Sky Telescope Noticas recientes

1. This Week's Sky at a Glance, February 21 – March 2

   Venus, after standing alone, is joined by the crescent Moon and low little Mercury in twilight late this week. Higher in the night, Jupiter and Mars continue in their distinctive triangles.

   The post This Week's Sky at a Glance, February 21 – March 2 appeared first on Sky & Telescope.

2. Euclid Discovers Einstein Ring Around Nearby Galaxy

   The Euclid space telescope has uncovered an "Einstein ring" in an unexpected place — a nondescript galaxy we've known for more than a century.

   The post Euclid Discovers Einstein Ring Around Nearby Galaxy appeared first on Sky & Telescope.

3. Release of 4,000 Supernovae to Aid Cosmology

   A new survey contains 3,628 Type Ia supernovae — the exploding white dwarfs that astronomers use as cosmological toeholds to gauge our expanding universe.

   The post Release of 4,000 Supernovae to Aid Cosmology appeared first on Sky & Telescope.

4. Meet Almaaz, the Billy Goat Star

   Almaaz, also called Epsilon Aurigae, is among the weirder stars of the night sky — a supergiant with a dust-enshrouded companion.

   The post Meet Almaaz, the Billy Goat Star appeared first on Sky & Telescope.

5. Cracking Crusts Might Set Neutron Star Speed Limit

   New research explores how the cracking of a neutron star’s crust might determine how fast these extreme stellar remnants can spin.

   The post Cracking Crusts Might Set Neutron Star Speed Limit appeared first on Sky & Telescope.

6. This Week's Sky at a Glance, February 14 – 23

   Jupiter makes a triangle with Aldebaran and the Pleiades. Mars makes a nicer triangle with Pollux and Castor. The pre-dawn Moon hangs with Spica, then Antares.

   The post This Week's Sky at a Glance, February 14 – 23 appeared first on Sky & Telescope.

7. Webb Telescope to Weigh in on Impact Odds for Asteroid 2024 YR4

   So far, searches for archival images that could confirm or rule out the asteroid's impact have come up dry, but Webb observations in May could help pin down the orbit.

   The post Webb Telescope to Weigh in on Impact Odds for Asteroid 2024 YR4 appeared first on Sky & Telescope.

8. A Rare Kind of White Dwarf Could Foster Habitable Worlds

   Extra amounts of an uncommon element — neon-22 — could re-energize some white dwarfs, and potentially make the systems habitable.

   The post A Rare Kind of White Dwarf Could Foster Habitable Worlds appeared first on Sky & Telescope.

9. See Crescent Venus This Valentine's Day

   In a delightful cosmic coincidence, Venus will shine brightest on Valentine's Day.

   The post See Crescent Venus This Valentine's Day appeared first on Sky & Telescope.

10. Glenn Schneider, 1955–2025

    Astronomy has lost one of its most passionate chasers of total solar eclipses with the passing of astronomer Glenn Schneider.

    The post Glenn Schneider, 1955–2025 appeared first on Sky & Telescope.