AstroInfo Article

Artemis II “Hello World” (Apr 2026)
Upcoming Nova in Corona Borealis (Jun 2024)
Social Media Locations (Nov 2022)
Seasonal Sunset Watches (Sep 2021)
Livestream Commentary: Mars Perseverance Entry, Descent, and Landing (Feb 2021)
Crew Dragon Splashdown: Sunday August 2, 11:15am Pacific (Aug 2020)
Comet NEOWISE (C/2020 F3) from West Seattle (Jul 2020)
#LaunchAmerica Live Commentary: SpaceX Demo-2 test flight of Crew Dragon (May 2020)
Seasonal Sunset Watches! (Jun 2019)
March 20 Spring Equinox Sunset Watch — 2019 (Mar 2019)
September 19 Fall Equinox Sunset Watch — 2018 (Sep 2018)
June 16 Summer Solstice Sunset Watch — 2018 (Jun 2018)
March 20 Spring Equinox Sunset Watch — 2018 (Mar 2018)
December 21 Winter Solstice Sunset Watch–2017 (Dec 2017)
September 22 Fall Equinox Sunset Watch–2017 (Sep 2017)
June 20 Summer Solstice Sunset Watch –2017 (Jun 2017)
March 20 Spring Equinox Sunset Watch — 2017 (Mar 2017)
December 21 Winter Solstice Sunset Watch — 2016 (Dec 2016)
September 22 Fall Equinox Sunset Watch — 2016 (Sep 2016)
June 20 Summer Solstice Sunset Watch — 2016 (Jun 2016)
December 21st Winter Solstice Sunset Watch – 2015 (Dec 2015)
September 23 Fall Equinox Sunset Watch – 2015 (Sep 2015)
Aurora Viewing from Seattle — Basic Tips (Sep 2015)
Make Your Own Pluto Globe (MAPS as of 7-16-2015!) (Jul 2015)
EVENT: Plutopalooza Phone Home (Jul 2015)
June 20 Summer Solstice Sunset Watch – 2015 (Jun 2015)
Aurora Alert: March 17, 2015 G4 Storm (Mar 2015)
Conjunction, Seattle, Today 2-21-2015 5:30pm (Feb 2015)
Winter Solstice Sunset Watch – 2014 (Dec 2014)
Where to Find AstroInfo? (Nov 2014)
Fall Equinox Sunset Watch with Preschool Activities! – 2014 (Sep 2014)
Aurora Alert? Where to find more info (Aug 2014)
Interview with KOMO Radio – July 2014 (Jul 2014)
Summer Solstice Sunset Watch – 2014 (Jun 2014)
Which Binoculars Should I Buy? – 365 Days of Astronomy Podcast (May 2014)
Which Binoculars? – 365 Days of Astronomy (May 2014)
Spring Equinox Sunset Watch – 2014 (Mar 2014)
More Exoplanets! (Feb 2014)
How Many Times Can One Spacecraft Leave the Solar System? – 365 Days of Astronomy (Feb 2014)
Winter Solstice Sunset Watch – 2013 (Dec 2013)
Comet ISON from Seattle, after Perihelion (November 28) (Dec 2013)
Watch the MAVEN Launch With Me: Monday at 10am Pacific (Nov 2013)
Comet ISON from Seattle (Sep 2013)
Fall Equinox Sunset Watch – 2013 – Toddler Special and ISON Q&A (Sep 2013)
BREAKING NEWS: Possible Nova in Delphinus (Aug 2013)
Summer Solstice Sunset Watch – 2013 (Jun 2013)
What If We Had No Moon? (Oblivion Spoilers) (Apr 2013)
Where is Comet PanSTARRS? (Estimating the Sky in Degrees) (Mar 2013)
Photo of Comet PanSTARRS from West Seattle: Through the Clouds (Mar 2013)
Spring Equinox Sunset Watch — 2013 (Mar 2013)
Too Many Meteors? Nah. (Feb 2013)
