Doodle Science - June 2019

Circulated to schools, organisations and individuals - covering primary science and related bits and bobs.

orbea variagata
Orbea variegata, it looks like a cactus most of the time but when it flowers that looks like a rotten starfish and smells that way too. From South Africa this lovely little succulent grows well. A nice example of adaptation to it's habitat and to pollination by flies

Great Dates in Sci and Tech for June

1st 1846 Le Verrier predicts the existence and location of Neptune from looking a irregularities of the orbit of Uranus.
3rd 1769 On Tahiti James Cook observes the transit of Venus. This was one of the "Big Science " events of its time and was able to provide information that allowed the calculation of the size of the solar system.
5th 1683 The First university museum opens as the Ashmolean opens its doors.
15th 763 BC Solar eclipse in Mesopotamia is recorded and provides and anchor for chronology and calendars
18th 1858 Darwin gets a letter from Wallace detailing natural selection, he finally gets on with publishing "On the Origin of Species"
21st This year. Mid summer solstice, the longest day and shortest night in the northern hemisphere.
23rd 2006 A tortoise possibly collected by Darwin dies. Harriet was about 175 years old.
26th 1948 Shockley filed the patent for the transistor, almost all electronics we use today dates back to this.
30th 1905 Einstein published the first work on Special Relativity.

Things in the sky this month.

June 3 - New Moon.
June 10 - Jupiter at Opposition. The giant planet will be at its closest approach to Earth and its face will be fully illuminated by the Sun.
June 17 - Full Moon.
June 21 - June Solstice.
June 23 - Mercury at Greatest Eastern Elongation. Western sky just after sunset.

Interesting links

Interactive plants of South Africa
Nice Robots
Science of Cooking, The Exploratorium
Observing the sky with out a telescope

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