WEBVTT

1
00:00:03.439 --> 00:00:08.880
Welcome to Bedtime Astronomy. Explore the
wonders of the cosmos with our soothing Bedtime

2
00:00:08.880 --> 00:00:14.560
Astronomy podcast. Each episode offers a
gentle journey through the stars, planets,

3
00:00:14.800 --> 00:00:19.800
and beyond, perfect for unwinding after
a long day. Let's travel through the

4
00:00:19.800 --> 00:00:23.519
mysteries of the universe as you drift
off into a peaceful slumber under the night

5
00:00:23.519 --> 00:00:36.320
sky. Baby Colombo, a technological
marvel, tackles Mercury's inferno. Named in

6
00:00:36.399 --> 00:00:43.039
honor of Giuseppe baby Colombo, a
mathematician and engineer who had a profound impact

7
00:00:43.159 --> 00:00:48.920
on the exploration of Mercury. The
mission seeks to unravel the mysteries of the

8
00:00:49.000 --> 00:00:56.840
Solar System's innermost planet. The vision
for Bapy Colombo began as an ambition to

9
00:00:56.960 --> 00:01:04.319
build upon the discoveries of previous mission. Like Mariner ten and Messenger, scientists

10
00:01:04.439 --> 00:01:11.560
wanted to probe deeper into Mercury's secrets, from its magnetic field to its surface

11
00:01:11.640 --> 00:01:19.959
composition. This mission is a collaborative
effort between the European Space Agency ESA and

12
00:01:21.040 --> 00:01:30.000
the japan Aerospace Exploration Agency JACKSA.
It showcases international cooperation in the pursuit of

13
00:01:30.159 --> 00:01:40.120
knowledge and exploration. After years of
development. Bp Colombo launched aboard an Arianne

14
00:01:40.120 --> 00:01:48.319
five rocket from the Guyana Space Center
on October twentieth, twenty eighteen. This

15
00:01:48.560 --> 00:01:53.079
event marked the beginning of a complex
journey through the Inner Solar System, one

16
00:01:53.120 --> 00:02:05.760
that would take seven years to complete. Navigating the Inner Solar System, BAPY

17
00:02:05.799 --> 00:02:15.199
Columbo's journey to Mercury is a masterclass
in celestial mechanics and spacecraft navigation. The

18
00:02:15.319 --> 00:02:23.039
spacecraft must undertake a series of flybys
and maneuvers to reach its target. The

19
00:02:23.159 --> 00:02:30.120
mission utilizes the gravity of other planets
to alter its trajectory and speed. This

20
00:02:30.280 --> 00:02:38.800
technique, known as a gravitational assist
or slingshot maneuver, is essential for directing

21
00:02:38.879 --> 00:02:46.319
BAPY Colombo towards Mercury. The first
major maneuver was a flyby of Earth,

22
00:02:46.919 --> 00:02:55.199
which occurred approximately one and a half
years after launch. This maneuver adjusted the

23
00:02:55.280 --> 00:03:06.680
spacecraft's trajectory and provided a boost in
space beat. Subsequent flybys of Venus further

24
00:03:06.879 --> 00:03:15.800
refined BAPY Columbo's path. These encounters
also offered unique opportunities to study Venus' atmosphere

25
00:03:15.960 --> 00:03:25.719
and magnetic environment, contributing valuable data
to our understanding of our sister planet.

26
00:03:27.199 --> 00:03:36.560
The dual spacecraft BAPY Colombo is unique
in that it consists of two separate orbiters,

27
00:03:37.280 --> 00:03:46.560
each with a distinct set of scientific
instruments and objectives. The Mercury Planetary

28
00:03:46.759 --> 00:03:53.919
Orbiter MPO. The MPO is equipped
with eleven scientific instruments, including cameras,

29
00:03:54.680 --> 00:04:03.240
spectrometers, and a laser altimeter.
Its primary role is to map Mercury's surface,

30
00:04:04.000 --> 00:04:15.879
analyze its composition, and investigate its
geological history. The Mercury Magnetospheric Orbiter

31
00:04:15.199 --> 00:04:21.079
MIO. The MIO carries five instruments
suites with a total of twelve instruments.

