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The Solar System
Solar System – General
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
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
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
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
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
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
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
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
Observatories and Tools
AAS: Robert Hurt, AstroVizicist, The Art of Astronomical Data – 24L
Blinking the Moon (Seeing the crashed Japanese SLIM Lander from orbit) – 24B
EAS: Updates on Missions and Observatories (Parker Solar Probe, ELT on Earth) – 30
Gaia, Cataloger of the Universe – 29
The Future of Arecibo – 29
Missions and More Missions (ESA’s, and Future Habitability Probes Beyond Mars) – 29
Historical Astronomy, Modern Astronomy, and Related
Deeper Looks – Is There An Astronomical Way to Know When 2024 Actually Ends?? – 24W
TWO Border Crossings This Month! Bring On The Snake-Handler! – 24U
Kepler’s Sunspots and the Camera Obscura – 24O
Tycho Brahe, the (al)Chemist – 24N
A Whale of a Border Crossing! – 43
Don’t Make Telescopes Without Glasses (Huygens Eyesight 300 Years Later) – 43
Happy New Year…but WHICH Year?? – 38
The Black Hole Donut – 36
The 13th Constellation of the Zodiac Houses the Sun! Teach With It! – 35
Pieces of the Earliest Star Catalog Found – 34
Resources on Modern Astronomy’s Issue from Nature Astronomy – 31
The Image of Astronomers – 31
AAS: When Did Kepler Realize Ptolemy Was Wrong? – 27
Cetus and Other Zodiac Constellations, and Jupiter – 26
Will You Love Me in the Spring? Or Kill Me? (A Dinosaur’s Bad Spring Day) – 19
Galileo’s House in Padua for Sale – Half Price! – 15
A Career in Shipping (Ships named Astronomer ) – 14
Special Report: Dr. Fauci’s Sign? (The Astronomy of Ophiuchus) – 13
Mercury’s NOT Retrograding THAT Way! – 10
Moon phases, and Earth Seasons in the Calendar, how they relate to Kepler’s Second Law – 9
Harmony of the Worlds (Turning the orbits of the planets into Sounds) -4 Exoplanet orbits – 6
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
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
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