A telescope is a tool that astronomers use to see objects from afar. Most telescopes use curved mirrors to focus light from the night sky.
The first telescopes focused light by using pieces of curved, clear glass called lenses. Today we use mirrors as they as lighter and easier to make perfectly smooth.
8
108 reads
The idea is part of this collection:
Learn more about scienceandnature with this collection
How to make sustainable choices in everyday life
Identifying ways to reduce waste and conserve resources
Understanding the impact of human actions on the environment
Related collections
Read & Learn
20x Faster
without
deepstash
with
deepstash
with
deepstash
Personalized microlearning
—
100+ Learning Journeys
—
Access to 200,000+ ideas
—
Access to the mobile app
—
Unlimited idea saving
—
—
Unlimited history
—
—
Unlimited listening to ideas
—
—
Downloading & offline access
—
—
Supercharge your mind with one idea per day
Enter your email and spend 1 minute every day to learn something new.
I agree to receive email updates