The Galactic Times Newsletter Index

The Solar System

• Solar System – General
  • Earth and Solar System from Afar (HWO Simulation) – 25B
  • Finding All Five (Six) Naked-Eye Planets by Time of Night, Brightness, Moon Passing – 24T
  • Planetary occultations – 24D
  • 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
  • Deeper Look – The Partially Shy Sun (March’s Partial Eclipse of the Sun) – 25E
  • Interesting Eclipse Results from Citizen Scientists—Ballooning for Science -24KX
  • Viewing a Polarized Sun for Hours (Cover Story) – 24KX
  • This is Your Brain on Eclipses – 24KX
  • Solar Irradiance Varies With Several Cycles, and They Don’t Cause Climate Change – 24KX
  • The Total Eclipse from North and South (and Inside and Outside the Shadow) – 24G
  • What Can You Do With Solar Viewers After April 8th? – 24D
  • Eye Spy on the Sun – An experiment on naked-eyesunspot watching (Cover Story) – 24D
  • Solar Disk-o – Watching the Sun’s surface or Eclipses without a viewer or telescope – 24D
  • Shadow Travels – Where will the next solar eclipses be viewed before 2045? – 24D
  • Links (and 31-page PDF) to Solar Eclipse articles in The Classroom Astronomer – 24B, -24C
  • April’s Hybrid Eclipse – 43
  • The Coronal Rains on the Sun – 40
  • Observing Sunspots from Mars – 40
  • 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
  • Mercury Has Its Moment (March/April observing] – 24E
  • 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
  • Deeper Looks – Is There An Astronomical Way to Know When 2024 Actually Ends?? – 24W
  • Solar Irradiance Varies With Several Cycles, and They Don’t Cause Climate Change – 24KX
  • Mars Influences Earth’s Weather and Oceans…and That’s Not News An InDepth Story] – 24E
  • Odessa Meteor Crater – 42
  • AAS: Why is Our Day a Day Long?  – 41
  • 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
  • Meteor (Not the USA) Attacks Canada, Recorded on Security Camera – 25A
  • The Fiery Tears of Taurus the Bull (Can you get hit my a Taurid meteor? Potentially Hazardous Asteroids Lurking in a Meteor Shower Swarm? – 24T
  • 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
  • Sky Lessons: Chasing the Moon – 25B
  • September Mini-Eclipse (and October’s Annular and Near Miss) – 24P
  • March 25th Penumbral Lunar Eclipse – 24D, 24E
  • Super and Mini-Full Moons – 24C
  • Thirsty? Have a Glass of Sea of Tranquility Glass Beads! – 44
  • 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 Influences Earth’s Weather and Oceans…and That’s Not News [An InDepth Story] – 24E
  • The Rivers of Mars Ran Dry–When? – 24B
  • The Glaciers of Mars – 43
  • The Waters of Mars – 42
  • Observing Sunspots from Mars – 40
  • The Weather for the First 250 Sols on Mars – 39
  • Powering a Mars Base Using Winds – 38
  • The (Dust) Devil You Say! (Audio and Video!) – 37
  • 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 World Minus Rings But Plus Many Moons – 25E
  • Saturn’s Last Good Month—-and The Same for its Rings – 24W
  • Jupiter’s Crazy Clouds and JUICE – 44
  • The Red Trojans of Neptune – 44
  • 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, 24V
  • Finding Uranus – 7, -16
  • Watery Ganymede – 6
  • Observing Saturn at Opposition – 6
    
• Other Objects
  • 2024 YR4, the Almost City-Killer + NEO Resources – 25D
  • Meteor (Not the USA) Attacks Canada, Recorded on Security Camera – 25A
  • The Net-Yet-Angry Lion – Past and Future Leonid Meteor Storms – 24U
  • Comet Tsuchinshan-ATLAS in the Evening – A Montage – 24T
  • Comet Tsuchinshan-ATLAS, Comet’s First Appearance in Millenia – 24S
  • Comet Olbers in the Evening Sky (July 2024) – 24L
  • Eta Aquarids in 2024 Get a Boost from 2500-year-old Halley Debris – 24H
  • Two More Night (and One Eclipse Day) Chances to See Pons-Brooks -24F
  • A Night to See Comet Pons-Brooks – 24E
  • Comet Pons-Brooke – 24D
  • Citizen Scientists Solar System Discoveries (3 Asteroids Turn Cometary) – 24B
  • Two Meteor Showers Radiate from Taurus – 34
  • Dangerous NEA Nearby? – 34
  • 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
  • AAS: Runaway Dwarf in our Neighborhood – 24K
  • Rings!! (Wolf-Rayet Stars) – 24I
  • The Watch for T Cor Bor (Recurrent Nova about to erupt) – 24G
  • Filtering M-dwarf Stars for Habitable Exoplanets – 24B
  • Never to Old to Smoke (red giants in Milky Way’s center spraying metals into space) – 24B
  • Help for Your Cavities from the Stars – 24A
  • G and K Stars With Magnetism Have Interesting Personalities – 24A
  • Starspots Measure Age and Magnetism – 40
  • A Strange Star That is…REALLY Strange… – 35
  • In the Current Night Sky: That’s No Star You See, That’s a Star’s Inner Core. – 35
  • Boys and Girls, Would You Like a REAL Gold Star? -35
  • Supernova Warning System in Nature? – 34
  • 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
  • Looking for Earth-like Planets—Are We Actually Not Alone? , Part 2 (Habitable World Observatory) – 25B
  • Looking for Earth-like Planets—Are We Actually Not Alone? , Part 1 – 25A
  • Exoplanet Viewings and Findings – 24M
  • An Exoplanet With Air – 24I
  • Spock’s World? Not Yet – 24I
  • The Demographics of Exoplanets – 39
  • 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
  • Star Clusters That Birth Star Clusters (AAS: Why Is There No Dust in the Sun’s Way?)- 24K
  • Water in a Nebula – 43
  • When A Member of Your Family Commits a Messy Crime…. (Multiple Star in a Planetary Nebula ) – 37
  • 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
  • Close By and Moving Stars (The Ursa Major Cluster and the Sun’s Neighborhood) – 25C
  • Peering Into The Dragon, What’s in View at the North Ecliptic Pole, Close and Far? – 24J
  • (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
  • Black Holes in the Centers of….Dwarves? – 35
  • Getting the License Plate of That Colliding Galaxy – 19
  • A Nearly Complete Einstein Ring – 10
• Cosmology
  • What Turned on the Universe’s Lights? – 26
  • Largest Rings You Can’t Have or See – 24A

