This week, off world: Gravitational slingshots around the Sun, satellites that can use atmosphere as propellant and loads more...

  Here’s where you can donate to help Ukrainian refugees and war victims... 

...and here is (one) place you can donate to help children in Afghanistan, caught under the Taliban.

    

 Pick o' the podcasts

 

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From the video store:

Fire in space: How it evolves to survive attempts to starve it of oxygen

China's Space Plane Aims For Suborbital Tourism

Satellites That Scoop Air And Use It As Propellant

Electron launches Kinéis 1-5

Falcon 9 launches ASTRA 1P and Falcon 9 first stage landing:

Reading material:

Slingshotting Around the Sun Would Make a Spacecraft the Faster Ever - Universe Today

Pentagon picks SpaceX, Blue Origin and ULA for $5.6 billion launch deal | Space

Satellite images show N Korea building a border wall

Satellites spot the Russian fleet leaving Crimea

A satellite internet antenna small enough for backpackers