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Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with …732
Năm 1801 nhà khoa học người Đức Johann Wilhelm Ritter , sau khi nghe tin về sự phát hiện ra tia hồng ngoại năm 1800, đã dự đoán rằng có một loại tia nào…221
An army of high-tech telescopes, led by Hubble in space, has delivered an unprecedented chain of discoveries about how galaxies took shape, how stars live …3001
Extraordinary Islamic astronomy by 9th century Syrian astronomer Al- Battani. Through his observations from earlier Greek texts which stated that the earth was …252
The South African Astronomical Observatory is located in the western part of the Republic of South Africa on the Karoo plateau. In the midst of the complex is the …268
[removed] … Science@ESA Vodcast (Episode 3, Part 1): Exploring The Infrared Universe. In the Science@ESA series Rebecca …507