Astronomy_intro

Astronomy intro

"We are all the sturdust" Carl Sagan

Content

1 · Astronomy vs Astrology

8 · Angular size

2 · Constellations

9 · TBA

3 · Seasons

10 · TBA

4 · Equinoxes & solstices

11 · TBA

5 · Eclipses and transits

12 · TBA

6 · Solar System - to scale

13 · TBA

7 · Space Exploration

14 · TBA

Astronomy vs astrology

What sign are you?:p

Alchemy vs chemistry?

Alchemy vs chemistry?

https://pl.wikipedia.org/wiki/Alchemia#/media/Plik:Tabula_Smaragdina.GIF

https://www.nationalgeographic.com/science/article/milky-way-galaxy-facts-black-hole-stars-space-science

What's the reason for stargazing?

Waste of time?:(

https://en.wikipedia.org/wiki/Lunar_distance_%28navigation%29

Constellations

How to find something up there?

https://stellarium-web.org/

https://stellarium.org/

• Constellation
• Magnitudo
• Phase
• Distance
• Diameter (angular size)

https://stellarium-labs.com/blog/gridsandlines/

https://stellarium-labs.com/blog/gridsandlines/

https://en.wikipedia.org/wiki/Ecliptic_coordinate_system

Azimuthal grid

Equatorial grid

https://www.istockphoto.com/pl/wektor/mapa-nieba-gm472835300-64020557

2'

Light pollution

Not always that easy to observe...

https://skyglowproject.com/#light-pollution

www.lightpollutionmap.info

https://lovethenightsky.com/bortle-scale/

https://en.wikipedia.org/wiki/Milky_Way#/media/File:ESO-VLT-Laser-phot-33a-07.jpg

https://www.flickr.com/photos/dianasch/52198998081

https://sci.esa.int/web/gaia/-/58206-anatomy-of-the-milky-way

https://physicsworld.com/a/daytime-polarization-patterns-point-the-way-to-true-north/

Seasons

...down under...

https://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-orbit-58.html

https://en.wikipedia.org/wiki/Earth%27s_orbit#/media/File:Seasons1.svg

https://www.universetoday.com/47176/earths-axis/

Axial tilt

https://upload.wikimedia.org/wikipedia/commons/a/a2/Solar_system_bodies_rotation_animation.svg

https://www.youtube.com/watch?v=t313pgLOQ4Y

https://www.britannica.com/place/Mars-planet/Basic-astronomical-data

Phases of the Moon

Equinoxes & solstices

Kupała's night?;)

https://en.wikipedia.org/wiki/Earth%27s_orbit#/media/File:Seasons1.svg

https://www.weather.gov/cle/Seasons

https://www.britannica.com/biography/Eratosthenes

https://en.wikipedia.org/wiki/Eratosthenes#/media/File:Eratosthenes_measure_of_Earth_circumference.svg

https://eratosthenes.ea.gr/

Eclipses and transits

You can write a subtitle here

Transit of Mercury

https://en.wikipedia.org/wiki/Transit_of_Mercury#/media/File:Transit_Of_Mercury,_May_9th,_2016.png

Transit of Venus

https://solarsystem.nasa.gov/resources/389/venus-transit-across-the-sun-2014/

Transit of ISS

https://astronomynow.com/wp-content/uploads/2016/06/Sun_Mercury_ISS_Thierry_Legault_2000x2000.jpg

Solar Eclipse

https://scijinks.gov/solar-eclipse/

Angular size

Lunar Eclipse

https://moon.nasa.gov/resources/487/total-lunar-eclipse-may-2022/

https://www.reddit.com/r/space/comments/no4u6t/my_composite_image_of_the_recent_lunar_eclipse/?rdt=33165

https://pbs.twimg.com/media/Dp0VTx6XgAE6abZ.jpg

https://www.timeanddate.com/eclipse/map/

5'

Speaking of satelites...

Around Earth...

Solar System

To scale!

PROPOTIONS

A C B D

real size of Earth size of Earth's model real size of Moon size of Moon's model

Our Globe = 42 cm (diameter)

Moon model = ... cm ???

Our Globe = 42 cm (diameter)

12 742 km / 3 474.8 km = 2.73 42 cm / 2.73 = 15.38 cm

Moon model = 15.4 cm

Our Globe = 42 cm (diameter)

DISTANCE Earth-Moon around 385 000 km

DISTANCE Earth-Moon in our model: ... ???

12 742 / 3 474.8 = 2.73 42 cm / 2.73 = 15.38 cm

Moon model = 15.4 cm

Our Globe = 42 cm (diameter)

SCALING FACTOR: 12 742 000 m / 0.42 m = 30 338 095 385 000 000 m / 30 338 095 = 12.7 m

DISTANCE Earth-Moon around 385 000 km

DISTANCE Earth-Moon in our model: 12.7 m

12 742 / 3 474.8 = 2.73 42 cm / 2.73 = 15.38 cm

Moon model = 15.4 cm

https://www.youtube.com/watch?v=zR3Igc3Rhfg

https://commons.wikimedia.org/wiki/File:Solar_system_distances.JPG

https://astroedu.iau.org/en/activities/solar-system-model-on-a-city-map/

Space Exploration

Introduction to very basics

There is separate presentation dedicated to this topic:)