Astronomical Terms Used in : All Categories
| Rotanev + | Rotanev: A Stellar Name with a Twist I… | Stellar Astronomy |
| Rotation + | Spinning Stars: Understanding Rotation … | Galactic Astronomy |
| Rowland, Henry Augustus + | Henry Augustus Rowland: A Pioneer in So… | Astronomers |
| Runcorn, S. Keith + | S. Keith Runcorn: A Pioneer in Paleomag… | Astronomers |
| Russell, Henry Norris + | Henry Norris Russell: Charting the Stel… | Astronomers |
| Rutherfurd, Lewis Morris + | Lewis Morris Rutherfurd: A Lawyer Turne… | Astronomers |
| Ryle, Sir Martin + | Sir Martin Ryle: A Pioneer of Radar and… | Astronomers |
| Sadachbia + | Sadachbia: A Tale of Two Stars in Aquar… | Stellar Astronomy |
| Sadalmelik + | Sadalmelik: The "Good Fortune of the Ki… | Stellar Astronomy |
| Sadalsund + | Sadalsuud: The Star of Fortunes In the… | Stellar Astronomy |
| Sagan, Carl + | Carl Sagan: A Visionary Who Brought the… | Astronomers |
| Sagittarius (the Archer) + | The Archer: Sagittarius, a Constellatio… | Constellations |
| Sagitta (the Arrow) + | Sagitta: The Little Arrow Piercing the … | Constellations |
| Saros + | The Saros: Unveiling the Secrets of Ecl… | Galactic Astronomy |
| Satellites + | The Celestial Dance: Satellites in Stel… | Solar System Astr… |
| Saturn + | Saturn: The Jewel of the Solar System … | Solar System Astr… |
| Schedir + | Schedir: The Variable Star at the Heart… | Solar System Astr… |
| Scheiner, Christoph + | Christoph Scheiner: Sunspots, Controver… | Astronomers |
| Schiaparelli, Giovanni Virginio + | Schiaparelli: The Man Who Saw Canals on… | Astronomers |
| Schlesinger, Frank + | Frank Schlesinger: A Pioneer in Stellar… | Astronomers |
Most Viewed
- Alpha Centauri The closest star sy… Stellar Astronomy
- Astronomical Light Curves Graphs showing the… Galactic Astronomy
- Andromeda Galaxy A spiral galaxy loc… Galactic Astronomy
- Alshain A name sometimes ap… Stellar Astronomy
- Altair A name applied to t… Stellar Astronomy
