The Insidious Environmental Impact of Astronomy Observatories
Constructing and operating astronomical observatories at our current pace is unsustainable.
Constructing and operating astronomical observatories at our current pace is unsustainable.
Type Ia supernovae’s dimmer cousin, type II supernovae, take a shot at measuring the Hubble constant.
How can we use gravitational lensing to measure the expansion rate of the Universe?