Happy Science officail site
- Happy Science : Special Feature “Introduction of Laws of Universe” (in Japanese)
https://happy-science.jp/feature/universe/ - HS Press: Readings of UFO and Space People (in Japanese)
https://www.irhpress.co.jp/products/list.php?category_id=59
Star chart
A star chart accessible via a web browser (to prevent any misidentification of stars and planets such as Mars as UFOs).
- Stellarium-web; https://stellarium-web.org/
Aircraft Information
A website that displays the location of aircraft in flight in real time. (To avoid mistaking an aircraft for a UFO. Aircrafts have aviation lights that blink at regular intervals.)
- Flightradar24; https://www.flightradar24.com/
Additionally, one should exercise caution, as other objects like meteors, artificial satellites such as the International Space Station (ISS), and illuminated drones can also be mistaken for UFOs.