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A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. [1] [2] In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle.
An asteroid capable of flattening a mid-sized city could potentially collide with Earth eight years from now, as its orbit around the sun briefly intersects the path of our planet. Named 2024 YR4 ...
Made a closest approach of 1,950 kilometres (1,210 mi) on 18 September, and circled the Moon before returning to Earth. Landed in the Indian Ocean on 21 September at 16:08 UTC, becoming the first Lunar spacecraft to be recovered successfully and carried the first Earth life to travel to and around the Moon. [64] 63: Zond 6 (7K-L1 No.12L) Zond 6
“Close,” in the space world, is a relative term. At its nearest, Apophis will pass roughly 19,000 miles (31,000 kilometers) above Earth’s surface. That's about one-10th the distance to the moon.
Periscope was an American live video streaming app for Android and iOS developed by Kayvon Beykpour and Joe Bernstein and acquired by Twitter, Inc. before its launch in March 2015. The service was discontinued on 31 March 2021 due to declining usage, product realignment, and high maintenance costs.
Firefly's Blue Ghost lunar lander stands more than 6 feet tall and nearly 12 feet wide. Powered by three solar panels, the spacecraft is designed to stick the landing when it makes it to the moon ...
On March 26, 2019, Vice President Mike Pence announced that NASA's Moon landing goal would be accelerated by four years with a planned landing in 2024. [29] On May 16, 2019, NASA Administrator Jim Bridenstine announced that the new program would be named Artemis, after the goddess of the Moon in Greek mythology who is the twin sister of Apollo.
Humans landed on the moon during NASA’s Apollo program in the late 1960s and 1970s using computers that had far less processing power than today’s smartphones. Still, even five decades later ...