Star
The second-brightest star of the Southern Cross, a young blue giant that pulsates every few hours and appears on four national flags.
| Type | Star |
|---|---|
| Distance from Earth | 280 ly |
| Diameter | 11,270,000 km |
| Mass | 2.88 × 10^31 kg |
| Temperature | 28,567°C |
| Apparent magnitude | 1.25 |
| Redshift | 0 |
| Discovered | 150 |
At 11,270,000 km across, Mimosa is 8.1 times the diameter of the Sun.
Its mass is 14 times the mass of the Sun.
The light reaching us from Mimosa tonight left it around 280 years ago.
Its surface sits at 28,840 K, hotter than the Sun at 5,772 K, which is what sets its colour.
It has been on record since the year 150.
Play today's Cosmodle