Russian Meteor [Update] (Feb 2013)
Russian Meteor (Feb 2013)
Comet PanSTARRS (Feb 2013)
2012 DA14: Alice on KOMO Radio (Feb 2013)
Incoming: Asteroid 2012 DA14 (Jan 2013)
Astronomy Books for the Very Young (Jan 2013)
Green Meteor Over Seattle (Jan 2013)
My Favorite Maya Mythology and Astronomy (Dec 2012)
Winter Solstice Sunset Watch – 2012 (NOT the end of the world) (Dec 2012)
Henrietta Swan Leavitt… and Dolls (Oct 2012)
Fall Equinox Sunset Watch 2012 (Sep 2012)
Curiosity Lands on Mars! (Aug 2012)
NASA vs. The Olympics–Inspiring or Ho-Hum? (Jul 2012)
Mars Landing Watch at The Kenney (Jul 2012)
Mars Rover Rocker-Bogie Differential (Jul 2012)
Summer Solstice Sunset Watch 2012 (Jun 2012)
Transit of Venus — Seattle Report (Yes, we saw it!) (Jun 2012)
Transit of Venus Viewing – Solstice Park (May 2012)
Transit of Venus – Tuesday, June 5, 2012 (May 2012)
Annular Solar Eclipse – Sunday May 20, 2012 (May 2012)
Partial Solar Eclipse Viewing 2012 – Solstice Park (May 2012)
Spring Equinox Sunset Watch 2012 (Mar 2012)
The Eddy and the Plankton (Feb 2012)
Winter Solstice Sunset Watch 2011 (Dec 2011)
Worlds of Stone: 11/23/2011 (Nov 2011)
Worlds of Stone: 11/08/2011 (Nov 2011)
Worlds of Stone: 10/25/2011 (Nov 2011)
Worlds of Stone: 10/19/2011 (Oct 2011)
Worlds of Stone, Worlds Unknown: NASA Investigates Mercury and the Asteroid Belt (Oct 2011)
My Star Exploded Last Week (Oct 2011)
Neutrinos Faster than Light? (Sep 2011)
UARS Re-entry (Sep 2011)
Autumn Equinox Sunset Watch 2011 (Sep 2011)
Last-Minute Stargazing – Comet Garradd and Supernova PTF11kly in Galaxy M101 (Sep 2011)
Live Commentary – Last Shuttle Launch (Jul 2011)
Rare Lunar Eclipse – June 15, 2011 (Jun 2011)
Summer Solstice Sunset Watch – 2011 (Jun 2011)
Seasons “Cheat Sheet” (Mar 2011)
Spring Equinox Sunset Watch – 2011 (Mar 2011)
Valentines: Stardust-NExT and Tempel 1 (Feb 2011)
Depressing Historic Events in the Space Program (Jan 2011)
Visiting AAS – An Intern’s View (Jan 2011)
Kepler 10b (Jan 2011)
Thunderstorms and Gamma Ray Flashes?! (Jan 2011)
Hanny’s Voorwerp – now in HST! (Jan 2011)
Storm on Saturn – with a Tail (Jan 2011)
Sunset Watch a Success! (Dec 2010)
Solstice Lunar Eclipse, 2010 — from Seattle (Dec 2010)
Winter Solstice Sunset Watch – 2010 (Dec 2010)
Astrobiology: Arsenic & New Bacteria (Dec 2010)
International Observe the Moon Night – 2010 (Sep 2010)
Autumn Equinox Sunset Viewing – 2010 (Sep 2010)
Red Light and Night Vision (Aug 2010)
Mars as Big as the Moon – 2010 (Jul 2010)
July-August 2010 (Jul 2010)
Soil on Mars Honors Around the Americas (Jun 2010)
Summer Solstice Sunset – 2010 (Jun 2010)
Kepler Mission: Basic Background (Jun 2010)
IKAROS – Japan’s Solar Sail (May 2010)
Space Missions You Really Should Know (May 2010)
Iapetus and the Cassini Regio: 365 Days of Astronomy (May 2010)
