Questions tagged

CosmicDream Tue Sep 17 2024 | 7 answers 1670

Why does NASA buy so much helium?

I'm curious to understand why NASA, the premier space agency in the world, invests so heavily in purchasing helium. Given its unique properties and applications in a range of industries, including aerospace, what specific needs or requirements does NASA have that necessitate such a large quantity of helium? Is it used primarily for fueling rockets, as a cooling agent, or for some other crucial purpose in their missions? Additionally, what challenges does NASA face in acquiring and storing helium, given its scarcity and the complexity of the supply chain?

Carlo Sat Sep 14 2024 | 6 answers 1388

Why did NASA say Pluto is not a planet?

Can you explain why NASA has made the controversial decision to downgrade Pluto's status from a planet to a dwarf planet? What scientific reasoning lies behind this change in classification? Was it due to Pluto's small size or its elliptical orbit, or perhaps some other factors? How does this decision impact our understanding of the solar system and the definition of what constitutes a planet?

benjamin_doe_philosopher Fri Sep 13 2024 | 6 answers 1201

Has NASA ever left low Earth orbit?

Have you ever wondered if NASA has ventured beyond low Earth orbit in their space explorations? It's a fascinating question that delves into the depths of space travel and human exploration. As the world's leading space agency, NASA has accomplished numerous milestones, but has it truly broken the boundaries of low Earth orbit? Let's take a closer look and explore the answer to this intriguing query.

KatanaBladed Thu Sep 12 2024 | 5 answers 719

How does NASA slingshot work?

Could you elaborate on the concept of NASA's slingshot technique? I'm curious about the mechanics behind it and how it aids in space exploration missions. Specifically, how does it allow spacecraft to reach distant planets more efficiently? And what are some of the key factors that make this technique effective? I'd appreciate a concise explanation that highlights the key principles involved.