Related topics: earth · nasa · stars · magnetic field · solar system

Image: SOHO's equinox sun

Last Wednesday, all locations on our planet enjoyed roughly the same number of hours of day and night. This event, called an equinox, takes place twice a year – around 20 March and then again around 23 September.

Jupiter's unknown journey through the early solar system revealed

It is known that gas giants around other stars are often located very near their sun. According to accepted theory, these gas planets were formed far away and subsequently migrated to an orbit closer to the star. Now, researchers ...

ESA's space weather mission to be protected against stormy sun

ESA is planning Earth's first dedicated space weather observatory to warn of potentially harmful turbulence in our parent star. Like a referee at a sports game, the Lagrange spacecraft will be able to observe both the sun ...

Image: Aurora Australis

Many people hope to catch a glimpse of these reddish-green swirls of colour floating in the polar skies. Few are as lucky as ESA astronaut Tim Peake, who captured this dazzling display of the aurora Australis from the International ...

Hiding black hole found

Astronomers have detected a stealthy black hole from its effects on an interstellar gas cloud. This intermediate-mass black hole is one of over 100 million quiet black holes expected to be lurking in the galaxy. These results ...

Image: ISS transits the sun

Humankind's most distant outpost was recently captured crossing the face of our enormous and gleaming sun. The fleeting transit of the International Space Station was over in the blink of an eye, but Ian Griffin, Director ...

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