Skip links

Cs

in 20 billion years

in 20 billion years

in Tags

In the theory conceived in 2003 by Robert Caldwell, the force of dark energy grows so dramatically that it soon disintegrates matter itself until the Big Rip in 20 billion years. The Theory does not find much credit in the scientific environment.

in 6.3 billion years

in 6.3 billion years

in Tags

The core of the Sun runs out of Helium. Gravity prevails and causes a new collapse of the core, triggering violent and unstable mergers. A series of 4 convulsions occur, each separated by 100,000 years. The Sun reaches the frightening brightness of 5200 times the current one. They are

in 6.2 billion years

in 6.2 billion years

in Tags

The Sun’s core compresses and heats up to 100 million degrees. The heat expands into the outer layers turning it into a swollen red giant 250 times larger and 2700 times brighter than today. The Earth reaches the solar atmosphere and soon the friction makes it fall

in 5.1 billion years

in 5.1 billion years

in Tags

Second encounter-impact between the Milky Way and Andromeda. At this point, the two galaxies are an ellipsoidal cluster of nearly 1,000 billion stars – an elliptical galaxy that TJ Cox and Abi Loeb of the Harvard-Smithsonian Center for Astrophysics call Milkomeda.

in 3.9 billion years

in 3.9 billion years

in Tags

The central Black Hole of the Milky Way goes from a few million to a few billion solar masses thanks to a good feast of stars caused by the instability caused by the first impact with Andromeda. Eventually the object cyclically transforms itself into a very

in 3.8 billion years

in 3.8 billion years

in Tags

In the merger of our Galaxy (Milky Way) and that of Andromeda, the Sun has a 12% chance of ending up in the tidal tail and being ejected into the abysses of intergalactic space, a 3% chance of being incorporated by Andromeda in the subsequent

in 3.8 billion years

in 3.8 billion years

in Tags

First encounter-impact between the Milky Way and Andromeda. Gravity gives rise to rings and ripples in the distribution of the stars and expels a gigantic arc with more than a billion stars into the intergalactic vacuum.

in 2 million years

in 2 million years

in Tags

Comets launched towards the inner Solar System by the passage of the Scholz binary star, whiz around the Sun, threatening the Earth as well. Scholz’s binary star was discovered in 2013 AD and is composed of a red dwarf and a brown dwarf, both very weak

in 1.5 million years

in 1.5 million years

in Tags

The red dwarf star Gliese 710 passes just 1 light year from the Sun, interfering with the Oort Cloud and launching a few million comets towards the inner Solar System and therefore also the Earth. At this point Gliese 710 blazes in the sky with the

in 1 million years

in 1 million years

in Tags

850 light-years away, the (now) blue super-giant Rigel, in the constellation of Orion, explodes in a spectacular type II supernova that illuminates the night sky on Earth like 100 full moons concentrated in one spot. Before Rigel, the other very bright star of Orion, Betelgeuse (620

BigBang + 13MLD years

BigBang + 13MLD years

in Tags

(current age of the Universe) The universe, considered with discrete time and matter with a discrete quantum structure and discrete states, i.e. considered as a gigantic computer that processes information (qubits) has processed about 10 ^ 123 binary operations in the 4E17s available since the

4800

4800

in Tags

Passage of the Flaugergues Comet, also mentioned by Tolstoy in “War and Peace”. It had passed in 1811. It should come back in the year 4800.

2069

2069

in Tags

The signal sent by Yvan Dutil and Stephane Dumas, financed by the Houston company Encounter 2001 Llc, with the Evpatoria radio telescope in Ukraine, reaches 4 solar-type stars

November 19, 2020

November 19, 2020

in Tags

The closure of the Arecibo telescope is announced. Unfortunately, the damage caused by the collapse of some cables that support one of the platforms above the main plate, first this August, and then at the beginning of November, does not allow the safety of the workers. After

14 September 2020

14 September 2020

in Tags

Venus. A particular gas, phosphine, which on Earth is linked to anaerobic life forms is detected on the clouds that make up the atmosphere of Venus. Jane Greaves and colleagues – we read in our press accompanying the research – observed Venus with the James Clerk Maxwell

March 12, 2020

March 12, 2020

in Tags

As many as 139 minor planetary bodies are discovered in the Kuiper Belt. They are added to the three thousand already known trans-Neptunian objects (TNO – Trans-Neptunian Objects). The discovery was made through data from the Dark Energy Survey (DES) at the Cerro Tololo Inter-American Observatory in

2020

2020

in Tags

The number of known asteroids has risen to 853561. They were 100,000 in 2005, 10,000 in 1989 and 1,000 in 1921. The first, Ceres, was discovered in 1801.

