That is how spectacular the astronomical year 2020 was

0
3


Rare spectacle – Jupiter and Saturn meet

A real spectacle could be marveled at in December: At the astronomical start of winter, on December 21, 2020, Jupiter and Saturn “kissed” in the sky. The two planets came closer than they had been since the Middle Ages. When this great conjunction was last seen – March 4, 1226 – Galileo Galilei was still alive. The next similarly close major conjunction will not be seen again until March 15, 2080.

Jupiter and Saturn came so close that with the naked eye it looked as if they were merging into a single star, the “Christmas star”. The two planets were then only six minutes of arc apart – which corresponds to a fifth of the full moon diameter

Here you can read more about it.

At the astronomical start of winter, Jupiter and Saturn kissed in the sky on December 21, 2020. (Image: Keystone)

Comet Neowise shone so beautifully

Comet C / 2020 F3 – better known as Neowise – has been visible to the naked eye in Central Europe since the beginning of July. First in the morning sky in the northeast and from July 10th also in the evening sky in the northwest. The comet was discovered on March 27, 2020 as part of the Neowise project by the WISE space telescope.

The next time Neowise will not be visible again for about 5000 years. The comet was admired and photographed all over the world.

The Telebasel News article from July 22, 2020 about Comet Neowise:

Here you can read more about it.

Researchers are creating the largest 3D map of the universe to date

A consortium of researchers analyzed several million galaxies and quasars with the help of a telescope. The result: the largest 3D map in the universe. The completed map shows filaments of matter and cavities that more precisely define the structure of the universe from its beginnings, i.e. at the age of only 380,000 years.

From this point, the researchers measured the recurring patterns in the distribution of galaxies and identified several key cosmological parameters, including the density of dark matter and the energy in the universe. To do this, the teams involved examined the distribution of mass in the universe using various tracers. In the project, the team researched up to eleven billion years back in time.

Here you can read more about it.

In the project, the team researched up to eleven billion years back in time. (Symbolic picture: Keystone)

Nobody has seen the Milky Way in such detail before

Astronomers all over the world are getting a new, detailed star map for the Milky Way. For this purpose, up to 850 million objects are observed every day. The so-called star catalog contains, among other things, information about weaker stars in the vicinity of the sun and areas in the outer areas of our galaxy, as the German Aerospace Center (DLR) announced.

According to the information, the big plus is the new quality of the data compared to previous publications. So far, 1.8 billion celestial bodies are listed in the entire star catalog.

Here you can read more about it.

So far, 1.8 billion celestial bodies are listed in the entire catalog. (Symbolic picture: Keystone)

Perseids sparkle in the sky

The Perseids meteor shower fascinates astronomy fans from young to old every year. The peak of the meteor storm was expected on the night of August 12th to 13th, 2020. The Perseids bring up to 100 shooting stars per hour. The spectacle could also be seen in the Basel region.

The Perseids can be seen from mid-June to mid-August each year. During this time, the earth crosses the dust trail left by Comet 109P / Swift-Tuttle.

Here you can read more about it.

The Perseids can be seen from mid-June to mid-August each year. (Image: Keystone)

Leonids shine in the night sky

One of the most beautiful meteor streams of the year was active in November – the Leonids. The shooting star highlight could be admired in the night sky from November 6th to 30th. The Leonids have their origin in comet 55P / Temple-Tuttle, which orbits the sun every 33 years and leaves countless fragments, so-called “meteorids”.

The Leonids are particularly fast. They can reach speeds of up to 70 kilometers per second – which corresponds to 252,000 kilometers per hour.

Here you can read more about it.

The Leonids are particularly fast: They can reach speeds of up to 70 kilometers per second. (Image: Keystone)

Mars: As close as seldom

Mars was particularly close to Earth in October. On October 14, 2020, the earth was exactly between the sun and the red planet. As a result, Mars rises when the sun sets and sets when the sun rises. In this constellation, the planet appears much brighter and larger than usual.

Because of the not entirely circular orbits, Earth and Mars were actually closest to each other on October 6, at “only” 62 million kilometers. This is still more than 160 times the distance from the earth to the moon. Mars will not be closer to Earth again until 2035.

Here you can read more about it.

Mars was particularly close to Earth in October. (Image: Keystone))

Nasa rover Perseverance on the way to Mars

Perseverance (“staying power”) started on July 30, 2020 on its journey to the Red Planet. The more than a tonne unmanned robot the size of a small car is due to land on February 18, 2021 in a dry lake, the Jezero Crater, on Mars. The roughly 2.5 billion dollar rover is supposed to search for traces of past microbial life, as well as to research the climate and geology of the planet and take samples of stones and dust.

Here you can read more about it.

Perseverance started its journey to the Red Planet on July 30, 2020. (Image: Keystone / EPA / JOEL KOWSKY / NASA)

China celebrates the return of Chang’e 5

On December 17th, China celebrated the return of its Chang’e 5 probe with rock samples from the moon as a historic success for its space program. The space capsule that landed in Inner Mongolia is to be opened in Beijing. Then scientists begin to study the collected lunar rocks.

Here you can read more about it.

The capsule landed in Mongolia on December 17th. (Image: Keystone / EPA / REN JUNCHUAN / XINHUA)

Four astronauts arrived at the ISS

After more than 27 hours: Four astronauts arrived at the space station ISS in the space transporter Crew Dragon from the private company SpaceX in November 2020. Half a year after its historic maiden flight, the spacecraft was launched from the Cape Canaveral spaceport in the US state of Florida for the first time for a regular mission into space.

Here you can read more about it.

Four astronauts arrived at the ISS space station on the Crew Dragon space transporter in November 2020. (Image: Keystone)

Multi-family house in the approach

The asteroid 2011 ES4 the size of an apartment building sped past the earth on September 1, 2020. “It is expected to fly past the earth around 120,000 kilometers away,” said Manfred Gaida from the German Aerospace Center (DLR) to the German Press Agency. “What is certain is that he will come close to us,” said the expert. “But not dangerously close.”

Here you can read more about it.



Source link
https://telebasel.ch/2020/12/28/so-spektakulaer-war-das-astronomische-jahr-2020/?channel=105100

LEAVE A REPLY

Please enter your comment!
Please enter your name here