... The Summer Triangle Over Catalonia . ... Can you find the Summer Triangle? It's not hard to find this famous triangle of stars this time of year from northern locations. Just look straight up after sunset and find three of the brightest stars in the sky that nearly form a triangle. ... Last week included one of the few times in history that humanity launched something completely off the Earth, moving away so fast that it will never return. ... MyCn18: An Hourglass Planetary Nebula . ...