Analyse @NASAHubble's tweets
This newly released Hubble image shows M55 – a loosely concentrated globular star cluster about 20,000 light-years away.
Only a portion of M55 is seen here, but the whole cluster stretches about 100 light-years in diameter! Read more: https://t.co/Pl9JmN0F16 https://t.co/wAqZS6dZQc
Only a portion of M55 is seen here, but the whole cluster stretches about 100 light-years in diameter! Read more: https://t.co/Pl9JmN0F16 https://t.co/wAqZS6dZQc