Новости из категории: astronet

Northern Fox Fires

Пт, Декабрь 12, 2025 - 8:30

In a Finnish myth, when an arctic fox runs so fast that its bushy tail brushes the mountains, flaming sparks are cast into the heavens creating the northern lights. In fact the Finnish word "revontulet", a name for the aurora borealis or..

Galaxies in the River

Чт, Декабрь 11, 2025 - 8:30

Large galaxies grow by eating small ones. Even our own galaxy engages in a sort of galactic cannibalism, absorbing small galaxies that are too close and are captured by the Milky Way's gravity.

The Horsehead Nebula

Ср, Декабрь 10, 2025 - 7:30

Sculpted by stellar winds and radiation, this dusty interstellar molecular cloud has by chance has assumed an immediately recognizable shape. Fittingly known as The Horsehead Nebula, it lies some 1,500 light-years distant, embedded in the..

Light Elements and Other Photometric Parameters for Twenty Two Variable Stars

Вт, Декабрь 09, 2025 - 13:04

Light Elements and Other Photometric Parameters for Twenty Two Variable Stars

Вт, Декабрь 09, 2025 - 13:04

APOD: 2025 December 9 Б The Heart of the Soul Nebula

Вт, Декабрь 09, 2025 - 8:30

This cosmic close-up looks deep inside the Soul Nebula. The dark and brooding dust clouds outlined by bright ridges of glowing gas are cataloged as IC 1871. About 25 light-years across, the telescopic field of view spans only a small..

APOD: 2025 December 8 Б Flying Over the Earth at Night

Пн, Декабрь 08, 2025 - 8:30

Many wonders are visible when flying over the Earth at night. Such visual spectacles occur every day for astronauts in low Earth orbit, but the featured video captured several from the International Space Station (ISS) in 2011 and set them..

APOD: 2025 December 8 Б Flying Over the Earth at Night

Пн, Декабрь 08, 2025 - 8:30

Many wonders are visible when flying over the Earth at night. Such visual spectacles occur every day for astronauts in low Earth orbit, but the featured video captured several from the International Space Station (ISS) in 2011 and set them..

APOD: 2025 December 7 Б The Sun and Its Missing Colors

Вс, Декабрь 07, 2025 - 8:30

It is still not known why the Sun's light is missing some colors. Here are all the visible colors of the Sun, produced by passing the Sun's light through a prism-like device.

Apollo 17 at Shorty Crater

Сб, Декабрь 06, 2025 - 8:30

Fifty three years ago, in December of 1972, Apollo 17 astronauts Eugene Cernan and Harrison Schmitt spent about 75 hours on the Moon exploring the Taurus-Littrow valley, while colleague Ronald Evans orbited overhead. This snapshot from..

A Study of Algol-type Eclipsing Binaries Among Gaia DR3 Short-timescale Sources. I

Пт, Декабрь 05, 2025 - 13:53

This is the first part of the study of selected stars from the Gaia DR3 Short-timescale source list. For the analysis, I used data from the publicly available online photometric archives ZTF and ASAS-SN, as well as..

A Study of Algol-type Eclipsing Binaries Among Gaia DR3 Short-timescale Sources. I

Пт, Декабрь 05, 2025 - 12:53

This is the first part of the study of selected stars from the Gaia DR3 Short-timescale source list. For the analysis, I used data from the publicly available online photometric archives ZTF and ASAS-SN, as well as..