Sky Tonight—April 23, Two stars lead to constellation Hercules
The stars Arcturus and Vega can help you identify Hercules,
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The stars Arcturus and Vega can help you identify Hercules,
Tonight presents the expected peak of the Lyrid meteor shower, from late night Friday (April 22) until dawn Saturday (April 23).
The 2011 Lyrid meteor shower will pepper the night tonight between late night and dawn
The 2011 Lyrid meteor shower is now picking up steam
Presently, the Summer Triangle shines in the eastern sky at and before dawn.
Our Milky Way galaxy is a collection of several hundred billion stars. It has an estimated diameter of 100,000 light-years.
You can use the brilliant star Sirius – and the star Vega – to imagine the direction our sun and solar system are traveling through space.
In late June – around the June 21 solstice – the Summer Triangle pops out in the east as darkness falls and shines all night long.
At nightfall and early evening, the bowl-shaped constellation Corona Borealis – the Northern Crown – shines to the lower right of the star Vega, close to your western horizon.
Even as autumn is beginning, we still have several months to watch the large asterism known as the Summer Triangle. T