Tag Archives: LIGO

Music of the Universe

“In a special public lecture webcast at Perimeter Institute on October 23, 2019, Gabriela González will provide a first-hand account of LIGO’s century-in-the-making breakthrough, and explain observations made as recently as this year. González, a professor of physics and astronomy … Continue reading

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Hey LIGO

Hey LIGO *** How’s it going, LIGO?  Members of the public can use Hey LIGO; they just might be disappointed if they’re looking for the kind of quippy, vocalized replies we’ve come to expect from our digital assistants. Hey LIGO … Continue reading

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Gravitational Waves detected by LIGO

See Also: LIGO again detects gravitational waves   The scientists detected the gravitational waves using the twin Laser Interferometer Gravitational-wave Observatory (LIGO) interferometers, located in Livingston, Louisiana, and Hanford, Washington. On Dec. 26, 2015, at 3:38 UTC, both detectors, situated more … Continue reading

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LIGO experiment’s discovery of gravitational waves

LIGO Livingston observatory. Credit: Caltech/MIT/LIGO Lab. Scientists from the LIGO Scientific Collaboration (LSC) and the Virgo Collaboration will discuss their latest research in the effort to detect gravitational waves, at the 228th meeting of the American Astronomical Society (AAS) in … Continue reading

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The Sound of Two Black Holes Colliding

Audio Credit: Caltech/MIT/LIGO Lab  As the black holes spiral closer and closer in together, the frequency of the gravitational waves increases. Scientists call these sounds “chirps,” because some events that generate gravitation waves would sound like a bird’s chirp. See: … Continue reading

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No-Hair Theorem

The no-hair theorem postulates that all black hole solutions of the Einstein-Maxwell equations of gravitation and electromagnetism in general relativity can be completely characterized by only three externally observable classical parameters: mass, electric charge, and angular momentum.[1] All other information … Continue reading

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Is Gravity Now part of the Standard Model?

I leave this as a open question as I will be compiling information in this regard. If the initial configuration of the source is being transmitted as gravitational waves then this is also part of “other information” being traversed through … Continue reading

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When Black Holes Collide

See also: What Happens When Black Holes Collide? – Kip Thorne   Dialogos of Eide

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Proofing BICEP2

Inflation—the hypothesis that the Universe underwent a phase of superluminal expansion in a brief period following the big bang—has the potential of explaining, from first principles, why the Universe has the structure we see today. It could also solve outstanding … Continue reading

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The Map of B Mode Imprints

Figure 3: Left: BICEP2 apodized E-mode and B-mode maps filtered to 50 < ℓ < 120. Right: The equivalent maps for the first of the lensed-ΛCDM+noise simulations. The color scale displays the E-mode scalar and B-mode pseudoscalar patterns while the lines display the equivalent … Continue reading

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