Dust erases evidence for gravity wave detection
Spacetime ripples may exist, but search must continue, new analysis concludes
![Patch of sky](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/01/ag_Planck_view_of_BICEP2_field.jpg?fit=860%2C460&ssl=1)
DUST IN DEPTH The Planck satellite analyzed the same patch of sky, shown here within the white dots, that the BICEP2 telescope measured in a search for primordial gravitational waves. Yellow and red patches contain the most galactic dust.
Planck/ESA Collaboration. Acknowledgment: M.-A. Miville-Deschênes, CNRS – Institut d’Astrophysique Spatiale, Université Paris-XI, Orsay, France