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The Solar System
- Solar System – General
- 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 Cover Story
Information and How to Observe -2
- Inner Planets
- Venus
Exploration of Hot Venus Heating Up – 11
- Earth
- 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
- 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
- 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
- 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 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
- Betelguese’s Dimming -3
- Red Giants in Spring Skies are Pulsing -1
- Exoplanetary systems
- 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
Miscellaneous
- Historical Astronomy and Related
- 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
- 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
- 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
- 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