How to Use "nemesis" with Example Sentences

1. He thinks nemesis is a red dwarf star 1.5 light years away .

2. We may not have an answer to the nemesis question until mid-2013 .

3. Originally , nemesis was suggested as a way to explain a cycle of mass extinctions on earth .

4. Neither kirkpatrick nor wright think nemesis is disrupting the oort cloud and sending comets towards earth , however .

5. His calculations suggest nemesis is between 3 to 5 times the mass of jupiter , rather than the 13 jupiter masses or greater that some scientists think is a necessary quality of a brown dwarf .