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Michael J. I. Brown

Michael J. I. Brown

Associate professor, Monash University
I am an observational astronomer, studying how galaxies evolve over billions of years.

I was born and raised in Melbourne’s southeastern suburbs. My interest in astronomy began as a child, when the Voyager spacecraft visited the outer planets. I undertook my undergraduate and postgraduate studies at the University of Melbourne during the 1990s. For my PhD, I used (now antiquated) photographic plates to identify thousands of galaxies and measure their distribution in space.

In 2000 I joined the staff of the National Optical Astronomy Observatory, and started working on surveys of the distant Universe with large ground-based telescopes and satellites. In 2004 I was awarded Princeton University’s Henry Norris Russell Fellowship, and studied the growth of the most massive galaxies. Using thousands of galaxies in the constellation of Bootes, I found that the most massive galaxies have grown slowly over the past seven billion years, which is almost certainly due to mergers of galaxies.

Since 2007 I have been at Monash University’s School of Physics and Astronomy. I am measuring spectra of galaxies across the electromagnetic spectrum, which is useful for measuring the distances to galaxies, the luminosities of galaxies and how rapidly galaxies form stars. I am also using large astronomical surveys to measure how rapidly galaxies are growing, and how this growth compares to the growth of dark matter halos.

Looking at the universe through very different 'eyes'

Jan 22, 2018 11:39 am UTC| Insights & Views Science

We are bathed in starlight. During the day we see the Sun, light reflected off the surface of the Earth and blue sunlight scattered by the air. At night we see the stars, as well as sunlight reflected off the Moon and the...

Space Science Series

We can learn a lot from the changing night sky

Jan 07, 2017 01:10 am UTC| Science

You cannot feel or hear the world turning. It does not rumble through space. But you can see it turn with your own eyes every day and night. And, with patience, you can see Earth travel around the Sun. As the globe...

How to quickly spot dodgy science

Jan 04, 2017 05:00 am UTC| Science

I havent got time for science, or at least not all of it. I cannot read 19,000 astrophysics papers every year. No way. And I have little patience for bad science, which gets more media attention than it deserves. Even...

Trump has embraced pseudoscience and its deceptive tactics in a post-truth world

Dec 12, 2016 09:30 am UTC| Science Politics

As a scientist, I expect the Trump presidency to have a curious familiarity. Why? Because the relentless stream of falsehoods and character attacks of Trumps campaign mainstreamed disinformation tactics that biologists,...

Space Science Series

Less secrecy could help astronomy stop the bullying and harassment within its ranks

Nov 23, 2016 03:00 am UTC| Insights & Views Science

Shocking allegations of bullying, harassment and sexual assault at CSIROs Astronomy and Space Sciences (CASS) division were revealed on Sunday by the ABCs Background Briefing program. In CASS alone, the Radio National...

UFOs, climate change and missing airliners: how to separate fact from fiction

Jun 20, 2016 06:47 am UTC| Insights & Views

If youve been on social media then perhaps youve seen the Ancient Aliens meme; a wild-haired alien aficionado Giorgio A. Tsoukalos attributing all manner of things to aliens. Giorgio A. Tsoukalos is a well known...

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Economy

U.S. Treasuries suffer ahead of May manufacturing PMI, April FOMC policy meeting minutes

The U.S. Treasuries slumped Tuesday ahead of the countrys manufacturing PMI for the month of May, scheduled to be released on May 23 by 13:45GMT. Also, the 5-year Note auction, due on the same day and of utmost importance,...

Global Geopolitical Series: U.S. Commerce Department issues AD & CVD on steel products from Vietnam with substrate from China

The U.S. Commerce Department announced yesterday that it would imposing Anti-dumping Duty (AD) and Countervailing Duty (CVD) on imports of cold-rolled Steel and Corrosion resistant steel from Vietnam saying that these...

German bunds slump ahead of May manufacturing PMI, Q1 2018 GDP

The German bunds slumped during European session Tuesday as investors wait to watch the countrys manufacturing PMI for the month of May, scheduled to be released on May 23 by 07:30GMT and the gross domestic product (GDP)...

Australia’s ANZ-Roy Morgan weekly consumer confidence index rises for sixth straight week on optimism over financial conditions

Australias ANZ-Roy Morgan consumer confidence index rose for the sixth straight week up 0.7 percent to 121.6, the highest in 15 weeks. The details were somewhat mixed; while views towards financial conditions improved,...

New Zealand bonds close higher on hopes of deterioration in April trade balance data

New Zealand bonds ended Tuesdays session on a higher note as investors hope to see a worse deterioration in the countrys trade balance data, scheduled to be released on May 23 by 22:45GMT amid an otherwise, silent trading...

