The first object in history to pass through the solar system and to be identified as originating outside the solar system was discovered in October 2017 by Canadian astronomer Robert Weryk in Hawaii. The object was named Oumuamua, which in Hawaiian means first distant messenger.
The Chinese spacecraft Chang'e-4 has been reported to have successfully landed on the farside of The Moon. Chinese state broadbaster CCTV have published an image of the moon's dark side sent back from the lander.
Heere's what Buzz Aldrin has to say about it:
Andreessen Horowitz have published a handy post listing the different types of metrics that can be used to measure network effects in software and marketplace businesses. The list progresses from the basic organic vs paid users metric up to metrics like market depth and unit economics.
This week, Virgin Galactic's SpaceShipTwo successfully reached space during a test flight that reached a maximum altitude of 82.7km above the earth. The video posted by Richard Branson on Twitter shows a view of earth from the cockpit.
Two vibration sensors on NASA's InSight Mars Lander captured a recording of vibrations caused by wind on the red planet, blowing 10 to 15 mph. This video has raised the sound of the wind by 2 octaves to make it more audible.
This week NASA successfully landed the Insight probe on the surface of Mars. Minutes after the probe landing, it sent back an image of the horizon of Mars. You can rewatch the entry, descent and landing from Insight Mission Control here.
A team of astronomers have discovered a new galaxy called ANT 2 while working through data captured by the European Space Agency's GAIA satellite. The new galaxy previously went undetected because of its low density and position behind the shroud of the Milky Way's disc.