12 September 2019

12 September 2019

in Tags

An evident trace of water is discovered in the atmosphere of K2-18b, a terrestrial type planet, which orbits in the Goldilocks zone (Goldilocks), or in the area around its star with terrestrial environmental conditions. The lead scientist is Giovanna Tinetti of University College London. The planet is

April 10, 2019

April 10, 2019

in Tags

Washington DC. Sheperd Doeleman, of Harvard University and Harvard-Smithsonian Center for Astrophysics, shows the first ever image of a black hole’s event horizon captured. This is the image of the black hole of M87, captured by a network of radio telescopes called the Event Horizon Telescope.

2019

2019

in Tags

Maytrayee Bose and Ziliang Jin, two astrophysicists from the University of Arizona, analyzing the very little material reported to Earth by the Japanese probe Hayabusa, and measuring the abundance of isotopes in the water, put forward the theory that at least half of the Earth’s

27 July 2018

27 July 2018

in Tags

Total eclipse of the Moon, with a record duration (in the 21st century) of 1h and 43min, with, at the same time, Mars, positioned in the sky very close to the Moon, in opposition (maximum diameter in the sky) with the atmosphere almost completely obscured

25 July 2018

25 July 2018

in Tags

The team led by the Italian Roberto Orosei of INAF discovers a lake of liquid salt water 20km long, under the South Martian polar ice cap. A few years later, in 2021, independent laboratory tests raise doubts about the possibility of having liquid water in those

28 March 2018

28 March 2018

in Tags

It turns out that the galaxy NGC 1052-DF2 has no dark matter. It is an ultra-diffuse galaxy with very low mass. It is therefore the first observed galaxy whose orbital speed is consistent with the force of gravity expected from its observable stars. The presence of even just

November 16, 2017

November 16, 2017

in Tags

Pisa. Adalberto Giazotto, an Italian physicist, dies. He had the intuition that gravitational wave detectors could be made on Earth, through the use of enormous interferometers using stationary pendulums to minimize the coupling of the mirrors with the ground. Interferometers that search for signals in the 10-100Hz

November 2017

November 2017

in Tags

iPTF14hls, a bizarre supernova (or zombie star), continues to explode multiple times. The first known was in 1954, and several times recently within 11 weeks. A possible explanation (Pulsational Pair-Instability Supernovae), hypothesized by Daniel Kasen, and discovered by Arcavi, Howell, Birnstein, hypothesizes a star of enormous size

26 October 2017

26 October 2017

in Tags

Data from NASA’s Dwarf spacecraft reveals that Ceres (Ceres) probably had, 4 billion years ago, an ocean of liquid water that covered it entirely, now remained in fossil form as solid ice, and with perhaps a layer still liquid below.

2017

2017

in Tags

The two Van Allen probes discover a third Van Allen belt, or a third torus (geometric figure in the shape of a donut) of charged particles around the Earth. But just in the months they’re watching it, a solar flare wipes it out entirely.

19 October 2017

19 October 2017

in Tags

The Pan-Starrs1 telescope in Hawaii discovers an asteroid that comes from outside the solar system. It is the first of its kind. It is first called 1I / 2017U1 and then baptized Oumuamua, a Hawaiian word which means “the messenger who comes from afar and arrives first”. It

October 2017

October 2017

in Tags

Granada, Andalusia, Spain. Jose Ortix and his team discover that Haumea, a Trans-Neptunian Object (TNO) comparable in size to Pluto, but elliptical in shape, does indeed have rings.

October 16, 2017

October 16, 2017

in Tags

The Italian Virgo rises to the fore. For the first time gravitational waves and light emissions from the same event are directly observed, and for the first time this event is the merger of two neutron stars, an event that involves the production of enormous quantities

9 October 2017

9 October 2017

in Tags

Orsay, France. Hideki Tanimura and his team of astrophysicists prove that at least 50% of the missing matter (so-called dark matter) is present in the form of huge filaments of hot gas that connect galaxies.

3 October 2017

3 October 2017

in Tags

Nobel Prize in Physics to Kip Thorne, Rainer Weiss, Barry Barish for the discovery of gravitational waves, to complete the verification of Einstein’s General Relativity.

