Krzysztof Bolejko

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Captured: approximately 15,000 galaxies (12,000 of which are star-forming) widely distributed in time and space. NASA, ESA, P. Oesch (University of Geneva), and M. Montes (University of New South Wales)

Game‑changing resolution: whose name on the laws of physics for an expanding universe?

Krzysztof Bolejko, University of Sydney

Astronomers are voting to rename one of the laws of physics. The voting may have far-reaching effects leading to renaming of other laws and giving ‘forgotten’ scientists due credit.
New data reveals no evidence of gravitational waves in the early universe, as observed by the BICEP2 radio telescope (pictured) near the South Pole. teffen Richter, Harvard University

Gravitational wave discovery still clouded by galactic dust

Alan Duffy, Swinburne University of Technology and Krzysztof Bolejko, University of Sydney

One of this century’s greatest potential discoveries concerning the origins of the universe has now fallen to galactic dust. That’s according to a new joint-analysis of all the existing data – including…
There’s a lot of dust between us and the edge of the universe. H Raab/Flickr

Has dust clouded the discovery of gravitational waves?

Alan Duffy, Swinburne University of Technology and Krzysztof Bolejko, University of Sydney

It’s almost three months since a team of scientists announced it had detected polarised light from the afterglow of the Big Bang. But questions are still being asked about whether cosmic dust may have…
Graduate student Justus Brevik testing the BICEP2 used to find evidence of cosmic inflation nearly 14 billion years ago. EPA/Steffen Richter/Harvard University

First hints of gravitational waves in the Big Bang’s afterglow

Krzysztof Bolejko, University of Sydney and Alan Duffy, The University of Melbourne

Scientists at the Harvard-Smithsonian Centre for Astrophysics in the US have announced overnight what they believe is the indirect detection of gravitational waves in the afterglow of the Big Bang. The…
Galaxies of every shape and size. NASA/ESA/S. Beckwith(STScI) and The HUDF Team

The measure of the universe through Doppler lensing

Krzysztof Bolejko, University of Sydney

There are so many galaxies in the universe that if you point a telescope in any direction in the night’s sky you are bound to see some. Just look at the image (above) of the sky as provided by the Hubble…

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