Sky Tonight—March 8, The Summer Triangle, a signpost for all seasons
Presently, the Summer Triangle shines in the eastern sky at and before dawn.
EarthSky Tonight—Nov 28, Summer Triangle in west on fall and winter evenings
In late June – around the June 21 solstice – the Summer Triangle pops out in the east as darkness falls and shines all night long.
EarthSky Tonight—Oct. 4, Use Summer Triangle to find plane of Milky Way galaxy
At this time of year, you can use the Summer Triangle – and the constellation Cygnus the Swan – to locate the plane of our Milky Way galaxy.
EarthSky Tonight—September 27, Summer Triangle high overhead on autumn evenings
Even as autumn is beginning, we still have several months to watch the large asterism known as the Summer Triangle. T
EarthSky Tonight—August 21, Summer Triangle high overhead on summer evenings
The three stars of the Summer Triangle shine so wonderfully brilliantly that you can see them from light-polluted cities or on a moonlit night.
Earthsky Tonight—August 8, Look overhead to see the summer Milky Way
A moonless sky means this is a good time to get out into the country for a look at the summer Milky Way: the edgewise view into our own galaxy.
Earthsky Tonight—July 16, Summer Triangle: Deneb and Cygnus the Swan
Deneb is the northernmost star in the Summer Triangle. Its constellation is Cygnus the Swan.
Earthsky Tonight—11: Altair, guide star to two small constellations
That is Altair, the brightest star in the constellation Aquila the Eagle, and the second brightest star in the Summer Triangle.
Earthsky Tonight—June 10: Find the Summer Triangle ascending in the east
On the other hand, asterisms are whatever you want them to be. They are just patterns on the sky’s dome. You can also make up your own asterisms, in much…
Earthsky Tonight—May 06, Milky Way encircles the horizon on May evenings
The disk of our Milky Way is shaped like a pancake. On May evenings, the plane of the pancake-shaped galactic disk coincides with the plane of the horizon