type Ia supernovae

Palomar Transient Factory, Zwicky Transient Facility, small telescopes, Vera Rubin Observatory, Large Synoptic Survey Telescope, Shrinivas Kulkarni, SpaceX Starlink, astronomical twilight, Tata Institute of Fundamental Research, dark energy, Hubble constant, redshift, Doppler effect, charge-coupled devices, Type Ia supernovae, supernova, neutron stars, pulsars, millisecond pulsars, Alex Filippenko, Ooty radio telescope, Govind Swarup, IIT Delhi, Caltech Optical Observatory, Donald Backer,

Interview: Shrinivas Kulkarni, Finder of a Thousand Exploding Stars

Albert Einstein, general theory of relativity, gravitational lensing, Fritz Zwicky, Hubble constant, expansion of the universe, Sjur Refsdal, Orest Chwolson, Arthur Eddington, active galactic nuclei, black hole, Type Ia supernovae, Palomar Transient Factory,

How Astronomers Use Ginormous Natural Lenses to Study Distant Space Explosions

Hubble constant, Cepheid variables, Type Ia supernovae, Edwin Hubble, Georges Lemaître, Henrietta Swain Leavitt, Adam Riess, Hubble parameter, Wendy Freedman, Vesto Slipher,

Why Scientists Are Confused About How Fast the Universe Is Expanding

Astronomers using the Hubble Space Telescope have captured the most comprehensive picture ever assembled of the evolving Universe — and one of the most colourful. The study is called the Ultraviolet Coverage of the Hubble Ultra Deep Field. Caption and credit: hubble_esa/Flickr, CC BY 2.0

A Universe Out of Sight