An ellipsis (plural: ellipses) is a punctuation mark consisting of three dots. Use an ellipsis when omitting a word, phrase, line, paragraph, or more from a quoted passage. Ellipses save space or remove material that is less relevant. ... Although ellipses are used in many ways, the three-dot method is the simplest.
Solar technologies generate a majority of the power used during space missions, keeping life support and other vital spacecraft systems working. Solar power is so critical that NASA spends considerable time and money to make solar panels must more efficient, lightweight and affordable.
The answer is Standard English