In breaking news today, astronomers have discovered Pi in the sky, proposed a revolutionary search for extraterrestrial environmentalism . . . and oh yes, April Fools’!
Two amateur videos shot early on March 17th show a brief but bright flash on the edge of Jupiter’s disk. Did the King of Planets get whacked again?
Hot Nights, Hotter Days on Super-Earth 55 Cancri e
Volcanic wasteland or exotic, two-faced atmosphere? A new thermal map of this super-Earth exoplanet is puzzling astronomers.
Astronomers have measured the spin of one of the universe’s most massive black holes — and provided evidence that the behemoth has a companion.
Engineers are working to recover the recently launched X-ray observatory after it suffered a serious “communications anomaly.”
This Week’s Sky at a Glance, April 1 – 9
This is the time of year when Arcturus shines just as high in the east as Sirius, the brighter Winter Star, shines in the southwest. New Moon on Thursday morning brings the waxing crescent back into evening skies late next week, hanging near Mercury next Friday evening.
Hidden within the subtle hues of the stars are the keys to their temperatures and compositions. Get acquainted with the classic OBAFGKM spectral sequence through real stars you can see on a spring night.
This month’s astronomy podcast takes you on a guided tour of the night sky. You’ll find Mars and Saturn near each other before dawn, while Jupiter and Mercury join the fading constellations of winter in the evening sky after sunset.