light year

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light year

the distance light travels in one year, i.e. 5.9 x1012 miles.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
We are part of the Virgo Supercluster, made up of thousands of galaxies extending about 110 million light-years - or roughly 1,000 feet in our galaxy-as-a-dinner-plate scale.
The Japanese team calculates its galaxy was formed 12.91 billion light-years ago, the Daily Express reported.
Astronomers discovered the second monster black hole at the center of the galaxy Markarian 739, which is about 425 million light-years from Earth, toward the constellation Leo.
Astronomers recently found an additional 20 star systems that lie within just 33 light-years of Earth.
Launched into space in 1990, the eye in the sky snaps pictures of stars, galaxies, and planets thousands of light-years from Earth.
What's more, at just 1,500 light-years from Earth, Orion is the closest stellar maternity ward where massive stars have cleared the view.
M13 is 25,000 light-years from Earth, give or take 10%.
You give astronomical distances beyond the solar system in light-years, but professional astronomy papers use parsecs.
They're more distant, situated between 0.5 to 10 billion light-years away, and as such, tend to be dimmer, ranging in magnitude from about 13 to 17.
The pillars of gas and dust in the Eagle Nebula are about 7,000 light-years away from our solar system, living the in constellation Serpens.
Recent estimates, using a wide variety of 'standard candles,' range from just under 40 million light-years to somewhat over 70 million.
A resident of the constellation Leo, the newly discovered galaxy called Leo T is only about 600 light-years across--about one-sixteenth the diameter of the Milky Way--and 50,000 times brighter than the sun.