32
00:04:24.120 --> 00:04:30.160
It is designed to study Mercury's magnetosphere, the region of space dominated by Mercury's

33
00:04:30.240 --> 00:04:40.360
magnetic field. Understanding this environment is
crucial for learning how Mercury interacts with solar

34
00:04:40.439 --> 00:04:48.279
wind and the interplanetary magnetic field.
Both orbiters are traveling together, attached to

35
00:04:48.360 --> 00:04:59.360
the Mercury Transfer Module MTM, which
provides solar electric propulsion. This innovative propulsion

36
00:04:59.480 --> 00:05:04.959
system is more efficient than traditional chemical
rockets, making it possible to carry the

37
00:05:05.079 --> 00:05:17.319
orbiters across the vast distance to Mercury. Engineering for the extremes, the BAPY

38
00:05:17.399 --> 00:05:26.199
Columbo missions engineering is a marvel of
modern space technology designed to withstand the severe

39
00:05:26.240 --> 00:05:36.600
conditions of Mercury's proximity to the Sun. Mercury experiences extreme temperatures, and Bapy

40
00:05:36.639 --> 00:05:45.000
Columbo's orbiters must operate in an environment
where daytime surface temperatures can soar above four

41
00:05:45.079 --> 00:05:53.199
hundred degrees celsius. To combat this, the spacecraft are equipped with a highly

42
00:05:53.279 --> 00:06:00.720
reflective, multi layered insulation blanket,
which acts like a thermal shield. Despite

43
00:06:00.759 --> 00:06:06.160
the scorching heat, parts of the
spacecraft must be kept at room temperature.

44
00:06:09.160 --> 00:06:15.680
The Mercury planetary orbiter uses a radiator
that faces away from the Sun and Mercury,

45
00:06:15.399 --> 00:06:24.399
dispersing heat into space. This passive
cooling system is supplemented by a novel

46
00:06:24.519 --> 00:06:30.360
active cooling system that uses a heat
pipe network and a fluid loop to transfer

47
00:06:30.519 --> 00:06:38.279
heat from the instruments to the radiator. The spacecraft's solar panels are another feet

48
00:06:38.319 --> 00:06:44.680
of engineering. They are designed tilt
to limit their exposure to the Sun,

49
00:06:45.360 --> 00:06:53.879
reducing the risk of overheating, while
still generating enough power to operate the spacecraft.

50
00:06:55.199 --> 00:07:05.000
Unveiling Mercury's mysteries. Bapy Columbo's scientific
objectives are ambitious, aiming to provide

51
00:07:05.079 --> 00:07:15.199
answers to longstanding questions about Mercury.
The Mercury Planetary Orbiter's instruments will map the

52
00:07:15.279 --> 00:07:25.319
planet's surface in high resolution, identifying
its mineralogical and elemental composition. This data

53
00:07:25.399 --> 00:07:31.360
will help scientists understand the planet's geological
history and the processes that shape its surface.

54
00:07:33.480 --> 00:07:39.120
One of the mission's key objectives is
to determine the size and state of

55
00:07:39.240 --> 00:07:47.120
Mercury's core. The orbiter's instruments will
measure the planet's gravitational field and its rotational

56
00:07:47.240 --> 00:07:58.839
dynamics, providing clues about the core
structure. Mercury's magnetic field is a puzzle.

57
00:08:00.959 --> 00:08:07.079
Unlike Venus, Earth, and Mars, Mercury has a significant magnetic field,

58
00:08:07.680 --> 00:08:15.439
which suggests it has an active dynamo
in its core. BAP Colombo will

59
00:08:15.519 --> 00:08:22.160
study this magnetic field in detail,
offering insights into its origin and variation.

60
00:08:24.519 --> 00:08:35.279
The crucial flybys. The flybys of
Earth and Venus were not just navigational necessities,

61
00:08:35.000 --> 00:08:43.039
They were also valuable scientific opportunities.
The Earth flyby allowed the mission team

62
00:08:43.159 --> 00:08:52.360
to calibrate instruments and test systems while
still relatively close to home. It also

63
00:08:52.519 --> 00:08:58.600
provided a chance to capture images of
Earth, serving as both a scientific and

64
00:08:58.720 --> 00:09:09.360
public engagement opportunity. The two flybys
of Venus were particularly significant. They allowed

65
00:09:09.440 --> 00:09:16.679
scientists to study Venus' atmosphere and ionosphere, complementing data from other missions like ESA's

66
00:09:16.799 --> 00:09:26.600
Venus Express. These flybys also provided
a rare opportunity to study the interaction between

67
00:09:26.600 --> 00:09:35.159
the solar wind and Venus's magnetic environment. These flybys demonstrate the mission's broader scientific

68
00:09:35.320 --> 00:09:43.240
value. By collecting data on other
planets en route to Mercury, BP Colombo

69
00:09:43.480 --> 00:09:52.320
enhances our understanding of the inner Solar
System as a whole. As bapy Colombo

70
00:09:52.480 --> 00:09:58.879
approaches its target, a series of
intricate flybys of Mercury itself are critical to

