What elements make up the Object X, based on the spectrum given above? Select all that apply.

1.Question 1

The emission spectrum of Object X is shown below:

On the other hand, the emission spectra of hydrogen, helium, oxygen, calcium and sodium are given below:

(Image Credit: NASA)

What elements make up the Object X, based on the spectrum given above? Select all that apply.

Hydrogen and sodium

Comments

Post a Comment

Popular posts from this blog

top 55 celebs boobs

Image
1. Jennifer Love Hewitt 2. Scarlett Johansson 3. Jennifer Connelly 4. Halle Berry 5. Salma Hayek 6. Laetitia Casta 7. Paz Vega 8. Penelope Cruz 9. Claudia Schiffer 10. Estella Warren 11. Heidi Klum 12. Jennifer Tilly 13. Monica Bellucci 14. Ludivine Sagnier 15. Heather Graham 16. Winona Ryder 17. Anne Hathaway 18. Charlize Theron 19. Katherine Heigl 20. Carla Gugino 21. Shania Twain 22. Marla Sokoloff 23. Keeley Hazell 24. Kelly Brook 25. Charlotte Church 26. Leelee Sobieski 27. Laura Harring 28. Elisha Cuthbert 29. Jessica Simpson 30. Elisabeth Shue 31. Katharine McPhee 32. Kristin Davis 33. Lacey Chabert 34. Mandy Moore 35. Catherine Bell 36. Natasha Henstridge 37. Jessica Alba 38. Elizabeth Hurley 39. Raven Symone 40. Christina Milian 41. Anna Kournikova 42. Shakira 43. Maria Menounos 44. Eva Mendes 45. Rosario Dawson 46. Rose McGowan 47. Jaime King 48. Rachel Blanchard 49. Amy Smart 50
Read more

Scarlett Johansson has been crowned as the sexiest woman

Image
Scarlett Johansson has been crowned as the sexiest woman in the world by readers of men's magazine FHM. The "Match Point" star jumped eight places from her No. 9 spot last year in the magazine's "100 Sexiest Women in the World" poll. Scarlett Johansson "One of the best things for a woman to hear is that she is sexy. I'd like to thank FHM's readers for the huge compliment," Scarlett said in a statement. Last year's winner Angelina Jolie is down one spot to second place, followed by "Into the Blue" star Jessica Alba who came in third. The magazine's Editor in chief said, "It's remarkable how Scarlett Johansson has caught the attention of our readers. Her sultry voice and striking beauty certainly have a lot to do with that, but so does the confidence she exudes." Rounding out the Top 10 are "The Dukes of Hazzard" star Jessica Simpson, British beauty Keira Knightley, "Catwoman"
Read more