In-space propulsion company, Impulse Space, raised $300 million in funding, following a $150 million fundraising round last year.This is one of the largest capital raises in the space industry, particularly for a non-launch company.The demand for Impulse's efficient in-space vehicles is high, prompting the company to scale up operations with the new funds.The funding will enable Impulse to invest in electric propulsion and expand its offerings for long-term growth.