A global roughness map says Mercury shrank more than thought: nearly 12 miles in diameter, a 10–30% boost tied to debris-hidden wrinkles.
Tag: Astronomy
Hubble spots a giant decagon around Saturn’s south pole—about 104,250 miles wide—inviting comparisons with the long‑lived northern hexagon.
NASA’s Nancy Grace Roman Space Telescope launched Aug. 30, 2026; 30 days to L2, about three months of commissioning, then a five-year, 1.4‑TB/day survey.
Dust in Antarctic snow matches solar system cloud crossings, while 10% N2O under a 70% Sun warms Earth’s equator to about 41°F.
Discover the fastest known star in the Milky Way, orbiting the supermassive black hole Sagittarius A* at incredible speeds.
The 2026 total solar eclipse cast a mesmerizing shadow from Greenland to Spain, offering a rare celestial spectacle.
Supermassive black holes eject winds 100 times more powerful than previously estimated, impacting galaxy formation.
The Perseids Meteor Shower, a dazzling celestial event, peaks in August, offering stargazers a breathtaking view of shooting stars.
The James Webb Space Telescope captures stunning infrared images of the Lion Nebula, revealing intricate details of its structure and composition.
Get ready to wish upon a shooting star—or twenty! One of the night sky’s most charming spectacles, the Lyrid meteor shower, is