starman2

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    starman2 replied to the thread A 'giant' rising in the desert: World's largest telescope comes together (photo).

    I adjusted my viewpoint. Although the ELT is not completed yet, it is obviously a catadioptric design. For a reflector, the truss...

    Yesterday at 6:16 PM
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    starman2 replied to the thread A 'giant' rising in the desert: World's largest telescope comes together (photo).

    I wonder why it even needs a secondary mirror. At that size (14') you could easily position a human observer at the focal point of the...

    Yesterday at 5:30 PM
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    starman2 replied to the thread NASA delays Artemis 2 moon mission to April 2026, Artemis 3 lunar landing to mid-2027.

    I would think the lunar space station can always increase by adding modules. I think it should have plenty of docking ports to take in...

    Yesterday at 3:48 PM
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    starman2 replied to the thread NASA delays Artemis 2 moon mission to April 2026, Artemis 3 lunar landing to mid-2027.

    The Gateway lunar space station should be deployed as soon as possible, which could be the best way to access the Moon. If they are...

    Yesterday at 2:24 PM
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    starman2 replied to the thread Russian cargo spacecraft's 'unexpected odor' delays delivery to astronauts on ISS.

    If the odor was from 'outgassing', it could be anything newly manufactured made from plastics, even food packaging. People differ...

    Dec 2, 2024
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    starman2 replied to the thread Russian cargo spacecraft's 'unexpected odor' delays delivery to astronauts on ISS.

    I heard they activated routine air-scrubbing and the odor subsided. They said it was from outgassing of materials onboard the cargo...

    Nov 26, 2024
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    starman2 replied to the thread Japan launching spy satellite on penultimate mission of H-2A rocket early Sept. 26.

    I wonder what it means when they announce launching a spy satellite. (Is it letting the cat out of the bag?) On the other hand, if...

    Sep 26, 2024
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    starman2 replied to the thread Earth will capture 'second moon' this weekend.

    From the provided video, it appears as a close flyby with the Earth, drawing it a little closer as it passes. But it won't be circling...

    Sep 26, 2024
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    starman2 replied to the thread Starliner.

    But it was only by chance that it re-entered "successfully". Not a good statement.

    Sep 25, 2024
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    starman2 replied to the thread Starliner.

    One way or another the thrusters had problems, so what is meant by the exclaim "Astronauts would have been fine on Boeing's Starliner...

    Sep 24, 2024
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    starman2 replied to the thread There was some tension in the room', NASA says of decision to bring Boeing's Starliner spacecraft home without astronauts.

    I believe the decision was correct. From the report which states the thrusters "went offline" it indicates the problem is with the...

    Sep 24, 2024
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    starman2 replied to the thread Starliner.

    It was reported that the thrusters went "off-line". That spells Single Event Upset (SEU) which is from radiation. The electronics that...

    Sep 24, 2024

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