71
00:10:00.080 --> 00:10:07.799
the mission's success. Each flyby is
carefully calculated to adjust the spacecraft speed in

72
00:10:07.919 --> 00:10:16.120
trajectory, using Mercury's gravity to draw
it closer into a stable orbit. These

73
00:10:16.200 --> 00:10:24.120
maneuvers are essential as they allow the
spacecraft to shed the velocity again while falling

74
00:10:24.159 --> 00:10:33.720
into the Sun's deep gravitational well.
While primarily a navigational tool, each flyby

75
00:10:33.919 --> 00:10:43.519
also presents a fleeting chance to gather
data. Instruments are briefly trained on Mercury,

76
00:10:43.559 --> 00:10:48.919
capturing images and measurements that provide a
tantalizing preview of the comprehensive research to

77
00:10:50.039 --> 00:11:00.639
come. The flybys generate excitement among
the public and scientific community alike. Images

78
00:11:00.679 --> 00:11:07.039
and data are shared with the world, showcasing the mission's progress and Mercury's alien

79
00:11:07.159 --> 00:11:20.320
landscapes. Orbiting the enigmatic Mercury,
after a complex journey, BP Colombo will

80
00:11:20.360 --> 00:11:26.200
finally settle into its dedicated orbits around
Mercury, marking the start of an unprecedented

81
00:11:26.279 --> 00:11:35.440
exploration campaign. The two orbiters will
separate, each entering a distinct orbit optimized

82
00:11:35.559 --> 00:11:43.600
for its scientific objectives. The MPO
will take a low polar orbit to map

83
00:11:43.639 --> 00:11:50.720
the planet's surface, while the MEAL
will occupy a highly elliptical orbit to study

84
00:11:50.759 --> 00:11:58.879
the magnetosphere. In these orbits,
the spacecraft will operate autonomously, conducting a

85
00:11:58.879 --> 00:12:07.039
battery of experiments. The MPO's cameras
will chart the planet's craters and planes,

86
00:12:07.720 --> 00:12:18.960
while its spectrometers will analyze the surface
composition. Simultaneously, bmo's sensors will monitor

87
00:12:18.000 --> 00:12:26.840
the magnetic field and particle environment.
Operating in Mercury's orbit presents unique challenges.

88
00:12:28.879 --> 00:12:39.360
The spacecraft must endure extreme temperature fluctuations
and radiation levels requiring autonomous systems to manage

89
00:12:39.399 --> 00:12:50.080
their health and safety. The legacy
of BAPY Colombo, the BAPY Columbo mission

90
00:12:50.240 --> 00:13:00.759
is set to leave an indelible mark
on planetary science and space exploration. The

91
00:13:00.879 --> 00:13:07.600
data returned by BAPY Colombo will fill
gaps in our understanding of Mercury in by

92
00:13:07.720 --> 00:13:15.720
extension, the formation of a solar
system. It will provide a deeper understanding

93
00:13:15.879 --> 00:13:26.440
of planetary magnetism, geology, and
atmospheric phenomena. The mission demonstrates the capabilities

94
00:13:26.480 --> 00:13:35.559
of modern space exploration technology. The
innovations developed for BAPY Colombo will inform the

95
00:13:35.600 --> 00:13:43.360
design of future missions to other planets
and moons. Beyond its scientific and technological

96
00:13:43.399 --> 00:13:52.519
achievements, BAPY Columbo serves as an
inspiration. It shows what can be accomplished

97
00:13:52.559 --> 00:14:07.600
through international cooperation and human ingenuity inspired
by BAPY Colombo. As BAPY Colombo conducts

98
00:14:07.600 --> 00:14:13.799
its science above Mercury, it also
points the way forward for future explorations.

99
00:14:15.840 --> 00:14:22.639
The mission will likely inspire subsequent missions
to Mercury and other challenging destinations in the

100
00:14:22.759 --> 00:14:28.720
Solar System. The lessons learned will
pave the way for more ambitious projects,

101
00:14:30.440 --> 00:14:37.759
perhaps even crude missions to Mars and
beyond. Even as BAPY Columbo's mission progresses,

102
00:14:39.559 --> 00:14:46.960
scientists and engineers are already dreaming of
the next frontiers. The data and

103
00:14:46.120 --> 00:14:54.000
experience gain will be the foundation upon
which new missions are built, continuing humanity's

104
00:14:54.080 --> 00:15:01.360
quest to explore the unknown. Long
after its mission ends, BP Columbo's legacy

105
00:15:01.440 --> 00:15:07.679
will live on in the data it
provides, the questions and answers, and

106
00:15:07.759 --> 00:16:26.559
the new mysteries that uncovers about our
smallest planetary neighbor, Fa

