Tech Briefs Magazine - November 2021 - 20

:
Astronauts
on Board
W
20
Cov
ith Artemis II - the first
crewed flight of SLS and
Orion - four astronauts
will travel to the lunar
environment in 2024.
The Artemis II crew will have an approximate
10-day mission where they will set a
record for the farthest human travel
(4,600 miles) beyond the far side of the
Moon in a hybrid free-return trajectory.
The spacecraft will make two orbits
around Earth before committing to the
trip to the Moon. After reaching high
Earth orbit (HEO), Orion will separate
from the interim cryogenic propulsion
stage (ICPS) and the expended stage will
have one final use before it is disposed
through Earth's atmosphere: the crew will
use it as a target for a proximity operations
demonstration. In this demonstration, the
astronauts will pilot Orion's flight path
and orientation in manual mode.
Should Orion's radiation
detector sound, the crew
could use stowage bags
onboard that will contain
supplies, food, and
water - in combination
with Orion's seats - to
create a shelter in which
they could stay for as long
as 24 hours.
The demonstration will provide performance
data and operational experience
that cannot be readily gained on
the ground in preparation for critical
rendezvous, proximity operations, docking,
and undocking operations beginning
on Artemis III.
Checking Critical Systems
While still close to Earth, the crew will
assess the performance of the life support
systems necessary to generate breathable
air and remove the carbon dioxide and
water vapor produced when the astronauts
breathe, talk, or exercise. The long orbital
period around Earth provides an opportunity
to test the systems during exercise
periods, where the crew's metabolic rate is
the highest, and a sleep period, where the
crew's metabolic rate is the lowest.
A change between the suit mode and
cabin mode in the life support system,
www.techbriefs.com
ToC
as well as performance of the system
during exercise and sleep periods, will
confirm the full range of life support
system capabilities and ensure readiness
for the lunar flyby portion of the mission.
Orion will also check out the communication
and navigation systems to
confirm they are ready for the trip to the
Moon.
While still in elliptical orbit around
Earth, Orion will briefly fly beyond the
range of GPS satellites to allow an early
checkout of NASA's Deep Space Net -
work communication and navigation
capabilities. When Orion travels out to
and around the Moon, mission control
will depend on the Deep Space Network
to communicate with the astronauts,
send imagery to Earth, and command
the spacecraft.
On the remainder of the trip, astronauts
will continue to evaluate the spaceTech
Briefs, November 2021

http://www.techbriefs.com http://info.hotims.com/79419-902

Tech Briefs Magazine - November 2021

Table of Contents for the Digital Edition of Tech Briefs Magazine - November 2021

