More from BBC Sky at Night

BBC Sky at Night5 min read
Surfing Spacetime With LISA
In September 2015, some of the most sensitive instruments ever built made a remarkable discovery: the first-ever detection of tiny ripples in space and time, known as gravitational waves. Created by a pair of black holes spiralling towards each other
BBC Sky at Night5 min read
Sky-Watcher EQ-AL55i Pro Wi-Fi mount
∙ Price £779 ∙ Mount type Equatorial with Go-To ∙ Load capacity 10kg ∙ Slew speed Up to 4° per second ∙ Power input 12V DC ∙ Autoguider port ST4 ∙ Protocols SynScan, ASCOM via Wi-Fi or USB ∙ Weight 14.8kg ∙ Supplier Optical Vision Ltd ∙ Email info@op
BBC Sky at Night1 min read
Dark Stars Could Leave Scars Across The Cosmos
The scars left behind by exploding ‘dark stars’ could allow astronomers to examine the invisible Universe, a new study has found. Dark matter is the invisible substance believed to suffuse the entire Universe – though as we can only detect it through

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