The Galactic Times Newsletter Index

The Solar System

• Solar System – General
  • It was Cosmically Cloudy and Cold About Two Million Years Ago – 26
  • The Grand Line-Up in the Dawn! – 25
  • The Silver Link to the Early Solar System’s Late Bombardment – 25
  • The Weakest Atmospheres (Pluto’s Hazes, Mercury’s Magnetosphere Border) – 17
  • How our Solar System Will Look in 5 Billion Years Plus – 11
    
• Sun
  • An Angry Sun? (Sun is in an X-ray Tear Recently) – 24
  • Have a Corona, NASA! (Parker Probe goes inside Corona) – 15
  • Annular Eclipse June 10 – 3
    Information and How to Observe -2
    
• Inner Planets
  • AAS: Where Life Could Be on Venus? – 27
  • Does Mercury Look Reddish to You? – 26
  • Venus – 11
  • Exploration of Hot Venus Heating Up – 11
    
• Earth
  • The Oldest Part of Earth Caused by Cosmic Impacts – 30
  • AAS: Sunrise, Sunset (USNO Checks on Accuracy of Predictions) – 27
  • Go Trojans! (Earth Gains One, Moves up to 4th place) – 17
  • When IS the Shortest Day of the Year, Really? – 15
  • Earth’s Weight Gain (Cosmic Smoke increases our Mass) – 15
  • The Answer is (Water) Blowing in the (Solar) Wind – 14
  • Hurricanes, Sunspots and Climate Change, Oh My! – 9
    
• Meteors and Showers
  • The Meteor Drizzle, But That’s Okay! – 25
  • A Possible Meteoric Outburst May 30th? – 24
  • Observing the Perseids, and More – 6
  • It is always a meteor shower season now -2
    
• Moon
  • Lunar Water, Good, Lunar Soil for Plants, Not So Much – 24
  • A Clouded, Dark Eclipse – 24
  • The May 15-16th Total Lunar Eclipse – What to View – 23
  • Where to Build Lunar Bases (S. Pole locations) – 14
  • The Longest Lunar Partial Eclipse (Nov. 19, 2021) – 13
  • New Moon Probes – 6
  • The Lunar Dispatch (Historical and Literary Newsletter) – 6
  • May 26 Total Lunar Eclipse – 3
  • Photograph -2 Information
  • Shadows near Moon’s South Pole -1
    
• Mars
  • Mars Explorers! Need Oxygen? Zap – 30
  • A Roundup of Mars Discoveries (Aurorae, Glaciers, Solar Power vs Nuclear) – 23
  • You Think YOU Have Flooding Problems?? – 10
  • Snow on Mars – 8
  • Mars: The Future (The JAXA Sample Return Mission, ExoMars 2022, and Future Missions to other planets, too) – 7
  • All Mars Probes’ Landing Sites -6
  • Mars: The Present (What We Know to Date from All Active Missions) – 6
  • Mars’ New Rover from China -2
  • List of active landers, orbiters and other probes -2
  • Mars’ Probes and Ingenuity’s Sounds -1
    
• Outer Planets
  • A Shallow Sea Under the Surface of Europa? – 23
  • Moons Around an Exo-Jupiter, and Water Around One of Ours – 11
  • Where is Planet 9? – 11
  • Getting Breezy on Jupiter – 10
  • Observing Jupiter and its Moons at Opposition – 7
  • Finding Uranus – 7, -16
  • Watery Ganymede – 6
  • Observing Saturn at Opposition – 6
    
• Other Objects
  • Throwing a DART Successfully, Part 2! Or, How to Defend A Planet – 33
  • Throwing a DART Successfully – 32
  • Where Did Ryugu Come From? – 30
  • The Perseids and Comet K2 (Summer 2022) – 29
  • DNA in Meteorites – 23
  • Comets PanSTARRS and Leonard Fizzle Out and Die – 23
  • Comet Leonard Before Dawn – 14
  • Touring the Asteroid Bennu—the Awesome Video – 7
  • A Drunk Comet – 5
  • Largest Comet Ever? – 4
  • Oort Cloud origin – 3
  • You Want a Piece of Asteroid? (Vesta Fragments) – 1

Stars, The Milky Way, and Beyond

• Stars
  • The More Metal, The More Wonderful (Mira Variable Stars) – 26
  • And the Weather on Betelgeuse Was Cooler with Clouds…. – 25
  • The Fireball Flash of a Nova, Before It Goes Nova, Is Finally Observed – 24
  • Yes, Dying Stars Do Cause New Stars To Be Born – 17
  • Two Stars Tearing Each Other Apart? (Z Cma) – 16
  • The Demon Star May Have a Family (Algol) – 16
  • Finding and Measuring Algol’s Brightness, a Simple Way for Beginners – 16
  • Speaking of Coronal Activity… (A distant solar-type star with superflares shows it has coronal mass ejections, too!) – 15
  • Are White Dwarves Solar System Post-Mortems? – 13
  • The Rosetta Stone of Supernovae -12
  • Predicting a Supernova 16 Years From Now – 10 & 9
  • (Venus’ phases, and conjunction with) Delta Scorpii—a gas blowing star – 10
  • A Rare (and Barely Naked Eye) Nova – 7
  • Betelgeuse’s Dimming -3
  • Red Giants in Spring Skies are Pulsing -1
    
