Create
0
Log in
Subjects
>
Science
>
Astronomy
What is a heliogragh?
Anonymous
∙
13y ago
Updated: 7/2/2024
A device for transmitting messages by reflecting sunlight.
A device for photographing the sun.
Wiki User
∙
13y ago
Copy
Show More Answers (1)
Add Your Answer
What else can I help you with?
Search
Continue Learning about Astronomy
Related Questions
Trending Questions
Did the Chinese develop a way to move the sails of ships that allowed ships to sail into wind for the first time?
What constellation is represented as a chained maiden?
What is the height of a cumulus cloud?
What would you see if you visited the sun?
Will the Rani or the Master return to Doctor Who?
How does the inertia hold the planets together?
What is statocentrism?
What year the big dipper discovered?
What is the gravitational force between Uranus and the sun?
Why does an astronaut weigh less on the moon that on earth?
Why did Galileo perform experiments to see if all objects fall with the same acceleration?
Which was the first spaceship to hit the moon?
Which best explains why a hot air balloon rises into the air?
What is the Andromeda galaxy made of?
Are main sequence stars older than red giants?
What does a blood moon nean in the bivle?
Which month is easy to see the big dipper?
How does the sun affect the atmosphere?
What did daedalus invent to help him and icarus escape from the laybirth?
What was the name of the lunar module that landed on the Moon on July 20 1969?