Sky Telescope Noticas recientes

1. 41,000 Years Ago, Auroras Appeared Across the Globe

   A weakened geomagnetic field left Earth almost defenseless against harmful cosmic radiation 41,000 years ago, but that didn’t stop humans from thriving.

   The post 41,000 Years Ago, Auroras Appeared Across the Globe appeared first on Sky & Telescope.

2. Vera Rubin Observatory: Astronomy’s New Workhorse

   In February 2025, Sky & Telescope contributing editor Govert Schilling visited three new astronomical observatories in northern Chile. This is the second of a three-part blog series.

   The post Vera Rubin Observatory: Astronomy’s New Workhorse appeared first on Sky & Telescope.

3. This Week's Sky at a Glance, April 25 – May 4

   The Moon passes Mars when Mars passes the Beehive. Sirius, the Winter Star, sinks away in the southwest. Arcturus, the Spring Star, shines high toward the southeast. Vega, the Summer Star, is already nosing up in the northeast. All at once.

   The post This Week's Sky at a Glance, April 25 – May 4 appeared first on Sky & Telescope.

4. Tariffs Alarm the Amateur Astronomy Industry

   Lenses, electronics, and many other telescope parts are made in Asia, putting even U.S.-based manufacturers in a bind.

   The post Tariffs Alarm the Amateur Astronomy Industry appeared first on Sky & Telescope.

5. Asteroid Vesta Now an Easy Catch in Binoculars

   Vesta, both protoplanet and asteroid, reaches opposition on May 2nd. From a dark sky it's even visible with the naked eye.

   The post Asteroid Vesta Now an Easy Catch in Binoculars appeared first on Sky & Telescope.

6. Hints of Life on a Potential Ocean Planet

   Astronomers might have detected hints of life on a faraway planet — but they need more observations before they can say for sure.

   The post Hints of Life on a Potential Ocean Planet appeared first on Sky & Telescope.

7. Meet Asteroid Donaldjohanson: Long and Lumpy

   During a close flyby on April 20th, NASA’s Lucy spacecraft surprised its science team by revealing an asteroid that was once two smaller pieces that have been conjoined into a larger whole.

   The post Meet Asteroid Donaldjohanson: Long and Lumpy appeared first on Sky & Telescope.

8. Plumes from Saturn's Moon Enceladus Might Come Straight from Its Hidden Ocean

   Researchers reanalyzing Cassini data think the plumes from Enceladus might provide direct access to the Saturnian moon's underground ocean.

   The post Plumes from Saturn's Moon Enceladus Might Come Straight from Its Hidden Ocean appeared first on Sky & Telescope.

9. This Week's Sky at a Glance, April 18 – 27

   Bright Jupiter is getting lower in the west week by week and is nearly at its farthest from Earth. But it's still the brightest point in the evening sky, qualifying as the "Little Evening Star" in the absence of Venus.

   The post This Week's Sky at a Glance, April 18 – 27 appeared first on Sky & Telescope.

10. Webb Telescope Reveals What Happens When a Planet Spirals Into Its Star

    When astronomers discovered a star that had swallowed its own planet, they found a surprise — the planet may have spiraled in to its demise.

    The post Webb Telescope Reveals What Happens When a Planet Spirals Into Its Star appeared first on Sky & Telescope.