Astronomical Terms Used in : All Categories
| Periastron + | Periastron: The Dance of Binary Stars … | Galactic Astronomy |
| Perigee + | When the Moon Gets Closer: Understandin… | Galactic Astronomy |
| Perihelion + | The Sun's Embrace: Understanding Perihe… | Galactic Astronomy |
| Periodical Stars + | Periodical Stars: A Glimpse into the Rh… | Galactic Astronomy |
| Period, Julian + | Time's Unending Cycle: The Julian Perio… | Galactic Astronomy |
| Period, or Periodic Time + | The Rhythm of the Cosmos: Understanding… | Galactic Astronomy |
| Perpetual Day + | The Midnight Sun: Perpetual Day in the… | Galactic Astronomy |
| Perpetual Night + | The Darkness Within: Understanding Perp… | Galactic Astronomy |
| Perrine, Charles Dillon + | Charles Dillon Perrine: A Life Dedicate… | Astronomers |
| Perseids + | The Perseids: A Cosmic Spectacle of Sum… | Cosmology |
| Perseus (The Hero) + | Perseus: The Hero of the Northern Sky … | Constellations |
| Personal Equation + | The Personal Equation: A Human Factor i… | Galactic Astronomy |
| Perturbations + | The Cosmic Dance: Understanding Perturb… | Galactic Astronomy |
| Peters, Christian Heinrich Friedrich + | Christian Heinrich Friedrich Peters: Th… | Astronomers |
| Phact + | The Stellar Enigma: Phact and the Myste… | Stellar Astronomy |
| Phase + | Dancing in the Light: Understanding Pha… | Cosmology |
| Phecda + | Phecda: A Star of the Great Bear The s… | Stellar Astronomy |
| Phobos + | Phobos: Mars's Speedy, Doomed Moon Pho… | Solar System Astr… |
| Phoenix (the Phcenix) + | Rising from the Ashes: The Constellatio… | Constellations |
| Photography, Stellar + | Capturing the Cosmos: Stellar Photograp… | Galactic Astronomy |
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
- Altair A name applied to t… Stellar Astronomy
- Alshain A name sometimes ap… Stellar Astronomy