Politics

The first terrorist act in Indonesian prison: the triggers and how to prevent them

Indonesia witnessed another terrorist act last week. But, this time, it occurred in a maximum-security detention centre located at the polices Mobile Brigade headquarters in Depok, West Java. More than 150 terrorist...

Would America vote for Oprah for president?

America has had a black president. Is the country ready for a black president who is also a woman? Speculation about the candidacy of Oprah Winfrey makes clear that some voters think so. Granted, Winfrey says she...

Lawyers keep secrets locked up – so they get asked to do the dirty work

Lawyers seem to at the center of lot of scandals lately. President Donald Trumps personal lawyer, Michael Cohen, whose office and hotel were raided by the FBI, is only the latest example. Harvey Weinsteins law firm...

Rise of cryptocurrencies could curb American power

There has been a lot of talk in foreign policy circles of the coming post-American world in which the international system will transition from a unipolar to a multipolar system. But, as we currently stand, the US remains...

Debate: On secularism in the 21st century

In January 2018 the French commemorated the Charlie Hebdo attacks that occurred three years earlier. The expression of American solidarity then toward the victims in France was quick and unwavering just as it was in the...

Science

Scientists Just Found A Black Hole That Is Eating Everything In Its Path

Black holes are some of the most terrifying subjects in the realm of science. Not only do they offer a glimpse into the raw power that is present in the universe, they also invoke undefinable terror in those who imagine...

Salt Could Prevent Hearing Loss After An Explosion

In movies, whenever a bomb goes off or an explosion occurs, there is that iconic moment where sounds are muffled and there is a high-pitched ring that pervades the whole scene. While films can go over-the-top with regards...

Scientists Want To Make Dogs Live Longer

Dogs are some of the most endearing creatures on the planet and one of the most tragic things about them is their short lives, at least when compared to humans. Depending on the breed, they can live from 7 to 15 years, on...

700,000-Year-Old Find Proves Early Humans Settled The Philippines Longer Than Previously Thought

Archeologists recently made a monumental discovery in the Philippines that pushes back the earliest period of human settlement in the region that was previously thought by over 600,000 years. Rhino bones and tools that...

States Sue EPA Over Rollbacks Of Environmental Protection Regulations

The Trump administration might not believe in climate change and could not care less about the environment, but the rest of the US does. This is why 18 states so far are now suing the Environmental Protection Agency for...

Technology

Consumer Reports: No Recommendation For Tesla Model 3 Due to 'Big Flaws'

Consumer Reports (CR) recently announced that they will not be giving their sought-after recommendation to the Tesla Model 3 after a road test has uncovered big flaws in the electric car. In a recent report, the...

Google Argues $4.3 Billion Privacy Lawsuit Was Resolved 'Over Six Years Ago'

Google claims that the lawsuit currently filed in a UK court is about a privacy issue that had been resolved over six years ago. In 2017, the multinational tech company is slammed with another lawsuit in the United...

Australia Released a Report on Loses from Cryptocurrency Scams

The Australian government has recently released an analysis about how much money their populace lost to cryptocurrency scams. Published on May 21, the report revealed scams took an estimated $2.1 mln where it reached its...

'Fortnite' Developer Allots $100 Million For eSports Prizes

Epic Games, the developer of the popular video game Fortnite, wants to show they are serious about making a mark in the eSports industry. And if, for whatever reason, some people are doubting that, a recently allotted $100...

Walmart Files Patent for a Blockchain Marketplace

Retail giant Walmart has made several maneuvers to get itself establish within the blockchain market. Its most recent one is the filing for a blockchain-centered marketplace patent geared towards the reselling of purchased...
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May 22 13:00 UTC Released

MXRetail Sales MM

Actual

0.9 Bln ZAR

Forecast

Previous

1.6 Bln ZAR

May 22 13:00 UTC Released

MXRetail Sales YY

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1.2 %

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0.8 %

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1.2 %

January 31 00:00 UTC 160660160660m

ARAnnual Primary Balance*

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2016 bln ARS

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January 31 00:00 UTC 160660160660m

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2016 bln ARS

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Bln AR bln ARS

January 22 19:00 UTC 172480172480m

ARTrade Balance

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-1541 %

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2016 bln ARS

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January 22 19:00 UTC 172480172480m

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-1541 %

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2016 bln ARS

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January 31 00:00 UTC 160660160660m

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Bln AR bln ARS

January 31 00:00 UTC 160660160660m

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2016 bln ARS

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Bln AR bln ARS

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