGN so that by looking at the color of an AGN we can get its luminosity – But AGN have no fusion, why would we expect a color-magnitude relation? – The gas that accretes onto the black hole is still hot and so must follow the Blackbody Radiation law. ...