Czerwona zorza nad Polską

2024-05-12 Mariusz Durlej

Northern lights don't usually reach this far south. Magnetic chaos in the Sun's huge Active Region 3664, however, produced a surface explosion that sent a burst of electrons, protons, and more massive, charged nuclei into the Solar ...

AR 3664: Grupa Giant Sunspot

2024-05-11 Franco Fantasia & Guiseppe Conzo (Gruppo Astrofili Palidoro)

Right now, one of the largest sunspot groups in recent history is crossing the Sun. Active Region 3664 is not only big -- it's violent, throwing off clouds of particles into the Solar System. Some of these CMEs are already impacting the ...

Galaktyka, odrzutowiec i słynna...

2024-05-09

Bright elliptical galaxy Messier 87 (M87) is home to the supermassive black hole captured in 2017 by planet Earth's Event Horizon Telescope in the first ever image of a black hole. Giant of the Virgo galaxy cluster about 55 million ...

Czarna dziura powiększająca się za...

2024-05-07

What happens when a black hole devours a star? Many details remain unknown, but observations are providing new clues. In 2014, a powerful explosion was recorded by the ground-based robotic telescopes of the All Sky Automated Survey for ...

Całkowite zaćmienie Słońca od Sliver...

2024-05-06 Reinhold Wittich; Music: Sunrise from Also sprach Zarathusra (R. Strauss) by Sascha Ende

This is how the Sun disappeared from the daytime sky last month. The featured time-lapse video was created from stills taken from Mountain View, Arkansas, USA on 2024 April 8. First, a small sliver of a normally spotted Sun went strangely dark. ...

Czarna dziura zakłóca mijaną gwiazdę

2024-05-05

What happens to a star that goes near a black hole? If the star directly impacts a massive black hole, then the star falls in completely -- and everything vanishes. More likely, though, the star goes close enough to have the black hole's ...

3 AT

2024-05-04 Yuri Beletsky

Despite their resemblance to R2D2, these three are not the droids you're looking for. Instead, the enclosures house 1.8 meter Auxiliary Telescopes (ATs) at Paranal Observatory in the Atacama Desert region of Chile. The ATs are designed to be ...

Temperatury na egzoplanecie WASP-43b

2024-05-03

A mere 280 light-years from Earth, tidally locked, Jupiter-sized exoplanet WASP-43b orbits its parent star once every 0.8 Earth days. That puts it about 2 million kilometers (less than 1/25th the orbital distance of Mercury) from a small, cool ...

M100: Galaktyka spiralna w wielkim stylu

2024-05-02 Drew Evans

Majestic on a truly cosmic scale, M100 is appropriately known as a grand design spiral galaxy. The large galaxy of over 100 billion stars has well-defined spiral arms, similar to our own Milky Way. One of the brightest members of the Virgo ...

IC 1795: Mgławica Rybia Głowa

2024-05-01 Roberto Colombari & Mauro Narduzzi

To some, this nebula looks like the head of a fish. However, this colorful cosmic portrait really features glowing gas and obscuring dust clouds in IC 1795, a star forming region in the northern constellation Cassiopeia. The nebula's colors ...