northjerseypi1770 northjerseypi1770
  • 21-12-2022
  • Physics
contestada

describe how the 21-cm line of hydrogen is formed. why is this line such an essential tool for understanding the interstellar medium?.

Respuesta :

Otras preguntas

What events caused the Great Depression in order
If the second and fifth term of a GP are 8 and 512 respectively. Find the value of a and r
Uno menos el cociente de uno y un número x
Help pls ASAP!!!!!!!!!!!!!!!!!
Factor the following: 16x2y2−81 options: (4x2y2−9)2 (4xy−9)(4xy+9) (4x2y2−9)(4x2y2+9) (4xy−9)2 (4x2y−9)(4x2y+9)
Math. Find the angle
Combine like terms: –10.9p + 3.9 = –9.18 Apply the next steps to solve the equation. What is the solution?
Suppose a spherical asteroid has a radius of approximately 9.0 x 102 m. Use the formula 4/3 pie r ^3to find the approximate volume of the asteroid.
The measures of the angles of A ABC are given by the expressions in the table. Angle Measure (6 - 1) 20° (x + 14) What are the measures of angles A and C? Enter
Analysis of the second swab has confirmed that the causative organism is Streptococcus pyogenes, a gram-positive organism. Imagine that you are the technician l