May-June 2010 Sky (Apr 2010)
Particle Aquarium (Apr 2010)
Iceland Volcano – Eyjafjöll (April 14, 2010) (Apr 2010)
Science with a Twist, Astronomy Day, and Carnival of Space (Apr 2010)
Earthquakes and the Length of a Day (Apr 2010)
Carnival of Space #147 (Mar 2010)
Earth-Centered Events (Mar 2010)
Ada Lovelace Day Featuring: Pamela Gay (Mar 2010)
Carnival of Space & Link (Mar 2010)
Hubble 3D vs Life (Mar 2010)
Spring Equinox Sunset – 2010 (Mar 2010)
Last-Minute Stargazing Tonight – West Seattle (Mar 2010)
March-April 2010 Sky (Feb 2010)
Spring (Feb 2010)
Which Way to Mars? (Feb 2010)
Moon over West Seattle (Feb 2010)
Communicating With Mars (Feb 2010)
Spirit at Troy (Feb 2010)
Why Is Rust Red? (Feb 2010)
The Rocket and the Sundog (Feb 2010)
Mineral Indications of Water (Feb 2010)
Carnival of Space #139 (Feb 2010)
Carnival of Space #138 (Jan 2010)
A Challenge for Artists! Spirit at Troy (Jan 2010)
Stationary Science: Spirit at Troy (Jan 2010)
Mars Calendar (Jan 2010)
Martian Adventures: A Tale of Two Robots (Jan 2010)
Dunes on Mars – New HiRISE Images (Jan 2010)
Dark Days of Winter: 365 Days of Astronomy (Jan 2010)
January-February 2010 Sky (Dec 2009)
Jay O’Callahan and the NASA Story (Dec 2009)
Winter Solstice Sunset – 2009 (Dec 2009)
Magnetotactic Bacteria (Dec 2009)
Geminids at the Seattle Christmas Ship (Dec 2009)
Answering Questions: Life on Other Planets? (Dec 2009)
West Seattle Stargazing Tonight – Solstice Park 12/7/2009 (Dec 2009)
2009 Gift Guide (Dec 2009)
Magnetotactic Bacteria from Mars? (Dec 2009)
Links for December 2 (Dec 2009)
Thanksgiving and Astronomy (Nov 2009)
November-December 2009 (Nov 2009)
More Happenings! (Nov 2009)
Huge New NASA Photos at Pacific Science Center (Nov 2009)
The Moon Has Water (Nov 2009)
Answering Questions: Life on Mars? (Nov 2009)
2012 – The (2009) Movie (Nov 2009)
2012 (Nov 2009)
Talk Coming Up! 2012: the Movie, the Astronomy, and the Hoax! (Nov 2009)
Alice’s AstroInfo Videocast and TV Interview (Oct 2009)
LCROSS Impact (Oct 2009)
Binocular Mount (Oct 2009)
MESSENGER’s 3rd Flyby of Mercury (Oct 2009)
Equinox Event (Sep 2009)
September-October Sky 2009 (Sep 2009)
Quick Updates: Kepler, Saturn, Perseids, Jupiter (Aug 2009)
A Puzzle and Two Carnivals (Jul 2009)
July-August Sky, 2009 (Jun 2009)
Two Carnivals (107 and 108) (Jun 2009)
Solstice Park, West Seattle (Jun 2009)
Animal Astronomy (Jun 2009)
Mars as Big as the Moon (2009 edition) – Still Not True (Jun 2009)
A Few Good Links (Jun 2009)
AstroInfo is One Year Old! (Jun 2009)
Sunspots (May 2009)
May-June Sky (May 2009)
Smithsonian Photography Contest (May 2009)
Carnival of Space #100 (Apr 2009)
Earth Revealed: Astronomy Day 2009 at Pacific Science Center (Apr 2009)
Carnival of Space #99 (Apr 2009)
GPS Satellites (Apr 2009)
Scientists Who Work in Astronomy-Related Fields Needed (Apr 2009)
