Новости из категории: astronet

Hubble s NGC 1546

Пт, Июнь 21, 2024 - 7:30

Returning to science operations on June 14, the Hubble Space Telescope used its new pointing mode to capture this sharp image of spiral galaxy NGC 1546. A member of the Dorado galaxy group, the island universe lies a mere 50 million..

Sandy and the Moon Halo

Чт, Июнь 20, 2024 - 8:30

Last April's Full Moon shines through high clouds near the horizon, casting shadows in this garden-at-night skyscape. Along with canine sentinel Sandy watching the garden gate, the wide-angle snapshot also captured the bright Moon's 22..

Unexplored Eclipsing Stars with Elliptical Orbits

Ср, Июнь 19, 2024 - 21:20

This study presents parameters of several poorly studied eclipsing variable stars with elliptical orbits. The data were obtained from solution of our own long-term photometric observations.

Search for Evolutionary Period Changes in the Double-mode Cepheid V367 Sct

Ср, Июнь 19, 2024 - 16:18

For both periods of the bimodal Cepheid V367 Sct, O - C diagrams spanning a 113-year time interval are constructed. The O - C diagrams have the form of parabolas, allowing quadratic ephemerides and evolutionary period change rates to be..

APOD: 2024 June 19 Б NGC 6188: Dragons of Ara

Ср, Июнь 19, 2024 - 8:30

Do dragons fight on the altar of the sky? Although it might appear that way, these dragons are illusions made of thin gas and dust. The emission nebula NGC 6188, home to the glowing...

APOD: 2024 June 18 Б Gigantic Jets over Himalayan Mountains

Вт, Июнь 18, 2024 - 8:30

Yes, but can your thunderstorm do this? Pictured here are gigantic jets shooting up from a thunderstorm last week toward the Himalayan Mountains in China and Bhutan. The composite image captured four long jets that occurred only..

APOD: 2024 June 17 Б Ou4: The Giant Squid Nebula

Пн, Июнь 17, 2024 - 8:30

Squids on Earth aren't this big. This mysterious squid-like cosmic cloud spans nearly three full moons on planet Earth's sky. Discovered in 2011 by French astro-imager Nicolas Outters, the Squid Nebula's bipolar shape is distinguished

APOD: 2024 June 16 Б Animation: Black Hole Destroys Star

Вс, Июнь 16, 2024 - 8:30

What happens if a star gets too close to a black hole? The black hole can rip it apart -- but how? It's not the high gravitational attraction itself that's the problem -- it's the difference in gravitational pull across the star that..

APOD: 2024 June 16 Б Animation: Black Hole Destroys Star

Вс, Июнь 16, 2024 - 8:30

Prominences and Filaments on the Active Sun

Сб, Июнь 15, 2024 - 7:30

This colorized and sharpened image of the Sun is composed of frames recording emission from hydrogen atoms in the solar chromosphere on May 15. Approaching the maximum of solar cycle 25, a multitude of active regions and twisting,..