Miscellaneous

• Extraterrestrial Life
  • We Aren’t There Yet; Neither May Be Anybody Else – 24A
  • 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
  • Georgia on my….Universe? – 25E
  • Physics Terms in AEL – 25D
  • On February 6th…. (Alan Shepherd’s Golf Trip and Golf Store “Moon Golf”) – 25B
  • Tiki Me, Elmo! (Tiki Drinks with Planetary Names) – 24V
  • The Last Planet – 24U
  • Put a Ring On It—Your Night Life, That Is. (Saturn entertainment) – 24T
  • Summer Sky and Earthly Counterparts (Vega, Venus, Milky Way Galaxy) – 24P
  • Luna Businesses – 24O
  • How HOT is it? (Products with Temperature Names) – 24M
  • Space Balls Lives! – 24K
  • Equipment for Helping Eclipse-phobes – 24E
  • What If We Use Earthly Objects for the Night Sky? – 24D
  • Winter Stars on Earth -24C
  • The Highs and Lows of Astronomy (Businesses with Astro Coordinate Names) – 24A
  • Earthliness in Universe Life – 43
  • Moon Cheese! – 40
  • Starry Starry Drink – 39
  • 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
  • Tycho (and Kepler) in Prague; From Tycho’s Birthplace to His Grave – 24N
  • Star Wounds Along the Moon’s Shadow Path – 24C
  • Eating and Clubbing at the Planets #2 – 42
  • Odessa Meteor Crater – 42
  • Eating and Clubbing at the Planets – 41
  • Astronomy Art in Birmingham, AL – 38
  • Arabic New Moon and Stars in the Air- 34
  • 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
  • Deeper Looks – Is There An Astronomical Way to Know When 2024 Actually Ends?? – 24W
  • This is Your Brain on Eclipses – 24KX
  • What Planetary Parade? – 24J
  • Planetary Gastronomy, Foods With Planets in Their Names – 24H
  • Moon Music – 24C
  • Drinking in the Moon (Beverages with a Moon Motif!) – 24B
  • Astronomy is a Sweet Science – 44
  • Astronomy Art in Birmingham, AL – 38
  • 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

• Other
  • Commentary on MSU Shooting – 41
    
• Towards Cosmic Awareness – Astronomy Education Column
  • Teachniques with the Total Lunar Eclipse – 25D
  • Use the Moon and Jupiter To View Moon’s Orbital Tilt (in Moon Gazing) – 25D
  • Jupiter in the Classroom – 25C
  • Type of Classroom Demonstrations – 25C
  • Observing Plan-et! Use the Sky to Trace the Ecliptic) – 25C
  • Sky Lessons: Chasing the Moon – 25B
  • Sky Lessons: Observational Bucket Lists? Try the Occult(ations)! – 25A
  • Deeper Looks – Is There An Astronomical Way to Know When 2024 Actually Ends?? – 24W
  • Using Jupiter and its Four Bright Moves to Prove Kepler’s P^2 Does Equal A^3 – 24V
  • TWO Border Crossings This Month! Bring On The Snake-Handler! – 24U
  • Resources from the Division of Planetary Sciences Meeting, and More: Resources, Ungrading, Public Reasons for Attending Outreach Events, Rubin Observatory Investigations. – 24S
  • Kepler’s Sunspots and the Camera Obscura – 24O
  • Career and Content Astronomy Games – 24J
  • Re-imagining Nursery Rhymes, for Littles – 24H
  • The Watch for T Cor Bor (Recurrent Nova about to erupt) – 24G
  • Livestreams of the April 8th, 2024 Total Eclipse – 24F
  • Four Educational Projects You Can Do with Eclipses – 24F