Star diagonals: what they are and how to use them - BBC Sky at Night Magazine
What is a star diagonal used for in astronomy, and which are the best models? Find out in our beginners' guide to telescope diagonals.
Stay updated with breaking news from Explore Scientific. Get real-time updates on events, politics, business, and more. Visit us for reliable news and exclusive interviews.
What is a star diagonal used for in astronomy, and which are the best models? Find out in our beginners' guide to telescope diagonals.
Whether using a telescope or binoculars, solar filters can help you view the Sun in its best possible light.
Whether using a telescope or binoculars, solar filters can help you view the Sun in its best possible light.
You're looking at a 300-megapixel photo of our Sun. Astrophotographer Andrew McCarthy used a specially modified telescope, taking over 150,000 individual photos and combining them into this magnificent image (see below).
The planet Venus is the 3rd brightest object in the sky, after the sun and moon. But why is Venus so bright?