Spring 2020

"Zvaigžņotā Debess" The Starry Sky Spring 2020 (247) CONTENTS

ACTUALITIES

The news briefly. Ilgonis Vilks. Page 2.

EXPLORING THE UNIVERSE

The Top 5 events of the last decade. Raitis Misa. Page 6.

Warp factor. Vivek Venkatraman Krishnan, Matthew Bailes. Translated by Ilgonis Vilks. Page 12.

SOLAR SYSTEM

Astronomy Celebration AstroFest 2020. Anna Gintere. Page 15.

EXOPLANET FOR LATVIA

The names “Liesma” and “Staburags” are approved. Mārtiņš Gills. Page 20.

SPACEFLIGHT

Astronauts will take their seats soon. Raitis Misa. Page 22.

OLYMPIC CHALLENGE

Equations in whole numbers – contradiction module. Prepared by Maruta Avotiņa. Page 27.

PHOTO STORY

Hunter and its reflection. Vitālijs Kopa. Page 28.

AMATEUR ASTRONOMY

Photographing the sky for ten years. Anna Gintere. Page 30.

SCIENTIFIC ACHIEVEMENTS

The success of the Zooniverse project. Mārtiņš Gills. Page 34.

AGAINST SUPERSTITION

The phenomenon of the flat Earth. Ilgonis Vilks. Page 38.

ASTROSITE

Ethnocosmology Museum in Moletai. Mārtiņš Gills. Page 45.

LOOK BACK

The old sundial in Cēsis has been restored. Mārtiņš Gills. Page 46.

Fraunhofer's Hut. Roberts Purvinskis. Page 48.

Criminal drama at the Egyptian court. Vents Zvaigzne. Page 51.

MOBILE APP

We're looking for sundials! Mārtiņš Gills. Page 54.

LATVIAN SCIENTISTS

Remebering Natālija Cimahoviča. Ivars Šmelds. Page 56.

OVERVIEW OF THE SKY

Celestial bodies in the spring of 2020. Juris Kauliņš. Page 60.