Highlights
Exploding Stars Turn Red
Ken Croswell, Ph.D
Science & Nature
V838 Monocerotis, red a, star, explode, martian
HL
956
B2
English
9781683291886
When a white dwarf stars goes around another star, its gravity pulls gas off the other star—and explodes! Then it shines 10,000 times brighter than other stars. Learn other cool facts about red novae.
Word lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Coverage |
|---|---|---|
| Eiken Grade 1 | 3,105 | 0.13% |
| Eiken Grade 2 | 866 | 0.58% |
| Eiken Grade 3 | 900 | 8% |
| Eiken Grade 4 | 600 | 12.83% |
| Eiken Grade 5 | 600 | 14.5% |
| Eiken Grade Pre1 | 2,868 | 0.42% |
| Eiken Grade Pre2 | 1,327 | 2.03% |
| Eiken Grade Pre2+ | 1,562 | 2.11% |
| NDL | 875 | 18.74% |
| NGSL 1 to 1,000 | 1,000 | 16.8% |
| NGSL 1,001 to 2,000 | 1,000 | 3.8% |
| NGSL 2,001 to 3,000 | 801 | 1.75% |
| NGSL Supplemental | 52 | 9.62% |
Grammar lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Unique | Coverage | Unique |
|---|---|---|---|---|
| Eiken Grade Pre1 | 94 | 94 | 0% | 0% |
| Eiken Grade 2 | 123 | 122 | 0% | 0% |
| Eiken Grade Pre2 | 111 | 108 | 0% | 0% |
| Eiken Grade 3 | 48 | 47 | 0% | 0% |
| Eiken Grade 4 | 52 | 49 | 0% | 0% |
| Eiken Grade 5 | 176 | 139 | 0% | 0% |
| A1 | 352 | 316 | 0% | 0% |
| A2 | 949 | 893 | 0% | 0% |
| B1 | 1,126 | 1,106 | 0% | 0% |
| B2 | 775 | 760 | 0% | 0% |
| C1 | 402 | 395 | 0% | 0% |
| C2 | 312 | 308 | 0% | 0% |