ISS Daily Summary Report – 12/19/2018
55 Soyuz (55S) Undock and Landing: The 55S crew, Sergey Prokopev, Alexander Gerst, and Serena Auñón -Chancellor, are scheduled to return to Earth tonight. Undock is scheduled for 7:40 PM CT with landing at 11:03 PM CT. The crew is scheduled to arrive at Ellington on Friday, December 21. Bone Densitometer Calibration: The crew performed …

December 20, 2018 at 12:00AM
via Space https://ift.tt/2GKnZSH

Extraordinary Solar Halos
via NASA https://go.nasa.gov/2LtZach

#NASA日常
新视野号航天器预计在 2019 年 1 月 1 日与柯伊伯带内名为“Ultima Thule”的小行星（486958）相遇。你可以将一句问候语同你的名字发送给新视野号，为“Ultima Thule”带去问候。从地球到新视野号，你的信息预计在宇宙中以光速旅行大约 6 小时。
此活动即将截止。

提交地址：http://pluto.jhuapl.edu/Send-Greetings/

Celebrating the 50th Anniversary of Apollo 8's Launch Into History
via Space https://go.nasa.gov/2ECT2Nt

A Cold December Night
via NASA https://go.nasa.gov/2SevPVO

Earthrise: A Video Reconstruction
via NASA https://go.nasa.gov/2rSGQRc

Earthrise 1: Historic Image Remastered
via NASA https://go.nasa.gov/2BCp2hx

M100: A Grand Design Spiral Galaxy
via NASA https://go.nasa.gov/2AcD75q

NGC 6357: The Lobster Nebula
via NASA https://go.nasa.gov/2EJYLRE

The Great Carina Nebula
via NASA https://go.nasa.gov/2EQvGEi

NGC 1365: Majestic Island Universe
via NASA https://go.nasa.gov/2SlQAPi

New Horizons at Ultima Thule
via NASA https://go.nasa.gov/2QbItTP

The Galaxy Tree
via NASA https://go.nasa.gov/2LLZcwp

The Witch Head Nebula
via NASA https://go.nasa.gov/2EYholA

The Sombrero Galaxy in Infrared
via NASA https://go.nasa.gov/2SpV5Zm

The Orion Nebula in Infrared from WISE
via NASA https://go.nasa.gov/2QdYuII

Ultima and Thule
via NASA https://go.nasa.gov/2TjLMdk

via NASA https://go.nasa.gov/2R6JMIF

Yutu 2 on the Farside
via NASA https://go.nasa.gov/2QlqLgA

A Laser Strike at the Galactic Center
via NASA https://go.nasa.gov/2R8zp7e