Dr. Manuela Rossol 👩‍🔬🔬🔭さんのイラストまとめ

#OTD in 1983, Pioneer 10 crossed the orbit of Neptune. It was the first human-made object to travel this far.

#OTD in 1858, Italian astronomer Giovanni Battista Donati discovered comet C/1858 L1 (Comet Donati).

Some of plant specimens collected by Ynes Mexia can be found digitized at the NYBG Steere Herbarium. https://t.co/KVviIXSnnG

#OTD in 1940, British entomologist and illustrator Margaret Fountaine died, with a butterfly net in her hands, from a heart attack in Trinidad. #WomenInSTEM

Check out what the @NASAHubble Space Telescope looked at on my birthday: Spiral galaxy NGC 3982! #Hubble30

Check your birthday: https://t.co/ZENkHMxaNh

#OTD in 1935, German mathematician Emmy Noether died. She made many important contributions to abstract algebra & theoretical physics, most importantly Noether's theorem on the connection of symmetry in nature and laws of conservation.

#OTD in 1961, Soviet cosmonaut Yuri Gagarin became the first human in space & to orbit the Earth. The historic flight with Vostok 1 took 108 minutes from launch to landing.📷 Soviet Space Program

The Moon last night (91.9 % illuminated). 05.04.2020. Canon 7D 200mm zoom, cropped. #StormHour #ThePhotoHour

#OTD in 1968, Apollo 6 was launched. It was an uncrewed test of the Saturn V launch vehicle and the final uncrewed Apollo test mission. 📷 NASA

#OTD in 1647, Maria Sibylla Merian was born in Frankfurt. She was one of the first naturalists to observe the life cycle of insects. Merian is also known for her beautiful scientific illustrations.