Astrofacts

Astrofacts

News, curiosity and facts about the Universe and all of its objects. Practice astronomy and photography about the night sky.


Saturn and its moons: reaching a total of 145

22 May 2023 1 minute read 0 comments Luke86

With the recent discovery of 62 new moons, the Lord of the Rings regains its position at the top of the podium for planets with the most natural satellites, reclaiming the spot it had to concede to Jupiter a few months ago. The discovery was announce...

Huygens, the (slightly) nearsighted astronomer

16 Mar 2023 2 minute read 0 comments Luke86

Extraordinary astronomer of the seventeenth century, Christiaan Huygens was also a telescope designer. But his instruments were not always up to the standards of the time. According to Alexander Pietrow, a researcher at the Leibniz Institute for Astr...

Maia, a space mission for human health

11 Mar 2023 3 minute read 0 comments Luke86

NASA and the Italian Space Agency (ASI) are collaborating to build and launch the Multi-Angle Imager for Aerosols (Maia) mission, which aims to study the impact on human health of aerosols that pollute some of the world's most populous cities, includ...

Continues the back and forth on Mars water

3 Mar 2023 5 minute read 0 comments Luke86

On both sides of the Atlantic, the debate between those who believe that a liquid water lake lies beneath the surface of the Red Planet and those who think there are less exciting explanations to account for the signals seen by Mars Express has gaine...

The Welsh island with the darkest skies in Europe

1 Mar 2023 1 minute read 0 comments Luke86

The small island of Ynys Enlli, off the northwestern coast of Wales, has become the first site in Europe to receive certification as an International Dark Sky Sanctuary from the International Dark-Sky Association.   Bardsey Island or Ynys Enlli, whic...

The origin of Earth's elements in meteorites

28 Feb 2023 1 minute read 1 comment Luke86

For decades, astronomers have been trying to understand the origin of the material that makes up Earth and the other rocky planets in our solar system. Two models have been proposed: the Wetherill-type accretion model, which suggests that most of the...

Giant black holes on a collision course

27 Feb 2023 2 minute read 0 comments Luke86

A new study has detected two pairs of supermassive black holes in two dwarf galaxies on a collision course. The observations were obtained from Chandra X-ray data and could provide useful insights into the evolution of black holes in the early univer...

Jupiter Sets Record with 92 Moons

26 Feb 2023 1 minute read 0 comments Luke86

Jupiter, the largest planet in the solar system, now holds the title for having the most moons. The Minor Planet Center has recently published the orbits of 12 previously undiscovered moons of Jupiter, bringing the total to 92 and surpassing Saturn's...

The Asteroid That's No Longer a Threat

25 Feb 2023 1 minute read 0 comments Luke86

On February 3rd, an asteroid roughly 500 meters long flew past our planet at a distance of about 1.8 million kilometers. NASA's Goldstone Deep Space Network seized the opportunity to study it up close, not only determining its many characteristics bu...

China is on Mars!

15 May 2021 1 minute read 0 comments Luke86

It's the second nation, next to USA, able to make a rover landing on the surface of the Red Planet.   A 10 months travel in space towards Mars, the last 3 spent in orbit around it and then, the landing. Last night, next to United States, China became...