Skytalk Archive

Move over Stonehenge – Philadelphia will feature its own version on Friday, April 6 at 7:30 p.m., when the sunset will align with M ...

An acceptable range for the estimated number of galaxies in the universe is between 100 and 200 billion, according to astronomer Mario Li ...

The Dwarf planet Ceres is showing signs of cryoactivity and…water(ice)! Sodium carbonate, a mineral seen by the Dawn spacecraft in ...

Textbooks typically describe the nearby Andromeda galaxy as being three to four times larger than our galaxy, the Milky Way. However, new ...

Remember to advance your timepieces one hour before retiring Saturday night; Daylight Savings Time starts Sunday morning at 2:00 am. ...

NASA’s Mars Reconnaissance Orbiter has returned images that clearly show thick layers of water ice just beneath the surface and ext ...

The Trump administration’s NASA budget proposal for 2019 recommends $19.9 billion dollars, which is $370 million above last year. H ...

Planets have been observed for the first time orbiting stars in a distant galaxy 3.8 billion light years away. Einstein suggested that th ...

On Wednesday, January 31st, don’t miss the Super Blue Blood Total Lunar Eclipse Moon! This lunar event means that the second full m ...

Continue your lunation observations: The first quarter moon is on Wednesday Jan. 24. Here’s what to look for: a. The line th ...

Of the remaining cohort of Earthlings privileged to set foot on the moon, let’s extend 88th birthday greetings this week to Buzz Al ...

Eighty-six new star names have been approved by the International Astronomical Union, an association of professional astronomers. The nam ...

Dr. Pitts and Dave Heller recap their top astronomy stories of 2017: Astronomers were elated this year when the three operational g ...

Monday, December 18 is the new moon of the year’s last lunar cycle. The moon will be in the 1st quarter by Christmas Eve. If you ...

The Geminid meteor shower peaks Wednesday and Thursday this week with upwards of 100 meteors per hour. The moon is a very thin wani ...