Tech Briefs Magazine - November 2021 - Intro
Tech Briefs Magazine - November 2021 - Sponsor
Tech Briefs Magazine - November 2021 - Cov1
Tech Briefs Magazine - November 2021 - Cov2
Tech Briefs Magazine - November 2021 - 1
Tech Briefs Magazine - November 2021 - 2
Tech Briefs Magazine - November 2021 - 3
Tech Briefs Magazine - November 2021 - 4
Tech Briefs Magazine - November 2021 - 5
Tech Briefs Magazine - November 2021 - 6
Tech Briefs Magazine - November 2021 - 7
Tech Briefs Magazine - November 2021 - 8
Tech Briefs Magazine - November 2021 - 9
Tech Briefs Magazine - November 2021 - 10
Tech Briefs Magazine - November 2021 - 11
Tech Briefs Magazine - November 2021 - 12
Tech Briefs Magazine - November 2021 - 13
Tech Briefs Magazine - November 2021 - 14
Tech Briefs Magazine - November 2021 - 15
Tech Briefs Magazine - November 2021 - 16
Tech Briefs Magazine - November 2021 - 17
Tech Briefs Magazine - November 2021 - 18
Tech Briefs Magazine - November 2021 - 19
Tech Briefs Magazine - November 2021 - 20
Tech Briefs Magazine - November 2021 - 21
Tech Briefs Magazine - November 2021 - 22
Tech Briefs Magazine - November 2021 - 23
Tech Briefs Magazine - November 2021 - 24
Tech Briefs Magazine - November 2021 - 25
Tech Briefs Magazine - November 2021 - 26
Tech Briefs Magazine - November 2021 - 27
Tech Briefs Magazine - November 2021 - 28
Tech Briefs Magazine - November 2021 - 29
Tech Briefs Magazine - November 2021 - 30
Tech Briefs Magazine - November 2021 - 31
Tech Briefs Magazine - November 2021 - 32
Tech Briefs Magazine - November 2021 - 33
Tech Briefs Magazine - November 2021 - 34
Tech Briefs Magazine - November 2021 - 35
Tech Briefs Magazine - November 2021 - 36
Tech Briefs Magazine - November 2021 - 37
Tech Briefs Magazine - November 2021 - 38
Tech Briefs Magazine - November 2021 - 39
Tech Briefs Magazine - November 2021 - 40
Tech Briefs Magazine - November 2021 - 41
Tech Briefs Magazine - November 2021 - 42
Tech Briefs Magazine - November 2021 - 43
Tech Briefs Magazine - November 2021 - 44
Tech Briefs Magazine - November 2021 - 45
Tech Briefs Magazine - November 2021 - 46
Tech Briefs Magazine - November 2021 - 47
Tech Briefs Magazine - November 2021 - 48
Tech Briefs Magazine - November 2021 - 49
Tech Briefs Magazine - November 2021 - 50
Tech Briefs Magazine - November 2021 - 51
Tech Briefs Magazine - November 2021 - 52
Tech Briefs Magazine - November 2021 - 53
Tech Briefs Magazine - November 2021 - 54
Tech Briefs Magazine - November 2021 - 55
Tech Briefs Magazine - November 2021 - 56
Tech Briefs Magazine - November 2021 - 57
Tech Briefs Magazine - November 2021 - 58
Tech Briefs Magazine - November 2021 - 59
Tech Briefs Magazine - November 2021 - 60
Tech Briefs Magazine - November 2021 - 61
Tech Briefs Magazine - November 2021 - 62
Tech Briefs Magazine - November 2021 - 63
Tech Briefs Magazine - November 2021 - 64
Tech Briefs Magazine - November 2021 - Cov3
Tech Briefs Magazine - November 2021 - Cov4
Tech Briefs Magazine - November 2021 - PIT-Cov1
Tech Briefs Magazine - November 2021 - PIT-Cov2
Tech Briefs Magazine - November 2021 - PIT-1
Tech Briefs Magazine - November 2021 - PIT-2
Tech Briefs Magazine - November 2021 - PIT-3
Tech Briefs Magazine - November 2021 - PIT-4
Tech Briefs Magazine - November 2021 - PIT-5
Tech Briefs Magazine - November 2021 - PIT-6
Tech Briefs Magazine - November 2021 - PIT-7
Tech Briefs Magazine - November 2021 - PIT-8
Tech Briefs Magazine - November 2021 - PIT-9
Tech Briefs Magazine - November 2021 - PIT-10
Tech Briefs Magazine - November 2021 - PIT-11
Tech Briefs Magazine - November 2021 - PIT-12
Tech Briefs Magazine - November 2021 - PIT-13
Tech Briefs Magazine - November 2021 - PIT-14
Tech Briefs Magazine - November 2021 - PIT-15
Tech Briefs Magazine - November 2021 - PIT-16
Tech Briefs Magazine - November 2021 - PIT-17
Tech Briefs Magazine - November 2021 - PIT-18
Tech Briefs Magazine - November 2021 - PIT-19
Tech Briefs Magazine - November 2021 - PIT-20
Tech Briefs Magazine - November 2021 - PIT-21
Tech Briefs Magazine - November 2021 - PIT-22
Tech Briefs Magazine - November 2021 - PIT-23
Tech Briefs Magazine - November 2021 - PIT-24
Tech Briefs Magazine - November 2021 - PIT-25
Tech Briefs Magazine - November 2021 - PIT-26
Tech Briefs Magazine - November 2021 - PIT-27
Tech Briefs Magazine - November 2021 - PIT-28
Tech Briefs Magazine - November 2021 - PIT-29
Tech Briefs Magazine - November 2021 - PIT-30
Tech Briefs Magazine - November 2021 - PIT-31
Tech Briefs Magazine - November 2021 - PIT-32
Tech Briefs Magazine - November 2021 - PIT-33
Tech Briefs Magazine - November 2021 - PIT-34
Tech Briefs Magazine - November 2021 - PIT-35
Tech Briefs Magazine - November 2021 - PIT-36
Tech Briefs Magazine - November 2021 - PIT-37
Tech Briefs Magazine - November 2021 - PIT-38
Tech Briefs Magazine - November 2021 - PIT-39
Tech Briefs Magazine - November 2021 - PIT-40
Tech Briefs Magazine - November 2021 - PIT-Cov3
Tech Briefs Magazine - November 2021 - PIT-Cov4
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