The galactic centre can only be observed at certain wavelengths - such as X-rays - because large amounts of dust lie in our line of sight, blocking out optical light.
Thus, the outline of the black hole would be detectable as they move across our line of sight.
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Our penance will be the sleepless nights, the fools we will make of ourselves at loud noises, the looks on our faces at the sight of swerving cars, and the pains in our chests when no one is awake.
For good measure, there is also our first sight of Brando in broad daylight, mocking the imprisoned Martin Sheen.
She co-wrote and co-produced the film, and is seldom out of our sight.
And though often out of sight, our progress has been unmistakable.
Without being too pleased with ourselves and losing sight of our goal, going forward we will proceed with the system's deployment and, once complete, we look forward to contributing to the achievements that the K computer will make possible.
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With those words, I realized that in recent years we've focused so much on making our lives easier than they used to be that we've lost sight of an essential truth of our marriage: We're a good team.
"I think we're losing sight of what our ultimate goal is here, " said Genevieve.
Nor were they likely to in the near future, given the task ahead, and the sight from our window of the thousands of pilgrims milling around the white marble of the Grand Mosque.
Many of us get so caught up in our day-to-day duties that we lose sight of whether we're on the right path to begin with.
The consequences of our inaction are now in plain sight.
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It's just that when we lose sight of those words that our vanity kicks in.
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Most of the concerns expressed over the last few weeks in the Democratic caucus has been to ensure that we did not lose sight of the balance in our investment in people and families as we focused on balancing the budget.
All of us have an obligation to make sure that even as we work to rescue and rebuild our economy, we don't lose sight of that.
Alas, on this day the reward for our panting effort to the top is the sight of thick mist and the bite of a cold, wet wind.
"For two, three days we will do our best to avoid Reyhanli residents and keep out of sight, " said Bilal Abu Daher, a refugee from the outskirts of Damascus.
Fortunately, some of the next big things are well within our sight.
And like almost half of our survey respondents, you must keep the leaders in sight.
As you may have read, the two slates also have stylus slots, though the S Pen was nowhere in sight during our demo -- perhaps to keep it out of the hands of sneaky bloggers.
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While it may become the jumping off point for further exploration of our solar system and beyond, there are more earthly prizes in sight, with some scientists believing that it has the potential to solve the world's dependence on fossil fuels.
The reality is, just as all the music in the world stems from five pitches, and five colors combine to paint every amazing sight we see, our five senses are an important part of what can make life in retirement all that it can be.
Our center diligently adheres to never being alone with a child and never out of sight and hearing of another adult.
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But even as we dig our way out of this deep hole, it's important that we not lose sight of what led us into this mess in the first place.
One nitpick: despite our best efforts to get rid of fingerprints, smudges remained with no hope of removal in sight.
And our meal at 21212 deserves every spike of its sparkler - it's a humorous and clever romp without losing sight of deliciousness: plates look like elaborate puzzles, ingredients deliver snort-making surprises like parchment made from mushrooms, or smoked salmon with fingernail-sized buttered crumpets, all in a room that looks like Shrek's pulling parlour.
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