Determine Longitude

Share this & earn $10
ScienceOnline
Published at : 01 Jan 2021
806533 views
13471
396

This video demonstrates how to use observations of the sun combined with local and Greenwich time to determine longitude. An interesting project for anyone interested in navigation and the geometry of our relationship with the sun.
longitudenavigationexplorers

Cyndi Lauper - All Through the Night (from Live...At Last)

Cyndi Lauper - All Through the Night (from Live...At Last)

I Found Among Us SECRETS On AIRSHIP! (Early LOOK!)

I Found Among Us SECRETS On AIRSHIP! (Early LOOK!)

Flirting (1990) - Aren't  you interested in football?

Flirting (1990) - Aren't you interested in football?

Pencilmate's New TOY!!| Animated Cartoons Characters | Animated Short Films | Pencilmation

Pencilmate's New TOY!!| Animated Cartoons Characters | Animated Short Films | Pencilmation

Numbers 1 to 1 Sextillion (A Billion Trillion)

Numbers 1 to 1 Sextillion (A Billion Trillion)

Top 10 performance That made coaches Fall Off chairs in The voice Audition 2018

Top 10 performance That made coaches Fall Off chairs in The voice Audition 2018

30 Years After Chernobyl, Nature Is Thriving | National Geographic

30 Years After Chernobyl, Nature Is Thriving | National Geographic

I Gave 100 Minecraft Players One Stand To Build Their Own Armor

I Gave 100 Minecraft Players One Stand To Build Their Own Armor

What Is the BOD POD Test and Who Would Benefit from One?

What Is the BOD POD Test and Who Would Benefit from One?

10 Ideas for Fresh Content on your Channel

10 Ideas for Fresh Content on your Channel

Augusto Farfus and his wife in a M3 in Nürburgring HD

Augusto Farfus and his wife in a M3 in Nürburgring HD

What To Do If She Loses Interest (3 Signs)

What To Do If She Loses Interest (3 Signs)

Charly Bliss - Capacity [Official Music Video]

Charly Bliss - Capacity [Official Music Video]

Eating At The WORST Reviewed Pizza Restaurant In My City (Los Angeles)

Eating At The WORST Reviewed Pizza Restaurant In My City (Los Angeles)

Tech Tip: SOLIDWORKS 2015 Tutorial - Flattening Surfaces

Tech Tip: SOLIDWORKS 2015 Tutorial - Flattening Surfaces

King Britt - New World In My View

King Britt - New World In My View

STATE OF BEING w/ Reality Transurfing

STATE OF BEING w/ Reality Transurfing

Eight-time World Memory Champion Dominic O'Brien: Learn how to learn

Eight-time World Memory Champion Dominic O'Brien: Learn how to learn

Dr Kelley Varner: I sought for a man! 1998

Dr Kelley Varner: I sought for a man! 1998

Laparoscopic Appendectomy - Immediate Laparoscopy is Ideal for Acute Appendicitis

Laparoscopic Appendectomy - Immediate Laparoscopy is Ideal for Acute Appendicitis

Top 20 Biggest Jumpscares Of 2020

Top 20 Biggest Jumpscares Of 2020

The Most Secure Bunker in Minecraft

The Most Secure Bunker in Minecraft

Why You Shouldn't Hold Your Pee In

Why You Shouldn't Hold Your Pee In

SUPERHERO VS ZOMBIE! | Smart Survival Life Hacks for Girls In The Zombie Apocalypse by T-STUDIO

SUPERHERO VS ZOMBIE! | Smart Survival Life Hacks for Girls In The Zombie Apocalypse by T-STUDIO

Depend [นิสัย] - Chom Chumkasian X Juu Rastafah (Official MV)

Depend [นิสัย] - Chom Chumkasian X Juu Rastafah (Official MV)

"Smartphones are Boring now."

"Smartphones are Boring now."

I Created a Box Within Which I Lived | Male Sexual Abuse

I Created a Box Within Which I Lived | Male Sexual Abuse

Satisfying Mobile Games: Foil Ball Edition!

Satisfying Mobile Games: Foil Ball Edition!

Even More of Trump Being an Awful President | The Russell Howard Channel

Even More of Trump Being an Awful President | The Russell Howard Channel

How to Overcome Laziness and Stop Postponing #UnplugWithSadhguru

How to Overcome Laziness and Stop Postponing #UnplugWithSadhguru

The tik tok is, gorgeous 😍

The tik tok is, gorgeous 😍

Stacey Abrams: 'We were able to eviscerated the exact match system'.

Stacey Abrams: 'We were able to eviscerated the exact match system'.

「Nightcore」→ I Should Have Known

「Nightcore」→ I Should Have Known

Why Google’s union is a big deal

Why Google’s union is a big deal

German battleship Bismarck as seen in 1940, 50 UNSEEN GERMAN PHOTOS&VIDEOS OF WORLD WAR II  PART 26

German battleship Bismarck as seen in 1940, 50 UNSEEN GERMAN PHOTOS&VIDEOS OF WORLD WAR II PART 26

Dead By Daylight - The KILLERS Who Have KILLED The MOST People!

Dead By Daylight - The KILLERS Who Have KILLED The MOST People!

МОМЕНТЫ ШРАУДА ПОСЛЕ КОТОРЫХ ЕГО СЧИТАЛИ ЧИТЕРОМ! PUBG SHROUD

МОМЕНТЫ ШРАУДА ПОСЛЕ КОТОРЫХ ЕГО СЧИТАЛИ ЧИТЕРОМ! PUBG SHROUD

Whatever The Situation: Challenge Accepted!

Whatever The Situation: Challenge Accepted!

SNOWMAN (lyrics) SIA

SNOWMAN (lyrics) SIA

Sister in Law Tried To Hijack My Son's Birthday For Her Gender Reveal Party

Sister in Law Tried To Hijack My Son's Birthday For Her Gender Reveal Party

Latest Punjabi Song  Kaka All Songs | Kaka New Punjabi Song 2020 | Keh Len de | Desi Mashup Songs

Latest Punjabi Song Kaka All Songs | Kaka New Punjabi Song 2020 | Keh Len de | Desi Mashup Songs

An Easy Options Strategy That Can Double Investment Income

An Easy Options Strategy That Can Double Investment Income

Mike Perry ft. The Vamps & Sabrina Carpenter - Hands (Lyrics)

Mike Perry ft. The Vamps & Sabrina Carpenter - Hands (Lyrics)

Ektor - Status (OFFICIAL VIDEO) prod. Special Beatz

Ektor - Status (OFFICIAL VIDEO) prod. Special Beatz

Why should we hire you? - Common Job Interview Question and Answer

Why should we hire you? - Common Job Interview Question and Answer

2020 Mercedes AMG A45 S 4Matic+ 421HP POV Test Drive by AutoTopNL

2020 Mercedes AMG A45 S 4Matic+ 421HP POV Test Drive by AutoTopNL

Rare Triplets Born With Same Genetic Condition Undergo Successful Skull Surgery

Rare Triplets Born With Same Genetic Condition Undergo Successful Skull Surgery

Tinchy Stryder Ft. Taio Cruz - Take Me Back ( + Lyrics )

Tinchy Stryder Ft. Taio Cruz - Take Me Back ( + Lyrics )

Crash Anyone's iPhone With This Text

Crash Anyone's iPhone With This Text