'Red shifted' presentation slideshows

Big Bang, Black Holes, No Math ASTR/PHYS 109 Dr. David Toback Lectures 14 & 15

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How to Measure DISTANCES in Space

Amazing Astronomy Fact Light from the sun takes 8 minutes to reach you, thus you see the sun as it was 8 minutes ago. It might have blown up 4 minutes ago and you wouldn't know about it!. How to Measure DISTANCES in Space. A LIGHT YEAR is the distance light travels in one year

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Doppler Shift

Doppler Shift. Consider a stationary point source emitting light waves. Doppler Shift. If source moves away, light appears redder than it is. If source moves towards us, light appears bluer. Visible light.

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Historical Summary Fermi and Hargreaves calculated a in 1930 Rabi measured in lab 1949

Historical Summary Fermi and Hargreaves calculated a in 1930 Rabi measured in lab 1949 Van der Hulst suggested that this line might be detectable from space about 1945 Ewan and Purcell detected radio spectrum in 1951. Harry Kroto 2004. Harry Kroto 2004. Spiral Galaxy. Harry Kroto 2004.

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Molecular absorption in Cen A on VLBI scales

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Overview of the talk

Intramolecular charge transfer (ICT) in two phenylpyrrol derivatives: PP and PBN Two similar molecules but a different behavior Danielle Schweke Baumgertan Hagai Yehuda Haas. Overview of the talk.

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What Does the Infrared Have to Do With Space?

What Does the Infrared Have to Do With Space?. Look at the difference between visible and infrared light!. What is Infrared Light?. Infrared light is a form of electromagnetic radiation, one that is invisible to our eyes.

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What Does the Infrared Have to Do With Space?

What Does the Infrared Have to Do With Space?. Look at the difference between visible and infrared light!. What is Infrared Light?. Infrared light is a form of electromagnetic radiation, one that is invisible to our eyes.

244 views • 24 slides

Olbers Paradox

Olbers Paradox. Why is the sky dark? If the universe were infinitely big and infinitely old, there should be no dark patches in the sky (Heinrich Wilhelm Olbers (1757--1840) ) Possible answers: Dust? No, the dust would heat up and re-radiate the light

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Low-luminosity Extragalactic H 2 O Masers

Yoshiaki Hagiwara ASTRON. Low-luminosity Extragalactic H 2 O Masers. 22 G H z Extragalactic H 2 O Masers. High-luminosity ( L H 2 O > ~ 10 Lsun ) ... ca. 35 galaxies (Megamasers) NGC4258, NGC3079, NGC4945, Circinus,......

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The expanding universe

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The expanding universe

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How do we really know what's out there?

How do we really know what's out there?. Space is a pretty big place and, after all, we've never been farther from earth than our moon. How do we know what the stars are made of?. This is the electromagnetic spectrum . It consists of waves which vary in

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Human Encryption Duke University Genetically Engineered Machines 2006

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