Line intensity mapping (LIM) is an observational technique that measures the integrated emission of spectral lines across large cosmological volumes without resolving individual sources. By capturing ...

The intensity mapping of neutral hydrogen employs measurement of the unresolved 21 cm emission across wide areas of the sky to trace the large-scale distribution of matter. Rather than detecting ...

Scientists are championing a relatively new technique as a method to understand the structure of the early universe in three dimensions. With enough time and magnifying power, a telescope can gather ...