Autumn 2019

„Zvaigžņotā Debess” The Starry Sky Autumn 2019 (245) CONTENTS

ACTUALITIES

The news briefly. Ilgonis Vilks. Page 2.

Astronomy news in Latvia. Ilgonis Vilks. Page 4.

EXPLORING THE UNIVERSE

Gaia – a master of precision navigation. Anna Gintere. Page 6.

EXOPLANET FOR LATVIA

Latvia gives the name to the star and the exoplanet. Mārtiņš Gills. Page 12.

OLYMPIC CHALLENGE

Space missions. Prepared by Māris Krastiņš. Page 13.

EXOPLANET FOR LATVIA

How the Latvian exoplanet was discovered. Interview by Mārtiņš Gills. Page 14.

Let's get acquainted - hot jupiter! Interview by Mārtiņš Gills. Page 18.

The hard way to discover the Second Earth. Interview by Mārtiņš Gills. Page 20.

SPACEFLIGHT

Probe Hayabusa2 shoots to the asteroid. Raitis Misa. Page 24.

TELESCOPES

We'll measure the solar wind in Irbene. Artūrs Vrubļevskis, Boriss Rjabovs, Dmitrijs Bezrukovs. Page 26.

ASTROSITE

The old Tartu Observatory. Mārtiņš Gills. Page 29.

SCIENTIFIC ACHIEVEMENTS

Falsifiability and physics. Matthew R. Francis. Translated by Ilgonis Vilks. Page 30.

PHOTO STORY

Hercules star cluster M13. Sergejs Klimanskis. Page 36.

LATVIAN SCIENTISTS

Jānis Klētnieks – 90! Interview by Raitis Misa. Page 38.

SCHOOL ASTRONOMY

Latvia's 47th open school astronomy Olympiad. Māris Krastiņs. Page 44.

AMATEUR ASTRONOMY

Latvian astrophotographer’s dream – Namibia? Kristaps Kemlers. Page 46.

Autumn – Aurora borealis time. Ilgonis Vilks. Page 52.

Mercury on the disk of the Sun! Ilgonis Vilks. Page 57.

OVERVIEW OF THE SKY

Celestial bodies in the autumn of 2019. Juris Kauliņš. Page 58.

MOBILE APP

Not to miss an astronomical event. Mārtiņš Gills. Page 64.