The new black holes make space-time vibrate, on the front of Ciel & espace n ° 583

Contents of Sky & Space 583 – June-July 2022

File: The new black holes

They vibrate space-time

Since 2015, the detection of gravitational waves has given us access to a totally invisible and hitherto inaccessible universe. A population of black holes with unimaginable characteristics has emerged. And it shuffles the cards for the stars’ evolution.

Report: A rocket powered by moon fever

In March, the new giant American rocket left its assembly building to pay its first visit to the launch pad. A long-awaited presentation before its scheduled launch in June to take the Artemis 1 mission to the Moon.

Ocean on Mars: The debate is relaunched!

Fifty years after the first images from the Mariner 9 probe, which suggested the previous presence of an ocean north of Mars, it reappears. But is the new evidence reliable? Experts are lost in guesswork.

Test: Celestron RASA 8 telescope: everything for photography

Celestron has recently offered a range of telescopes that focus exclusively on imaging. These instruments offer the highest photographic speed on the market. We tested the 8 ”(203 mm) version on the optical bench and in the field.

And also :

  • Fun ideas: Create your kitchen garden thanks to asteroids
  • Discovery: The strange rings of the star V Hydrae
  • Study: After the ISS, the era of private space stations?
  • Portfolio: Judy Schmidt chisels Hubble’s hidden treasures
  • History: Guillaume Le Gentil’s accident
  • First contact: The Lagoon Nebula M8
  • Observation: Triptych of light on the Moon
  • To the Citizen Stars: Grab the light that haunts the gravitational waves
  • You have the floor: Askar FRA 500 bezel

Available at our online store and at newsagents (where can you find us?)

At the speed of light – Sky and space no. 583 pp. 14-15

Mysterious radio impulses

A team of researchers discovered an unknown radio impulse emitting every 18 minutes at a distance of 4,000 light-years. The signal was intercepted 71 times in 2018, and several leads could explain this strange phenomenon.

Chandrayaan 2 spies Apollo

The Indian Chandrayaan 2 probe depicted the sites of Apollo 11 and 12. The unique quality of the images makes it possible to admire certain details, such as life support systems and devices for the two missions.

The asteroid that shook the Earth

The impact of Vredefort in South Africa marked the Earth significantly. So much so that geologists discovered that the collision affected the geology of the earth and caused powerful earthquakes for millions of years.

Black hole or stars?

Astronomers thought they had discovered a black hole. They are actually two stars orbiting each other. The most massive vampires his spouse, literally sucks its atmosphere, causing a violent phenomenon that splits the cosmos.

Harmony, exoplanet hunter

In Grenoble, engineers are building the Harmony instrument, which is designed to equip the Very Large Telescope to track exoplanets. Jean-Luc Dauvergne met with the IPAG teams to learn more about this advanced instrument.

Euclid on Ariane 6

The Euclid spacecraft, scheduled to leave in 2023 on a Soyuz rocket, will finally take off thanks to an Ariane 6 rocket. The decision follows a wave of cancellations of launches with Soyuz, from OneWeb to ExoMars, following the start of the war in Ukraine.

Dark night over Ukraine

A picture taken from space shows Ukraine at night. Where war is ravaging the country, artificial light has gone out, throwing cities and roads into total darkness.

A crucial European module for Artemis

The European Space Agency supplies the service modules for the US Artemis lunar missions. It is a focal point where Philippe Berthe, responsible for the coordination of the module, describes all the functionalities.

First image of JWST

JWST spent several weeks adjusting its mirrors before producing a sharp image of a star in the infrared spectrum. We observe a star with a strong brightness on a background of stars and galaxies.

Exomars suspended

First postponed due to the war in Ukraine (February 28), Europe’s mission to Mars was finally suspended. ESA is looking for a different launch vehicle than the originally planned Russian Proton. There are several options and will be explored for a launch between 2026 and 2029.

Who is Dmitri Rogozin?

The director general of the space agency Roscosmos has faced many controversies in recent weeks. Dmitri Rogozin distinguished himself by multiplying violent and threatening remarks on Twitter and attacking different personalities directly.

Return “home”

After a year on the ISS, American Mark Vande Hei returned to Earth aboard a Soyuz capsule. Accompanied by two Russian cosmonauts, he landed in Kazakhstan, despite the freezing of relations between Russia and the United States.

The oldest star

The oldest star in the universe has been observed and imaged using the Hubble Space Telescope and a gravitational lens. Fifty times more massive than the Sun, it is 12.9 billion years old, born only 900 million years after the big bang.

A planet shaped like a star

AB Aurigae b, a gaseous exoplanet orbiting a star more than 500 light-years away, would have been formed thanks to the gravitational collapse of the protoplanetary disk, like a star.

Moon dust at a gold price

At auction, some moon dust particles collected by Neil Armstrong were acquired for $ 500,000. An incredible story that will have brought in millions of dollars to a woman: Nancy Carlson.

Charlie Duke talks about Apollo 16

For the 50th anniversary of the Apollo 16 lunar mission, Sky & Space has announced the exclusive conference given in November 2021 by Charlie Duke, astronaut who participated in this exploration. A first hand account!

A clash for two sides

A monumental stroke of the sky may be the reason for the noticeable difference between the Moon’s two hemispheres. This is the dissertation defended by a planetary scientist from Brown University in the United States.

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