U.S. Naval Observatory articles over last 30 days

- articles last 30 days - articles per day
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2015/01/13 16:19
2015/01/13 16:19
17d
Nature tosses us a sweetheart deal this week. If you gaze south, you might spot a giant ball of ice – the greenish Comet Lovejoy – which is now about 50 million miles from our own pale blue...
2015/01/13 16:19
2015/01/13 16:19
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2015/01/12 19:20
2015/01/12 19:20
18d
June 30 will be a second longer than any other day this year. A “leap second” needs to be added in 2015 to make sure the time on atomic clocks stays in sync with Earth’s rotational time, but some...
2015/01/12 16:27
2015/01/12 16:27
18d
Buzz Cut: • Mitt’s qualms about GOP field driving potential run • Rand lands top strategist LaCivita • Walker, Ryan defeat Christie in bro primary: ‘Do you need a hug now?’ • Power Play: Sasse...
2015/01/09 13:09
2015/01/09 13:09
21d
Demetrios Matsakis at the U.S. Naval Observatory (Katherine Wells/The Atlantic) Presenting to fellow scientists on the thorniness of time, Demetrios Matsakis will sometimes show a passage from...
2015/01/13 16:19
2015/01/13 16:19
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