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space

From the Hubble telescope to the Caldwell catalogue

For the 30th anniversary of the Hubble Space Telescope (in orbit since 1990), NASA has released 30 extraordinary new images. These are thirty celestial bodies that are part of what is known as the Caldwell Catalogue, first published in 1995…

space

Gaia maps the Milky Way, over 1.81 billion stars identified

It took a good 34 months of observations by Gaia, the astronomical satellite launched by ESA (European Space Agency), to obtain the most precise 3D map of our galaxy ever made. The Milky Way now has nearly 2 billion stars,…

space

Wet moon, lucky moon

On Monday 26 October 2020, NASA revealed a sensational discovery about our Moon: there is definitely water, also on its sunlit surface. The announcement was made with a press conference streamed at 5 p.m. Italian time. The notion that there…

space

The Sun is heating up again: a new solar cycle is beginning

Summer has just ended but the sun has yet to start to "warm up". Our star is a huge furnace that doesn't always work the same way but, like our mood, has ups and downs. There are times when the…

space

Is there life on Venus?

We call them "Martians" because, in science fiction, Mars has always been the natural home of extraterrestrials. In fact, of all the planets in the solar system, Mars is the prime candidate to host life, after Earth, of course. Indeed,…

space

Comet NEOWISE visible in the July sky

July nights have a special surprise in store for astronomy enthusiasts: Comet C/2020 F3 Neowise which, this month, is becoming more and more luminous to the point of being visible to the naked eye and photographable. The comet was observed…

space

Spring is back

While the temperatures of the last days of winter and the first shoots and buds on the trees had already announced it, on 20 March spring officially began again at 4:49 a.m. (Italian time). At that exact moment, the Sun…

space

New research to date ice on the Moon

A team of researchers at Brown University, supported by NASA, has conducted a new study to date the ice deposits in lunar craters. The first stage in the research to establish the age of the ice was to date the…

space

Bubbles of radio waves at the centre of the Milky Way

At the centre of the Milky Way there is a supermassive black hole called Sagittarius A*, which has captured the attention of an international group of astronomers from 15 different research institutions. An enormous hourglass-shaped structure that emits radio waves…

 
 
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