A new app from NASA, named NASA Selfies, lets you snap a shot of yourself to overlay on a choice of backgrounds, ranging from the Orion Nebula to the Milky Way.
美国航空航天局近日（NASA）推出了一款名为NASA Selfies的新应用，用户可以自拍一张照片，叠加在猎户座星云、银河系等可供选择的背景之上。
The NASA Selfies app lets you place your face, or that of your pet, into a spacesuit with a backdrop of stunning images taken by the Spitzer Space Telescope of the last 15 years.
该应用允许用户将自己的脸或者宠物的脸P到以斯皮策太空望远镜过去15年拍摄的炫酷图片为背景的宇航服上。
You can then share the image from your camera gallery or within the app to use #NASASelfie. The app is available on iOS and Android now.
然后你可以使用#NASASelfie，从你的照片库或者该应用程序中分享这张图片。这款应用目前已经可以在iOS和Android上使用了。

A second new app from NASA, called NASA's Exoplanet Excursions VR, lets you take a virtual reality (VR) tour of the TRAPPIST-1 planetary system using Oculus, Vive and smartphone VR, as well as via YouTube 360.
NASA推出的另一款新应用名为NASA's Exoplanet Excursions VR，用户可使用Oculus、Vive、智能手机VR以及YouTube 360对TRAPPIST-1行星系进行虚拟现实游览。
TRAPPIST-1 is the only known exoplanet system to host seven roughly Earth-sized planets.
TRAPPIST-1是唯一已知的拥有7颗大小都类似地球的行星的恒星系统。
Both of these apps were created to celebrate the 15th anniversary of the launch of NASA's Spitzer Space Telescope.
这两款应用都是为了庆祝斯皮策太空望远镜发射15周年而开发的。