Perihelion is the closest point in orbit to the Sun Earth's closest approach to the Sun this year was January 4, 16:17 (UTC). On this day, the image captured from Sydney using a telescope and H-alpha filter has been posted.
We all have an answer to the question of who was the first woman in space. Valentina Tereshkova. On June 16, 1963, the Vostok 6 spacecraft made that trip. But it took 20 years for a second woman to reach...
During the mainstream phase of stellar evolution, the outer layers expand and the core shrinks as the stars become red giants. Externally expanding outer layers are separated from the star by various actions. This part of the planet is called...
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