Astronomy Picture of the Day
    

Astronomy Picture Of the Day (APOD)

Разложение далекого света Breaking Distant Light
19.09.2020

In the distant universe, time appears to run slowly. Since time-dilated light appears shifted toward the red end of the spectrum (redshifted), astronomers are able to use cosmological time-slowing to help measure vast distances in the universe.


Орион в глубину Orion in Depth
18.09.2020

Orion is a familiar constellation. The apparent positions of its stars in two dimensions create a well-known pattern on the bowl of planet Earth's night sky. Orion may not look quite so familiar in this 3D view though.


Арп 78: пекулярная галактика в созвездии Овна Arp 78: Peculiar Galaxy in Aries
17.09.2020

(xxxedit and linkxxx) Peculiar spiral galaxy Arp 78 is found within the boundaries of the head strong constellation Aries, some 100 million light-years beyond the stars and nebulae of our Milky Way galaxy. Also...


Солнечный цикл 25 начинается Solar Cycle 25 Begins
16.09.2020

The general trend of monthly sunspot data now confirms that the minimum of the approximately 11 year cycle of solar activity occurred in December 2019, marking the start of Solar Cycle 25. That quiet Sun, at minimum activity, appears on the right of this split hemispherical view.


Выброс гравия с астероида Бенну Gravel Ejected from Asteroid Bennu
15.09.2020

Why does asteroid Bennu eject gravel into space? No one is sure. The discovery, occurring during several episodes by NASA's visiting ORISIS-REx spacecraft, was unexpected. Leading ejection hypotheses include impacts by Sun-orbiting meteoroids, sudden thermal fractures of internal structures, and the sudden release of a water vapor jet.


В атмосфере Венеры обнаружен биомаркер фосфин Biomarker Phosphine Discovered in the Atmosphere of Venus
14.09.2020

Could there be life floating in the atmosphere of Venus? Although Earth's planetary neighbor has a surface considered too extreme for any known lifeform, Venus' upper atmosphere may be sufficiently mild for tiny airborne microbes. This usually disfavored prospect took an unexpected upturn yesterday with the announcement of the discovery of Venusian phosphine.


Восход Кукурузной Луны Corn Moon Rising
13.09.2020

A rising moon can be a dramatic sight. A rising Full Corn Moon was captured early this month in time-lapse with a telephoto lens from nearly 30 kilometers away -- making Earth's ascending half-degree companion appear unusually impressive.


M2-9: крылья туманности Бабочка M2 9: Wings of a Butterfly Nebula
12.09.2020

Are stars better appreciated for their art after they die? Actually, stars usually create their most artistic displays as they die. In the case of low-mass stars like our Sun and M2-9 pictured here, the stars transform themselves from normal stars to white dwarfs by casting off their outer gaseous envelopes.


Тысяча метеоров A Thousand Meteors
11.09.2020

Over a thousand meteors flash through the night in this intriguing timelapse video. Starting in April 2019 the individual video frames were selected from 372 relatively clear nights of imaging from an automated wide-field observatory in rural New South Wales Australia.


Появление Марса The Reappearance of Mars
10.09.2020

Mars reappears just beyond the Moon's dark limb in this stack of sharp video frames captured on September 6. Of course to reappear it had to disappear in the first place.


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