去不了外太空，还能拍出置身于太空美景的自拍照?这不是梦，而是美国宇航局新推出的太空自拍APP，让普通人也能过一把宇航员的瘾。
Let's face it. Most of us are never going to go to space. And none of us are going to visit the Orion Nebula. But we can dream - and now thanks to NASA, we can selfie our way into some of the most spectacular scenery in the Milky Way.
面对现实吧。我们大多数人永远不可能去太空，也不可能去猎户座星云一游。但我们可以做去太空的梦——如今，拜美国宇航局所赐，我们可以通过自拍，置身于银河最壮观的一些景色中。
To celebrate the 15th anniversary of the launch of the Spitzer Space Telescope, NASA has released a delightful NASA Selfies app for iOS and Android phones.
为了庆祝斯皮策太空望远镜发射15周年，美国宇航局发布了一款好玩的太空自拍APP，适用于苹果和安卓手机。
It's very simple. You snap a pic of your face (or someone else's face) centred in the frame, using the front or rear camera, and it's inserted into the helmet of an astronaut suit.
这款APP操作起来十分简单。你只需用手机的前置或后置摄像头拍一张自己或他人的大头照，然后你的头像就会被嵌入航天服的头盔当中。
You can then choose a background of some of the many space wonders imaged by Spitzer over the last 15 years, and save it to your phone.
斯皮策太空望远镜在过去15年间拍摄了众多太空奇观，你可以从若干张太空奇观图片中选一张作为背景，然后保存到自己的手机里。
You can't upload previous photos from your photo gallery, and there's no share button, so you'll have to share your photos to the #NASASelfie hashtag the good old-fashioned way - by going to your camera roll and sharing from there.
你不能从自己的图片库中上传先前的照片，而且没有分享按钮，所以你必须用传统方法将照片分享到#美国宇航局自拍这个话题标签下，也就是从手机相册中选取照片分享。
Also, just a heads up, it only orients correctly in landscape, so if you take a photo holding your phone in portrait orientation, you're going to end up looking like a severed head floating in a spacesuit.
另外，再提醒一句，你的头像照片只有在风光模式下拍摄才能准确嵌入航天服，所以如果你是在人像模式下拍摄，你的头像可能会“浮”在航天服上。现在就可以免费下载应用NASA Selfies，成为一名“宇航员”。
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