A massive cluster of yellowish galaxies magnifies what may the farthest galaxy ever seen (in white box). It does not show up in the visible-light image (top, right), because its light is stretched to invisible infrared wavelengths by the Universe's expansion. Credit: NASA, ESA, L. Bradley (JHU), R. Bouwens (UCSC), H. Ford (JHU)and G. Illingworth (UCSC)