Gill used actual topographic maps of Mars to create a vision of what the planet might have looked like billions of years ago.
These observations will go a long way towards refining what we know about quasars, and what conditions were like in the universe billions of years ago.
FORBES: Hubble Telescope Observes Matter Falling Into Black Hole
It will climb the rise, and, as it does so, study rocks that were laid down billions of years ago in the presence of liquid water.
Like the leftover static originating from the big bang billions of years ago that we can still hear on the radio, the residue of the Phillips curve lurks.
NASA's Spirit and Opportunity rovers, which landed on the Red Planet in 2004, have found plenty of evidence that Mars was far warmer and wetter billions of years ago than it is today.
MSN: Scientists say parts of Mars interior are as wet as Earth's
Now a simple reform two years ago is drawing billions of dollars into the country's real estate sector.
Clinton took a big risk two years ago in supporting billions of dollars in loans to rescue the Mexican peso.
Like many other European state-owned telecoms, it had foolishly forked over billions for 3G wireless spectrum a few years ago.
Two years ago, the company was closing billions of dollars worth of loans.
This billion-tentacled beast, incubated 30 years ago to ensure defense communications, now hauls billions of missives, billions of dollars in transactions, two-way video, music files, auctions, phone calls and more.
About 25 years ago, the government declared war on cancer and paid billions of dollars to fight the deadly disease.
After years of research and the expenditure of billions of dollars, universities, research institutions and private companies succeeded about 10 years ago in mapping the human genome, showing the long string of genetic materials that's found in all cells.
After years and years and years of underperformance running first all, then two-thirds of the fast-dwindling assets at U. S. Growth with nary a glimmer of hope, and the continued loss of billions of dollars of shareholder assets, Vanguard finally did what it should have done years ago fired the musical-chairs team of growth managers at AllianceBernstein.
This poor performance and the billions spent on fees could have been easily averted if state trustees listened to John Bogle years ago.
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