![Canadian Space Agency on Twitter: "On January 23, NASA astronauts @Astro_Sabot and @Astro_Maker will perform a spacewalk to replace one of Canadarm2's “hands.” To learn the role of Canadarm2: https://t.co/m8FHNVelYU. https://t.co/FPLNmd7IuZ" / Canadian Space Agency on Twitter: "On January 23, NASA astronauts @Astro_Sabot and @Astro_Maker will perform a spacewalk to replace one of Canadarm2's “hands.” To learn the role of Canadarm2: https://t.co/m8FHNVelYU. https://t.co/FPLNmd7IuZ" /](https://pbs.twimg.com/media/DTwGQxbVoAEiATA.jpg)
Canadian Space Agency on Twitter: "On January 23, NASA astronauts @Astro_Sabot and @Astro_Maker will perform a spacewalk to replace one of Canadarm2's “hands.” To learn the role of Canadarm2: https://t.co/m8FHNVelYU. https://t.co/FPLNmd7IuZ" /
![Hubble celebrates the spooky season with Abell 611 — a cobweb of galaxies held together by a dark secret. | sciencesprings Hubble celebrates the spooky season with Abell 611 — a cobweb of galaxies held together by a dark secret. | sciencesprings](https://cdn.spacetelescope.org/archives/images/thumb700x/heic2213a.jpg)
Hubble celebrates the spooky season with Abell 611 — a cobweb of galaxies held together by a dark secret. | sciencesprings
![Weizmann, IAI, ISA (Israel) : Next-Gen Israeli Satellite to Seek out Cosmic Explosions and Black Holes - Israël Science Info Weizmann, IAI, ISA (Israel) : Next-Gen Israeli Satellite to Seek out Cosmic Explosions and Black Holes - Israël Science Info](https://www.israelscienceinfo.com/wp-content/uploads/2019/10/satellite-ultrasat.jpg)
Weizmann, IAI, ISA (Israel) : Next-Gen Israeli Satellite to Seek out Cosmic Explosions and Black Holes - Israël Science Info
![NASA Again Delays Launch of Troubled Webb Telescope; Cost Estimate Rises to $9.7 Billion - The New York Times NASA Again Delays Launch of Troubled Webb Telescope; Cost Estimate Rises to $9.7 Billion - The New York Times](https://static01.nyt.com/images/2018/06/28/science/28WEBB/28WEBB-videoSixteenByNine3000.jpg?year=2018&h=1688&w=3000&s=a7133f9c10c77b1a4d44dbdf1dac5420a46fd8e81e4bcde6ac7ae4f5975130e1&k=ZQJBKqZ0VN&tw=1)
NASA Again Delays Launch of Troubled Webb Telescope; Cost Estimate Rises to $9.7 Billion - The New York Times
![NASA Reveals James Webb Telescope's First Cosmic Targets to Include Distant Galaxies, Nebulae, More | Technology News NASA Reveals James Webb Telescope's First Cosmic Targets to Include Distant Galaxies, Nebulae, More | Technology News](https://i.gadgets360cdn.com/large/james_webb_sun_shield_twitter_small_1640848821432.jpg)