Nereideさんのイラストまとめ

The vortex at Saturn's north pole from #Cassini.

Spectacular close up of the central part of the hexagonal cloud system that surrounds the north pole of #Saturn.

Original image #data dated on or about 30 December 2013.

➡️https://t.co/8xafLkkt59

#Space
#spacehour
#Science

1/3
1946: Solar energetic particles detected at #Earth

Scott Forbush, a physicist at the Carnegie Institution in Washington, D.C., is monitoring the rate of incoming energetic particles when he detects a spike not long after a solar flare occurs on the #Sun.

#Space
#SpaceHour

I wish to celebrate #WorldTeachersDay by sharing some works from my pupils.

As a teacher, my primary goal is the full #formation of individual pupils' #personality, while respecting their personal, social, cultural and professional identities.

#scritturebrevi
#VentagliDiParole

2/
#Newton claimed that #light is composed of colored particles, which combine, appearing white.

He introduced the term color #spectrum and, although the spectrum appears continuous with no distinct boundaries between colors, he subdivided it into 7 colors.

#physics
#History

1/
A local 2D cross-section of the real 6D manifold, known in #stringtheory as the Calabi-Yau quintic manifold.

In algebraic geom., a Calabi–Yau manifold is a particular type of manifold which has properties yielding applications in theoretical #physics.

Img: Wiki

#iteachmath

These wonderful imgs come from #ESO Cosmic Gems programme.

They are:
part of #RosetteNebula
#PrawnNebula
#Gum26
#Abell24

"When you are tired of the daily baseness, look at the sky: you will find symbols of Purity, Bliss,True Intelligence, Infinite Love"
- A.R.

#scritturebrevi

"Love is like the wild rose-briar,
Friendship like the holly-tree—
The holly is dark when the rose-briar blooms
But which will bloom most constantly?"
- Excerpted from "Love and friendship", Emily Brontë

(The sketch is mine. Tap on, please!)

#scritturebrevi
#VentagliDiParole

The featured #aurora was imaged, in late July 2016, over Thingvallavatn Lake in #Iceland, a lake that partly fills a fault that divides #Earth's large Eurasian and North American #tectonicplates.

More➡️https://t.co/EKNnJ3Izke

(Tap on the image)

#naturalphenomena
#Space

Stereographic projection of circles by @shonk.

Consider the 8 vertices of the #cube as points on the unit #sphere, then make (spherical) #circles, centered on those points with radii chosen so that the circles are just tangent.

More➡️https://t.co/NjifiSyj0Y

#iteachmath
#MTBoS

#5June is #WorldEnvironmentDay

A few years ago, a student of mine gifted me this drawing, saying:

<<Earth is a dot in the Universe, but is the only home we have. Therefore, we human beings should love and preserve "HER" as the most precious asset!>>.

#scritturebrevi
#WED2020