The Moon

Adapted from “Let’s Talk Astronomy”  (12/16/2019 episode) Winners’ Periscope ID noted at the end of each answer. Listen live on Periscope at 8 pm ET  most Mondays and other times       A new model of the birth of our Moon explains how our Moon ended up containing mostly Earth-like materials. The Yale study … More The Moon

Dwarf Planets

Dwarf Planets QUESTION: What is he name of the dwarf planet originally discovered in 1801? ANSWER: Ceres was listed as a planet, along with Pallas, Juno and Vesta. These were reclassified in 1883 as asteroids. @Pircano Pluto was discovered in 1930 by Clyde Tombaugh using a “blink comparator.” The discovered object was determined to be … More Dwarf Planets

The Deep Sky

Do you know about the approaching Andromeda galaxy?   Are you familiar with stellar evolution?   How much do you know about the bright stars in the June night sky?      The location of Jupiter? Today we have challenging questions inspired by the content of the June 2019 issue of Sky & Telescope magazine. I created seven … More The Deep Sky

Expired Stars

Do you know about expired stars? How much do you know about astronomy? How about expired stars Today we have challenging questions about dead stars based on the article “Expired Stars” by Roy Bishop in the Observer’s Handbook 2019. I created seven questions that could be answered without reading this chapter. You have up to … More Expired Stars

Variable Stars

 How much do you know about astronomy? How about variable stars? Today we have challenging questions based on the article “Variable Stars” by Stella Kafka and Elizabeth O. Waagen in the Observer’s Handbook 2019. I created five questions that could be answered without reading this chapter. You have up to five minutes to complete the … More Variable Stars

Multiple Stars

Do you know about double and multiple stars? How much do you know about astronomy? How about double and multiple stars? Today we have challenging questions about our double and multiple stars based on the article “Double and Multiple Stars” by Brian D. Mason in the Observer’s Handbook 2019. I created five questions that could … More Multiple Stars