Radiation, Solar + | The Sun's Radiant Embrace: Understandin… | Galactic Astronomy |
Radius Vector + | Unraveling the Universe: The Radius Vec… | Galactic Astronomy |
Rahe, Jurgen + | A Life Dedicated to the Stars: Remember… | Astronomers |
Ramsden, Jesse + | Jesse Ramsden: Illuminating the Stars … | Astronomers |
Rasalas + | Rasalas: The Lion's Head, A Star With a… | Stellar Astronomy |
Ras Algethi + | Ras Algethi: A Star with Two Names and … | Stellar Astronomy |
Ras Alhague + | Ras Alhague: A Serpent's Head in the Sk… | Stellar Astronomy |
Rate of Clock + | Clock Rates in Stellar Astronomy: A Gui… | Galactic Astronomy |
Rayet, Georges Antoine + | Georges Antoine Pons Rayet: A Pioneer… | Astronomers |
Reading Microscopes + | Tiny Giants: Reading Microscopes in Ste… | Galactic Astronomy |
Real Ellipse + | Unveiling the Hidden Dance: The Real El… | Galactic Astronomy |
Redman, Richard Oliver + | Richard Oliver Redman: A Stellar Career… | Astronomers |
Red Stars + | The Fiery Embrace of Red Stars: Giants,… | Galactic Astronomy |
Reflecting Circle + | The Reflecting Circle: A Stellar Compas… | Galactic Astronomy |
Reflecting Telescope + | Peering into the Cosmos: Understanding … | Galactic Astronomy |
Reformation of Calendar + | Recalibrating the Cosmos: The Reformati… | Galactic Astronomy |
Refracting Telescope + | Peering into the Cosmos: The Refracting… | Galactic Astronomy |
Refraction + | The Cosmic Lens: Refraction in Stellar … | Galactic Astronomy |
Regiomontanus + | The Stellar Legacy of Regiomontanus: Br… | Astronomers |
Regulus + | Regulus: The Lion's Heart and a Bea… | Stellar Astronomy |