Skytalk Archive

Summer arrives this Saturday… on Mars! The season will be six months instead of three, thanks to the planet’ ...

Astronomers now ‘mapping’ brightness variations in stellar atmospheres. T-class “star” Luhman16 ...

This Superbowl Sunday is also Groundhog Day, cross-quarter day and Candlemas. A newly discovered Supernova 11.4 million light year ...

Astronomers have discovered a star with almost no impurities – just hydrogen and helium (and faint traces of calc ...

Julian Calendar year 2767 begins tomorrow. 13 days out of step with Gregorian Calendar which started in 1582. ChinaR ...

Let’s mark our 2014 calendars with these out-of-this-world reminders: Only 2 solar (April 29th- Annular, extreme ...

Time marches on, but sunrise will be stuck at 7:22 a.m. for more than a week. Winter constellations becoming prominent ...

LEGO Curiosity Rover model (295 pieces) goes on sale on Jan. 1. Designed by a mechanical engineer who actually worked o ...

Winter solstice arrives Saturday afternoon at 12:11. Saturday also marks a manned mission milestone, on 12/21/68 – ...

Venus is VERY bright after sunset; at its brightest for the year tomorrow. Don’t miss it. Nothing is ever this br ...

Earliest sunset arrives this Saturday, latest sunrise arrives early next month. Summer constellations can still be seen ...

Comet ISON arrives at the sun on Thanksgiving Day. Observers hope the close approach will dramatically increase dust pr ...

As Comet ISON heads towards the sun, its icy CO2 nucleus is beginning to sublimate, releasing the dust trapped since th ...

Earth-like is a very relative term; mass, size, distance from star, atmosphere, temperature, orbiting period are all fa ...

Question: What other solar system body has lakes? Answer: Titan, the largest moon of Saturn (slightly bigger than our m ...