Example sentences of "as luminous as [art] [noun sg] " in BNC.
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| 1 | These are colossal outbursts : at its peak a supernova may become at least fifteen million times as luminous as the Sun . |
| 2 | Both Alpha and Beta are very distant , and are well over 5000 times as luminous as the Sun . |
| 3 | It is 42 light-years away , and over 150 times as luminous as the Sun . |
| 4 | Eta is a normal white B-type star , about 400 times as luminous as the Sun and 200 light-years away . |
| 5 | The companion is a B-type star , 400 times as luminous as the Sun . |
| 6 | It is one of the closer stars , at a distance of only 36 light-years , and is 115 times as luminous as the Sun . |
| 7 | It is ‘ only ’ 26 times as luminous as the Sun , and owes its pre-eminence to the fact that it is a mere 8½ light-years away from us . |
| 8 | At its peak it was perhaps 6000000 times as luminous as the Sun , and this is still true today , though its light is dimmed by intervening nebulosity ; in infra-red it is one of the strongest sources in the sky . |
| 9 | If it is , then it must be well over 200000 times as luminous as the Sun , much more powerful than Rigel or Deneb . |
| 10 | Agena , at 460 light-years , is over 10000 times as luminous as the Sun . |
| 11 | It is 68 light-years away , and 60 times as luminous as the Sun . |
| 12 | Alpha is an M-type giant , 120 times as luminous as the Sun . |
| 13 | The distance has been given as 4500 light-years , but may be as much as 7000 , in which case it must be more than a million times as luminous as the Sun . |
| 14 | However , it is worth noting that Sigma ( 4.7 ) , between Delta and Epsilon and in the same field with Epsilon , is one of the nearer stars , only 19 light-years away and only about a third as luminous as the Sun . |
| 15 | It is bluish-white , and 780 times as luminous as the Sun ; its distance is 85 light-years . |
| 16 | It is a huge red supergiant , 218 light-years away and over 700 times as luminous as the Sun . |
| 17 | It is well over 1000 light-years away , and it is at least 500 times as luminous as the Sun , but its surface is very cool for a normal star — hence the crimson colour . |
| 18 | Beta has a B8-type spectrum , and is about 100 times as luminous as the Sun ; it is often said to be the only naked-eye star which is greenish in colour , though I have never noted this either with or without optical aid , and to me Beta always looks white . |
| 19 | It is 26 light-years away and 52 times as luminous as the Sun ; it is certainly the bluest of the brilliant stars . |
| 20 | It is almost one degree away from the polar point ; it is 120 light-years away and only about six times as luminous as the Sun , so that it is by no means the equal of the northern hemisphere 's Polaris . |
| 21 | It is reddish , with a K-type spectrum , and has been strongly suspected of variability ; it is over 500 light-years away , and 5000 times as luminous as the Sun . |
| 22 | Mirphak is an F5-type giant , 620 light-years away and 6000 times as luminous as the Sun . |
| 23 | Fomalhaut is a pure white star , 13 times as luminous as the Sun and 22 light-years away ; in 1983 the IRAS satellite found that it is associated with cool material which may be planet-forming . |
| 24 | Iota¹ ; may look unspectacular , but it is immensely powerful , and may be more than 150000 times as luminous as the Sun . |
| 25 | The star seems to be oscillating in at least two superimposed periods , and at its peak it must be at least 8000 times as luminous as the Sun . |
| 26 | It is 65 light-years away , and 100 times as luminous as the Sun , and with its K-type spectrum its colour is striking in binoculars . |
| 27 | Al Nath is a bluish-white star , almost 500 times as luminous as the Sun . |
| 28 | Polaris , magnitude 2.0 ( very slightly variable ) is 680 light-years away and 6000 times as luminous as the Sun . |
| 29 | Lambda is a red K-type star over 5000 times as luminous as the Sun ; binoculars show the colour well . |
| 30 | Spica , over 2000 times as luminous as the Sun , is bluish-white . |