Vacations to Mars and Pacific Science Center (Apr 2009)
Carnival of Space #96 (Mar 2009)
American Moon Illusion (Mar 2009)
Ada Lovelace Day and Carnivals of Space (Mar 2009)
NASA Update (Mar 2009)
Earth Hour (Mar 2009)
Planets Cards! (Mar 2009)
Comet Lulin (Mar 2009)
March is Imminent! (Feb 2009)
Carnival of Space #91 and a Side Note (Feb 2009)
Carnival of Love! …. I mean, Space! (Feb 2009)
Bright Stars Tonight (Feb 2009)
Let it Be Known … (Feb 2009)
Links from Class (Feb 2009)
Heat: We’re Doing it Wrong! (Feb 2009)
(Jan 2009)
Short. Life on Mars? (Jan 2009)
Dark Energy (Jan 2009)
Carnival of Space #85 and #86 (Jan 2009)
Blog Awards (Jan 2009)
January-February Sky (Jan 2009)
Calendrical Conundrums (Dec 2008)
The Star of Bethlehem (Dec 2008)
Carnival of Space #84 (Dec 2008)
Road Quality, West Seattle (Dec 2008)
Aliens? Yes. UFOs? No. (Dec 2008)
Carnival of Space #80, #81, #82, and #83 (Dec 2008)
Rainbows and Stars (Dec 2008)
Carl Sagan’s Cosmos (Nov 2008)
Tyson’s Speech (Nov 2008)
Exoplanets Photographed! (Nov 2008)
November-December Sky (Nov 2008)
Phoenix Epitaph Contest! (Nov 2008)
Density Waves: What’s Up with Galactic Spiral Arms? (Oct 2008)
Carnival of Space #76(?) (Oct 2008)
Icon Competition! (Oct 2008)
Snow Falling on … Mars (Oct 2008)
Planets and Moons (from the BA) (Oct 2008)
The Next Carnival of Space (#73) (Oct 2008)
NEW Images from Mercury!! (Oct 2008)
Carnival of Space: October 2, 2008 (Oct 2008)
What Telescope Should I Buy? (Sep 2008)
A List of Dwarf Planets (Sep 2008)
Why I Believe (In Dark Matter) (Sep 2008)
Astrobiology Rap (Aug 2008)
Rockets Bursting in Air (Aug 2008)
Mars Hoax, Again Again and Again (Aug 2008)
Planetary Alignment (Aug 2008)
Mars Has Water – Yes, Again (Aug 2008)
A New (Dwarf) Planet! (Jul 2008)
Retrograde Motion (Jul 2008)
July-August Sky (Jun 2008)
Stargazing Opportunities (Jun 2008)
The Ugly Ducklings: Composition of Uranus and Neptune (Jun 2008)
Ice on Mars! Umm… duh… (Jun 2008)
We Caught One! SWIFT Sees a Supernova! (May 2008)
Phoenix Landing (Apr 2008)
Asteroid 2007 TU24 NOT Going to Hit the Earth (Jan 2008)
Diffraction Spikes, or Why Stars Have Points (Dec 2007)
Comet Holmes (a.k.a. 17P) (Nov 2007)
Sputnik’s 50th (Oct 2007)
What’s Up with the Shuttle? (Sep 2007)
Aurigid Meteor Shower (Aug 2007)
Mars Hoax Again (Aug 2007)
Quasars vs Pulsars (Jul 2007)
Exo-Earth around Gliese 581? (Apr 2007)
The Tropics (Apr 2007)
Stellar Clusters (Mar 2007)
What is Hawking Radiation? (Feb 2007)
A Series of Questions (I) (Feb 2007)
Mercury at Greatest Elongation 2007 (Jan 2007)
March Lunar Eclipse (Jan 2007)
Chandra Sees Kepler’s Supernova (Jan 2007)
Polaris: A Cepheid Variable (Dec 2006)
Winter Solstice 2006 — Dark Days of Winter (Dec 2006)
Mars Has Water … (Dec 2006)
What is a Planet? (Aug 2006)