27 September 2017

27 September 2017

in Tags

The discovery of gravitational waves emitted by a fourth collision of black holes is announced. This time the Virgo observatory in Pisa will also see it. With the triangulation with the two American observers in Louisiana and Washington state, it is also possible to identify the place,

17 August 2017

17 August 2017

in Tags

Ligo in the United States and Virgo in Pisa, Italy, receive and recognize the gravitational wave caused by the collision of two neutron stars. This is the first gravitational wave not due to the merger of two black holes. It is 130MLN light-years away, and immediately after

November 14, 2016

November 14, 2016

in Tags

Supermoon (perigee full moon) detail. The diameter of the full moon is 14% larger than the average, the largest of the 21st century, and the satellite is 30% brighter, thanks to the concomitance of the perigee with the full moon. The next similar event is November 25,

February 6, 2016

February 6, 2016

in Tags

The experimental detection of gravitational waves is confirmed. Confirmed with a confidence level equal to 5.1 sigma, or with the same level of confidence with which the observation of the Higgs boson was confirmed, for example. The rumor of the discovery of gravitational waves had been around

13 September 2015

13 September 2015

in Tags

Sunday. At the Atlas computing center of the Max Planck Institute in Hanover, just before 12. The Italian physicist Marco Drago (young post-doc), responsible for studying some of the incoming data of the two large Ligo antennas in the United States designed to capture gravitational waves,

January 2015

January 2015

in Tags

Comet Lovejoy passage. It is a Kreutz sungrazer (a close to the Sun), and at perihelion it reaches 536Km / s (0.18% the speed of light!) Reaching only 140,000 Km from the surface of the Sun (less than half the distance Earth-Moon!)

23 September 2014

23 September 2014

in Tags

The Kepler satellite terminates Campaign 1 for observing exoplanets (exoplanets) and begins Campaign 2, which extends the mission until 2016. Kepler has so far discovered 997 confirmed planets in more than 400 alien planetary systems, and a further 3216 are not still confirmed (based on

March 17, 2014

March 17, 2014

in Tags

Antarctica. The American BICEP2 experiment seems to experimentally confirm in a single shot both the inflation of the first moments of the Universe after the Big Bang, and the Gravitational Waves of Relativistic origin. The experiment is a collaboration of Harvard – Smithsonian CfA (Center for Astrophysics),

November 28, 2013

November 28, 2013

in Tags

Comet ISON transits perihelion by crossing the solar atmosphere at millions of degrees. The comet’s body reaches thousands of degrees and is subjected to tremendous tidal forces. The comet disintegrates and only a small part survives. Being a parabolic orbit, it is the first time that the comet

June – July 2013

June – July 2013

in Tags

A huge cloud of interstellar gas arrives very close to the supermassive central Black Hole of our galaxy, the Milky Way, known as Sagittarius A (Sgr A), with a good chance that some of it falls directly into singularity. The mass of the central Black Hole

April 18, 2013

April 18, 2013

in Tags

The NASA team of the Kepler satellite announces the discovery of 5 planets around the star Kepler-62. These are not just any planets, like the other hundreds and hundreds already discovered by Kepler (practically different every week – there is also a free App for iPhone

February 15, 2013

February 15, 2013

in Tags

Chelyabinsk, Russia. A meteorite of about 10,000 tons and 15m in diameter whizzes through the atmosphere leaving an intense vapor trail and illuminating everything more than the Sun for a few seconds before disintegrating. It is a racing car that entered the atmosphere at the incredible speed

October 2011

October 2011

in Tags

The Herschel Space Observatory reveals that comet Hartley 2, coming from the Kuiper Belt, is made up largely of water with the same composition (chemical signature) as that of Earth’s oceans. Hartley 2 is the first Kuiper Belt comet to be investigated for its composition. Other comets

February 2, 2011

February 2, 2011

in Tags

NASA’s Kepler satellite identifies the Kepler 11 planetary system with 6 planets orbiting a yellow dwarf, some of which are comparable in size to the Earth. The Kepler satellite continues to perform its job very well by discovering new exo-planets every week, and bringing the total

January 2011

January 2011

in Tags

The extra-solar planet Gj1214b that orbits the red dwarf Gj1214 in Ofiuco, is the first terrestrial planet to have the atmosphere analyzed. The enterprise succeeded at the ESO-VLT (European Southern Observatory Very Large Telescope) at the beginning of 2011. From the transit in front of the