Новости из категории: astronet

Strawberry Supermoon Over Devils Saddle

Пн, Июль 04, 2022 - 8:30

Near the horizon the full moon often seems to loom large, swollen in appearance by the famous Moon illusion. But time-lapse image sequences demonstrate that the Moon's angular size doesn't really change as it rises or sets. Its color..

Phobos: Doomed Moon of Mars

Вс, Июль 03, 2022 - 8:30

This moon is doomed. Mars, the red planet named for the Roman god of war, has two tiny moons, Phobos and Deimos, whose names are derived from the Greek for Fear and Panic. These...

Solargraphic Analemmas

Сб, Июль 02, 2022 - 7:30

For the northern hemisphere June 21 was the summer solstice, the Sun reaching its northernmost declination for the year. That would put it at the top of each of these three figure-8 curves, or analemmas, as it passed through the daytime sky..

Астрономическая неделя с 4 по 10 июля 2022 года

Пт, Июль 01, 2022 - 9:14

На данной неделе 4 июля Земля достигнет афелия своей орбиты на расстоянии 1,0167154 а.е. от Солнца, а 7 июля Луна (Ф= 0,56+) пройдет севернее..

The Solar System s Planet Trails

Пт, Июль 01, 2022 - 8:30

Stars trail through a clear morning sky in this postcard from a rotating planet. The timelapse image is constructed from consecutive exposures made over nearly three hours with a camera fixed to a tripod beside the Forbidden City in Beijing,..

Third Body in GSC 3937 2349, a New W UMa Variable

Чт, Июнь 30, 2022 - 11:38

The analysis of minima timings of the newly discovered W UMa variable GSC 3937 2349 (V=13.2m, P=0.2875d) revealed the light time effect that can be assigned to the third body in the system. Parameters of the third body orbit were..

Comet C 2017 K2 (PanSTARRS)

Чт, Июнь 30, 2022 - 8:30

Imaged on June 20 2022, comet C/2017 K2 (PanSTARRS) shares this wide telescopic field of view with open star cluster IC 4665 and bright star Beta Ophiuchi, near a starry edge of the Milky Way.

Solar System Family Portrait

Ср, Июнь 29, 2022 - 8:30

Yes, but have you ever seen all of the planets at once? A rare roll-call of planets has been occurring in the morning sky for much of June. The featured fisheye all-sky image, taken...

Mercury from Passing BepiColombo

Вт, Июнь 28, 2022 - 7:30

Which part of the Moon is this? No part -- because this is the planet Mercury. Mercury's old surface is heavily cratered like that of Earth's Moon. Mercury, while only slightly larger than Luna, is much denser and more massive..

The Gum Nebula over Snowy Mountains

Пн, Июнь 27, 2022 - 8:30

The Gum Nebula is so large and close it is actually hard to see. This interstellar expanse of glowing hydrogen gas frequently evades notice because it spans 35 degrees -- over 70 full Moons -- while much of it is quite dim.

Light Echoes from V838 Mon

Вс, Июнь 26, 2022 - 7:30

What caused this outburst of V838 Mon? For reasons unknown, star V838 Mon's outer surface suddenly greatly expanded with the result that it became one of the brighter stars in the Milky Way Galaxy in early 2002. Then, just as..

Planets of the Solar System

Сб, Июнь 25, 2022 - 8:30

Simultaneous images from four cameras were combined to construct this atmospheric predawn skyscape. The cooperative astro-panorama captures all the planets of the Solar System, just before sunrise on June 24. That foggy morning found..