X-rays do not pass through the Earth’s atmosphere and can only be observed from space by special satellites. The expansion of the observational window into
X-rays do not pass through the Earth’s atmosphere and can only be observed from space by special satellites. The expansion of the observational window into
On 19 and 20 May 2023 the Doors Open Days took place at the ASU Observatory in Ondřejov. Employees of the Stellar Department also participated
Visible light from a source 10 billion light years away from Earth was captured by three telescopes on the night of 19-20 June 2021. Two