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The top documents tagged [reflection nebulae]

SkyTools 3 Power Tips Tips for using SkyTools 3. Basics Right-click on everything! Use context whenever possible (example: logs) Keep the planner windowed
SkyTools 3 Power Tips Tips for using SkyTools 3. Basics Right-click on everything! Use context whenever possible (example: logs) Keep the planner windowed
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Protostars are difficult to observe because A. the protostar stage is very short. B. they are surrounded by cocoons of gas and dust. C. they radiate mainly
Protostars are difficult to observe because A. the protostar stage is very short. B. they are surrounded by cocoons of gas and dust. C. they radiate mainly
228 views
Introduction to Astrophysics Lecture 12: Nebulae The hourglass nebula
Introduction to Astrophysics Lecture 12: Nebulae The hourglass nebula
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Nebulae, quasars,
Nebulae, quasars,
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The Beauty of the Universe
The Beauty of the Universe
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NOTES: Cepheid Variable Stars: John Goodrick (1784) discovered Delta-Cephei. Henrietta Leavitt (1908)--Period Luminosity Relation: (overlay). Stars varying
NOTES: Cepheid Variable Stars: John Goodrick (1784) discovered Delta-Cephei. Henrietta Leavitt (1908)--Period Luminosity Relation: (overlay). Stars varying
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The Interstellar Medium and Star Formation Material between the stars – gas and dust
The Interstellar Medium and Star Formation Material between the stars – gas and dust
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What's in our galaxy?. Emission Nebulae Spectra consist of emission lines Are hot, ionised hydrogen plasma (plus a few other elements) where stars are
What's in our galaxy?. Emission Nebulae Spectra consist of emission lines Are hot, ionised hydrogen plasma (plus a few other elements) where stars are
213 views
Star Stuff Joy Harjo (1951 – ) from Secrets From the Center of the World I can hear the sizzle of newborn stars, and know anything of meaning, of the fierce
Star Stuff Joy Harjo (1951 – ) from Secrets From the Center of the World I can hear the sizzle of newborn stars, and know anything of meaning, of the fierce
213 views
Observing Star-Formation From the Interstellar Medium to Star-Forming Cores On-Line Version, 1999 Alyssa A. Goodman Harvard University Department of Astronomy
Observing Star-Formation From the Interstellar Medium to Star-Forming Cores On-Line Version, 1999 Alyssa A. Goodman Harvard University Department of Astronomy
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STAR BIRTH. Guiding Questions Why do astronomers think that stars evolve? What kind of matter exists in the spaces between the stars? Where do new stars
STAR BIRTH. Guiding Questions Why do astronomers think that stars evolve? What kind of matter exists in the spaces between the stars? Where do new stars
215 views
Interstellar Medium and Star Formation Astronomy G9001 Prof. Mordecai-Mark Mac Low
Interstellar Medium and Star Formation Astronomy G9001 Prof. Mordecai-Mark Mac Low
214 views