Science ❯ Astronomy

Distance Measurement

Light Years Apogee Lunar Laser Ranging Laser Ranging Light-Minutes Cosmic Distance Ladder Type Ia Supernovae Lunar Distance Erdnahe Vollmond Intrinsic Luminosity

Global Team Pins Local Hubble Constant at 73.50 km/s/Mpc With 1% Precision

The cross-checked result heightens the Hubble tension by landing well above early‑Universe estimates.

Gemini South Releases New Butterfly Nebula Image for Observatory’s 25th Anniversary

The Moon Is Drifting Farther From Earth by 3.8 Centimeters a Year

Jupiter Reaches Closest Point to Earth and Opposition in Rare Astronomical Event

Final Supermoon of 2024 Set to Illuminate Skies This Week

Astronomers Capture First High-Resolution Images of Spotted Polaris

James Webb Telescope Confirms Hubble's Universe Expansion Measurements

Astronomers Discover Universe's Brightest Black Hole