• Exoplanetary Systems
  • A-stars and Exoplanets – The Two Rarely Meet, Why? Have We Found The Exception? – 30
  • AAS: Exoplanets in Binaries, Around A, B or AB? – 28
  • AAS: How Do Planets and Systems Form? – 27
  • Hiding in Plain Sight (A Multi-Planet System 32 ly Away) – 26
  • The Layers of the Atmosphere of a Hot Exoplanet – 17
  • Finding b Centauri, binary with a planet (with sky chart – 15
  • Water Elsewhere, Trapped in Trappist-1 – 14
  • Moons Around an Exo-Jupiter, and Water Around One of Ours – 11
  • A Diversity of Exoplanets, Are We Not The Standard? – 7
  • Moon Dust – 6
  • Harmony of the Worlds (Turning the orbits of Exoplanet orbits into sounds – 6
  • Who Can See US? – 5
  • Distribution of giant planets around other stars -2
    
• Nebulae and Clusters
  • Pleiades Lost and Found – 17
  • The Local Bubble, and the Nearby Local Interstellar Clouds (The Fog Lifts on Our Solar Neighborhood) – 16
  • 3D Printing of Molecular Interstellar Clouds – 10 & 9
  • Interstellar Dust from Planetary Nebulae -3
  • Nova Cass 2021 -3
    
• Our Milky Way
  • (Galactic) Halos Are Not a Single Ring, but Many Fragments (Star Streams are the Remnants of Clusters and Galaxies the Milky Way has Absorbed) – 16
  • Knock, Knock. No, You Can’t Come In (Galactic Cosmic Rays in the Core) – 13
  • A Whole Lot of Gas, or a New Spiral Arm? – 10
  • A Lot of Spilt Milk Made Our Galaxy – 5
  • The Shape of the Milky Way Galaxy as seen outside it, from pulsars – 4

• Galaxies
  • Getting the License Plate of That Colliding Galaxy – 19
  • A Nearly Complete Einstein Ring – 10

• Cosmology
  • What Turned on the Universe’s Lights? – 26

Miscellaneous

• Extraterrestrial Life
  • A Proposed Scale to Evaluate the Communication of Finding ETs -12
    • An Example of the Above, Today (concerning a “signal” from Proxima Centauri b) – 12

• Humor
  • The 400-Year Old Baseball Player; Jupiter as Slingshot – 33
  • Because We Need Some MORE Humor (Killing Birds with one stone — Chicxulub) – 32
  • Because We Need Some Humor (Illustrations of different worlds’ gravities, Artemis) – 31
  • Scientific Cereal – 30
  • Worst Quote EVER Heard at an Astronomy Conference – 28
  • James Webb and Buzz Lightyear–The First Five Images by Distance and Your Space Ranger Name! – 28
  • Random Observations (A Truck and an Actress with Astronomical Names) – 25
  • Lunar Eclipse “Products” – 23
  • Space – In the Dog House (Meteorite and the Dog House it Hit Auctioned Off) – 19
  • Valentine’s Day is Coming, Be a Goat, er, GOAT….. – 17
  • Merry Obliquity NOT <sigh> (A University gets the reasons for the season wrong) – 16
  • You Think? (Bad Newspaper Astronomy Headlines) – 13
  • GoFundMe. Please? (Car named Polestar) – 12
  • Ouch! (meteor on Canadian woman’s pillow) – 11
  • Signs of the Times? – 11
  • Delicious Space Dust – 7
  • Meghan’s Jewels – 7
  • Texas Representative said What??? -3
  • Eclipse Fashion for Young Astronomers -3
  • Sci-Fi sounding Research Paper Titles -1
    
• Travel
  • The Starry Streets of Mobile – 10
  • Halting Steps for an Outdoor Planetarium in Ireland – 8
  • A Visit to Orion. Orion, AL – 4
    
• Science and Society
  • EAS: Detriments…and Benefits(!)…of Satellite Constellations – 28
  • Astronomy on Tap – 28
  • The Impact of Astronomy on Healthcare and More – 28
  • Observatory Fire – 27
  • A Book on Astronomical Moms and the Pandemic – 24
  • Sailing, Sailing…..(Using Light Sails to Travel to Alpha Centauri) – 17
  • Bezos’ Plans – 6
  • Mr. Branson’s Space Flight – 5
  • Solar Stamps – 4