News tagged with william herschel

A 'matryoshka' in the interstellar medium

As if it were one of the known Russian dolls, a group of astronomers, led by researchers at the Instituto de Astrofísica de Canarias, (IAC) has found the first known case of three supernova remnants one inside the other. ...

dateJul 14, 2016 in Astronomy
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How do we know there's a Planet 9?

At this point, I think the astronomy textbook publishers should just give up. They'd like to tell you how many planets there are in the solar system, they really would. But astronomers just can't stop discovering new worlds, ...

dateApr 25, 2016 in Space Exploration
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Hubble views a young elliptical galaxy

At the center of this amazing Hubble image is the elliptical galaxy NGC 3610. Surrounding the galaxy are a wealth of other galaxies of all shapes. There are spiral galaxies, galaxies with a bar in their central regions, distorted ...

dateNov 23, 2015 in Astronomy
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Saturn's "Death Star" moon Mimas

Much has been learned about Saturn's system of moons in recent decades, thanks to the Voyager missions and the more recent surveys conducted by the Cassini spaceprobe. Between its estimated 150 moons and moonlets (only 53 ...

dateOct 26, 2015 in Space Exploration
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Saturn's icy moon Enceladus

n the ongoing drive to unlock the secrets of Saturn and its system of moons, some truly fascinating and awe-inspiring things have been discovered. In addition to things like methane lakes and propane-rich atmospheres (Titan) ...

dateOct 20, 2015 in Space Exploration
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Ice giants at opposition

It seems as if the planets are fleeing the evening sky, just as the Fall school star party season is getting underway. Venus and Mars have entered the morning sky, and Jupiter reaches solar conjunction this week. Even glorious ...

dateAug 28, 2015 in Astronomy
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What is the asteroid belt?

In the 18th century, observations made of all the known planets (Mercury, Venus, Earth, Mars, Jupiter and Saturn) led astronomers to discern a pattern in their orbits. Eventually, this led to the Titius–Bode law, which ...

dateAug 24, 2015 in Space Exploration
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