Новости из категории: astronet

BVI_c CCD Observations of V729 Car

Ср, Август 27, 2025 - 15:53

We present 691 magnitude measurements in the B, V, and I_c filters acquired for the ultra-long-period Cepheid V729 Car. The shape of the light curve of V729 Car remained constant for 25 years, the star may really be a classical Cepheid...

Метеор и звездное скопление

Пн, Август 25, 2025 - 8:30

Иногда небо удивляет вас. Чтобы увидеть больше звезд и тусклую туманность в звездном скоплении Плеяды (M45), используют длинные..

APOD: 2025 August 25 Б The Meteor and the Star Cluster

Пн, Август 25, 2025 - 8:30

Sometimes even the sky surprises you. To see more stars and faint nebulosity in the Pleiades star cluster (M45), long exposures are made. Many times, less interesting items appear on the exposures that were not intended -- but later..

APOD: 2025 August 24 Б The Spinning Pulsar of the Crab Nebula

Вс, Август 24, 2025 - 8:30

At the core of the Crab Nebula lies a city-sized, magnetized neutron star spinning 30 times a second. Known as the Crab Pulsar, it is the bright spot in the center of the gaseous swirl at the nebula's core.

APOD: 2025 August 24 Б The Spinning Pulsar of the Crab Nebula

Вс, Август 24, 2025 - 8:30

At the core of the Crab Nebula lies a city-sized, magnetized neutron star spinning 30 times a second. Known as the Crab Pulsar, it is the bright spot in the center of the gaseous swirl at the nebula's core.

APOD: 2025 August 23 Б Fishing for the Moon

Сб, Август 23, 2025 - 8:30

How big is planet Earth's Moon? Compared to other moons of the Solar System, it's number 5 on the largest to smallest ranked list, following Jupiter's moon Ganymede, Saturn's moon Titan, and Jovian moons Callisto and Io. Continuing..

APOD: 2025 August 22 Б A Tale of Two Nebulae

Пт, Август 22, 2025 - 7:30

This colorful telescopic view towards the musical northern constellation Lyra reveals the faint outer halos and brighter central ring-shaped region of M57, popularly known as the Ring Nebula. To modern astronomers M57 is a well-known

APOD: 2025 August 21 Б Mostly Perseids

Чт, Август 21, 2025 - 8:30

In this predawn skyscape recorded during the early morning hours of August 13, mostly Perseid meteors are raining down on planet Earth. You can easily identify the Perseid meteor streaks. They're the ones...

Персеиды над Дердл-дор

Ср, Август 20, 2025 - 7:30

Что это за изогнутые дуги на небе? Метеоры, а точнее, метеоры из потока Персеиды этого года. В течение нескольких прошедших..

APOD: 2025 August 20 Б Perseid Meteors from Durdle Door

Ср, Август 20, 2025 - 7:30

What are those curved arcs in the sky? Meteors -- specifically, meteors from this year's Perseid meteor shower. Over the past few weeks, after the sky darkened, many images of Perseid meteors were captured separately and merged into a..

APOD: 2025 August 19 Б Giant Galaxies in Pavo

Вт, Август 19, 2025 - 12:34

Over 500,000 light years across, NGC 6872 (bottom left) is a truly enormous barred spiral galaxy. At least 5 times the size of our own large Milky Way, NGC 6872 is the largest known spiral galaxy.

APOD: 2025 August 18 Б NGC 1309: A Useful Spiral Galaxy

Вт, Август 19, 2025 - 12:34

This galaxy is not only pretty -- it's useful. A gorgeous spiral some 100 million light-years distant, NGC 1309 lies on the banks of the constellation of the River (Eridanus). NGC 1309 spans about 30,000 light-years, making it about one..