ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

(240517) -- BUCHAREST, May 17, 2024 (Xinhua) -- People look at a robot during an Astrofest event marking the International Astronomy Day in Bucharest, Romania, on May 17, 2024. (Photo by Cristian Cristel/Xinhua)

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

(240517) -- BUCHAREST, May 17, 2024 (Xinhua) -- A child experiences a flight simulator during an Astrofest event marking the International Astronomy Day in Bucharest, Romania, on May 17, 2024. (Photo by Cristian Cristel/Xinhua)

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

(240517) -- BUCHAREST, May 17, 2024 (Xinhua) -- A woman uses the solar system to decorate her hair during an Astrofest event marking the International Astronomy Day in Bucharest, Romania, on May 17, 2024. (Photo by Cristian Cristel/Xinhua)

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

(240517) -- BUCHAREST, May 17, 2024 (Xinhua) -- A person shows the effect of carbonic ice vapors during an Astrofest event marking the International Astronomy Day in Bucharest, Romania, on May 17, 2024. (Photo by Cristian Cristel/Xinhua)

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

(240517) -- BUCHAREST, May 17, 2024 (Xinhua) -- Children look at constellations during an Astrofest event marking the International Astronomy Day in Bucharest, Romania, on May 17, 2024. (Photo by Cristian Cristel/Xinhua)

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

(240517) -- BUCHAREST, May 17, 2024 (Xinhua) -- A boy looks through a telescope during an Astrofest event marking the International Astronomy Day in Bucharest, Romania, on May 17, 2024. (Photo by Cristian Cristel/Xinhua)

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

ROMANIA-BUCHAREST-INTERNATIONAL ASTRONOMY DAY-ASTROFEST

(240517) -- BUCHAREST, May 17, 2024 (Xinhua) -- A woman interacts with a man dressed as an astronaut during an Astrofest event marking the International Astronomy Day in Bucharest, Romania, on May 17, 2024. (Photo by Cristian Cristel/Xinhua)