Contrail Shadow X
What created this giant X in the clouds? It was the shadow of contrails illuminated from below. When airplanes fly,
Continuer la lectureWhat created this giant X in the clouds? It was the shadow of contrails illuminated from below. When airplanes fly,
Continuer la lectureYes, but can your volcano do this? To the surprise of some, Mt. Etna emits, on occasion, smoke rings. Technically
Continuer la lectureWhen the dark shadow of the Moon raced across North America on April 8, sky watchers along the shadow’s narrow
Continuer la lectureA jewel of the southern sky, the Great Carina Nebula is more modestly known as NGC 3372. One of our
Continuer la lectureFrom our vantage point in the Milky Way Galaxy, we see NGC 1232 face-on. Nearly 200,000 light-years across, the big,
Continuer la lectureNot one, but two comets appeared near the Sun during last week’s total solar eclipse. The expected comet was Comet
Continuer la lectureThe explosion is over, but the consequences continue. About eleven thousand years ago, a star in the constellation of Vela
Continuer la lectureSomething strange happened to this galaxy, but what? Known as the Cigar Galaxy and cataloged as M82, red glowing gas
Continuer la lectureOnly those along the narrow track of the Moon’s shadow on April 8 saw a total solar eclipse. But most
Continuer la lectureBaily’s beads often appear at the boundaries of the total phase of an eclipse of the Sun. Pearls of sunlight
Continuer la lecture